You will design, build, and operate Backend-for-Frontend services for a modern e-banking solution, ensuring frontend applications are optimally, securely, and efficiently integrated with backend systems. Responsibilities Develop and evolve BFF services for web and mobile frontends Design and implement APIs (REST / GraphQL) Aggregate and orchestrate backend services for frontend needs Ensure performance, stability, and security to e-banking standards Work closely with frontend, backend, security, and architecture teams Code reviews and adherence to development and security guidelines Participate in agile development processes (Scrum / Kanban) Requirements 5+ years of backend development experience Solid experience with Backend-for-Frontend architectures Strong skills in API design and implementation Experience with authentication and authorization concepts Understanding of frontend technologies and their requirements Experience in security-critical systems (e-banking a plus) German-speaking Solid banking domain experience (required) What We Offer We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect: Health Insurance Allowance for peace of mind Annual Performance Bonus to reward your impact A collaborative, international work culture with opportunities for continuous learning and growth
About The Role We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions. What you’ll do Design, develop, and maintain scalable backend services that support our applications and infrastructure. Implement secure and efficient APIs to support frontend applications and third-party integrations. Optimize system performance, reliability, and scalability through effective architecture and engineering best practices. Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs. Ensure high availability, fault tolerance, and performance of backend systems. Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability. Maintain security best practices to protect user data and system integrity. Stay up to date with industry trends and emerging technologies in backend development and distributed systems. Who you are 5+ years of experience in backend development, building scalable and reliable applications. Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred. Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions. Familiarity with designing and integrating APIs, including REST and GraphQL. Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure). Experience with containerization and orchestration tools like Docker and Kubernetes. Strong problem-solving skills and the ability to optimize system performance and reliability. Excellent communication skills and the ability to work effectively in a collaborative environment. Preferred Qualifications Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.). Knowledge of caching strategies and performance optimization techniques. Experience working on large-scale, high-traffic applications. Familiarity with CI/CD pipelines and DevOps best practices. Exposure to machine learning or data-driven applications. About Character.AI Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure s. In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach. Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI! At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.*
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Software Engineer II that is passionate about our mission of Money Without Borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, data science, risk and controls, and operations to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to Transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable and contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. . Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on Instagram
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in. We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute. What We're Looking For We’re looking for a Backend Engineer to help develop and scale the Lightning AI platform, spanning APIs, infrastructure, billing, security, and integrations. In this role, you’ll take ownership of key features and drive them end-to-end, working closely with engineering, product, and design to ship high-quality, iterative improvements. This is an opportunity to build systems that support real-world machine learning workloads at scale. This role is based in one of our hubs (Seattle, NYC, SF, or London), with a minimum of 2 in-office days per week and occasional team and company offsites. We are not able to provide visa sponsorship for this position at this time. What You’ll Do Write readable/testable/efficient code in Go (Golang). Build deep expertise in our technology stack to deliver new features, improve system stability, and increase overall performance. Partner with engineering and product leaders on developing the Lightning product while using your experience to set the technical direction for large projects. Evaluate, strengthen, and document technical architecture, tools, and processes. Maintain software quality, implement automation, drive continuous delivery, and reduce time to production while proactively reducing technical debt. Mentor and coach engineers on system design, operating in high uncertainty, and problem-solving to create a supportive, inclusive environment where each engineer can grow. What You’ll Need Extensive experience writing efficient, maintainable code in Go. Familiarity with best practices in testing, readability, and optimization is essential. Broad knowledge of backend and frontend systems, with experience building and scaling APIs, CLI tools, billing systems, and security protocols. Exposure to frontend frameworks is a plus. Experience with cloud platforms like AWS, GCP, or Azure and designing systems that are reliable, performant, and scalable. Familiarity with containerization (Docker, Kubernetes) is a strong advantage. Proven ability to take ownership of key features and drive end-to-end development Commitment to software quality, test automation, and continuous delivery. Experience proactively managing technical debt and speeding up time to production. Hands-on experience as a backend or product engineer in a SaaS technology company Communication and collaboration with engineers, product managers, and designers Ability to operate in high uncertainty and rapidly changing environments Compensation We are committed to offering competitive compensation that reflects the value each team member brings to our mission. Final offers are based on factors such as experience, skills, geographic location, and role expectations. In addition to base salary, our total rewards package for eligible roles includes a discretionary bonus, a meaningful equity component, and comprehensive benefits. The anticipated annual base salary range for this role is: $180,000 - $250,000 USD Benefits And Perks We offer a comprehensive and competitive benefits package designed to support our employees’ health, well-being, and long-term success. Benefits may vary by location, team, and role. Benefits Include Comprehensive medical, dental and vision coverage (U.S.); Private medical and dental insurance (U.K.) Retirement and financial wellness support (U.S.); Pension contribution (U.K.) Generous paid time off, plus holidays Paid parental leave Professional development support Wellness and work-from-home stipends Flexible work environment At Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.*
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
Head of Backend Engineering Location: Berlin (Hybrid) Salary: Up to €120,000 + Benefits We’re working with a Berlin-based consumer entertainment platform that has become one of the leading products in its space across Europe. Following continued growth, they’re now hiring a Head of Backend Engineering to lead backend strategy, architecture, and team growth while remaining highly hands-on technically. This is a leadership role for someone who still loves engineering. You’ll own backend direction across a modern, high-scale platform while helping build a strong, product-focused engineering culture. They are especially interested in profiles with: Founding Engineer or startup leadership experience Previous experience scaling engineering teams from early stages Strong product mindset and entrepreneurial mentality Builders who have launched products or meaningful side projects Responsibilities Own backend architecture and technical direction Lead and mentor a growing backend engineering team Stay close to the codebase through design, reviews, and implementation Drive scalability, reliability, and platform performance Collaborate with Product and senior leadership on roadmap planning Improve engineering standards, delivery processes, and system design practices The stack is flexible, but strong experience in several areas is expected: Golang preferred OR Python, Node.js Distributed systems \& API architecture GCP and cloud infrastructure Microservices architecture SQL / NoSQL databases CI/CD pipelines and DevOps practices Observability and production monitoring Why This Opportunity? Chance to shape backend engineering at scale Leadership without losing hands-on technical ownership Entrepreneurial engineering culture High-autonomy environment with significant product impact Berlin hybrid working setup
About the Role We're looking for a senior engineer who doesn't just write code - they own outcomes. You'll be responsible for the full lifecycle of backend services: from design and development through production reliability. In an era where AI can generate code, we value engineers who think critically, anticipate problems, and drive systems forward. What We Expect End-to-End Ownership - Own features from design -> development -> testing -> deployment -> production support - Take accountability for the reliability and performance of your services in production - Drive technical decisions without waiting to be told what to do System Design \& Architecture - Design scalable, resilient distributed systems handling millions of daily transactions - Make pragmatic trade-off decisions (consistency vs. availability, complexity vs. speed) - Produce clear technical design documents and lead design reviews - Evaluate build vs. buy decisions with data Development - Strong proficiency in TypeScript and Node.js - Build high-throughput, low-latency microservices using frameworks like NestJS, Express, or Fastify - Write clean, type-safe, maintainable code - but more importantly, know when and what to build Testing \& Quality - Write meaningful unit, integration, and contract tests - not just for coverage metrics - Own E2E test strategy for your services - Build confidence in deployments through automated validation Infrastructure \& Cloud (AWS) - Hands-on with AWS services (ECS/EKS, Lambda, S3, SQS, CloudWatch, IAM) - Understand networking, security, and cost implications of architectural choices - Comfortable with Infrastructure as Code (Terraform/CloudFormation) Data \& Messaging - Kafka - design event-driven architectures, manage topics, handle consumer lag and rebalancing - Redis - caching strategies, pub/sub, cluster management - MongoDB/DocumentDB - schema design, indexing, query optimization, aggregation pipelines - DynamoDB - single-table design, GSI/LSI strategies, capacity planning, streams Monitoring \& Observability - Datadog - build dashboards, set meaningful alerts, track SLOs, analyze APM traces - Splunk - log analysis, search queries, correlation across services for incident investigation - Understand distributed tracing, structured logging, and metric-driven decision making SRE Mindset - Analyze production incidents: read logs, trace requests, identify root cause under pressure - Think about failure modes before they happen (circuit breakers, retries, fallbacks, graceful degradation) - Participate in on-call rotations and drive blameless post-mortems - Proactively identify capacity risks and performance bottlenecks Proactive Analysis \& Innovation - Identify risks, tech debt, and performance bottlenecks before they become incidents - Propose and drive improvements - don't wait for a ticket - Stay current with industry trends and bring relevant ideas to the team - Challenge existing patterns when they no longer serve the system Nice to Have - Experience with circuit breaker patterns (opossum, cockatiel) - Performance tuning at scale (Node.js event loop, worker threads, connection pools) - Experience with CI/CD pipelines and deployment strategies (blue-green, canary) - Contributions to internal tooling or developer experience improvements - Experience leading technical initiatives across multiple teams
Über uns ------------ Wir sind ein unabhängiger, mittelständischer Softwareanbieter. 50 Prozent der größten europäischen Banken sowie öffentliche Einrichtungen und Unternehmen aller Branchen sichern ihre sensiblen Geschäftsprozesse mit unseren Lösungen ab. Hochwertige Softwareprodukte im Bereich Sicherheit und Nachvollziehbarkeit in der IT und zur automatisierten Verarbeitung größter Daten- und Dokumentenmengen lassen uns als deutsches Unternehmen zu einem der führenden Mittelständler in Europa zählen. Es gibt deutschlandweit vier Standorte in Berlin, München, Köln und Neustadt an der Weinstraße. Zusätzlich gibt es über 20 Tochtergesellschaften weltweit. Wir sind ein führender Anbieter im Bereich Identity \& Access Management und unterstützen Unternehmen dabei, ihre digitale Sicherheit effizient zu gestalten. Unsere Lösungen ermöglichen es, Nutzeridentitäten zentral zu verwalten, Zugriffe zu kontrollieren und Compliance-Anforderungen zu erfüllen. Zur Verstärkung unseres Entwicklungsteams am Standort Berlin suchen wir ab sofort einen: Senior Software Engineer (Backend) (m/w/d) Deine Aufgaben ------------------ Als Senior Backend Developer bist du Teil eines europäischen Entwicklungsteams (Schwerpunkt Deutschland) und entwickelst moderne, skalierbare Backend-Systeme im Umfeld von Identity \& Access Management (IAM). Du gestaltest aktiv Architektur, Datenmodelle und Entwicklungsprozesse – inklusive des Einsatzes von KI zur Unterstützung in der Softwareentwicklung. Zu den wichtigsten Aufgaben gehören: Entwicklung und Weiterentwicklung von Backend-Systemen auf Basis von Java / Spring Boot Design und Implementierung von Microservices und API-basierten Architekturen Modellierung und Optimierung von Datenbanken (MS SQL Server Fokus) inkl. Performance-Tuning Aufbau und Pflege von CI/CD-Pipelines (GitLab) sowie Build- und Deployment-Prozessen Umsetzung fachlicher Anforderungen in robuste, wartbare Softwarelösungen Einsatz von KI-Tools zur Unterstützung von Entwicklung, Testing und Refactoring Enge Zusammenarbeit im agilen Team sowie Mentoring von Kollegen Dein Profil --------------- Begeisterung und Leidenschaft für die Softwareentwicklung Mehrjährige Erfahrung in der Backend-Entwicklung mit Java / Spring Boot Sehr gute Kenntnisse in relationalen Datenbanken, insbesondere Microsoft SQL Server, Postgre SQL Erfahrung mit GitLab CI/CD, Build- und Deployment-Prozessen Erfahrung mit Cloud-nativen Architekturen und Microservices Fundiertes Verständnis von Softwarearchitektur, Design Patterns und Clean Code Praktische Erfahrung mit KI-gestützter Softwareentwicklung Strukturierte, eigenverantwortliche Arbeitsweise und ausgeprägte Teamfähigkeit Gute Deutsch- und Englischkenntnisse Was wir anbieten: --------------------- Unbefristeter Arbeitsvertrag und 30 Tage Urlaub Flexible Arbeitszeiten, Homeoffice-Option und moderne Arbeitsmittel Betriebliche Altersvorsorge, die von uns bezuschusst wird Arbeitgeberfinanzierte Unfall- und Berufsunfähigkeitsversicherung Zuschuss zum Jobticket Fahrrad-Leasing mit Zuschuss Kontinuierliche Weiterbildungs- und Weiterentwicklungsmöglichkeiten Exklusive Mitarbeiterangebote mit Sonderkonditionen für Produkte und Leistungen renommierter Hersteller und Marken Eine angenehme und lockere Arbeitsatmosphäre mit gelebter Du-Kultur Ein betriebliches Gesundheitsmanagement (Yoga- und Rückenfitkurse, Psychologie- und Facharztservice doQtor) Kontakt ----------- Haben wir Dein Interesse geweckt? Dann bewirb Dich über unseren Online-Bewerberbogen. Wir freuen uns! Garancy AG -------------- Vivien Böhm Human Resources
About Casa We believe owning a home should feel as special as the moments that take place within them. If our mission inspires you, we'd love to hear from you. About the role We’re hiring a founding Senior Backend Engineer to help us design, develop, and ship robust backend systems that deliver exceptional value to our members. You’ll work closely with our founders, fellow engineers, and designers to create thoughtful and groundbreaking products that deliver exceptional value to our members. You’ll help build our core systems and product and define much of our founding team culture. Some of the responsibilities you’ll have Lead the architecture and development of our backend systems, ensuring they are scalable, secure, and reliable Design and implement APIs that power our iOS applications and other client interfaces Optimize performance and scalability of our services to handle a growing number of members and data Stay current with the latest advancements in backend technologies and cloud infrastructure, and integrate new technologies and methodologies as appropriate Level up a growing engineering team by reviewing code and designs of teammates and providing constructive feedback to maintain high quality About you You’re passionate about building robust systems. You have a deep understanding of backend architecture, API design, and database management, and you’re excited to build systems that scale with our growing member base You’re excited to be a founding engineer at an early-stage startup. This means that there’s a lot of systems and structure yet to be put in place, and you’ll play an active role in building and shaping those alongside our company culture You’re excited to build. You embrace the challenges and growth that come with joining an early-stage company, thriving in a fast-moving, evolving environment You think and act like an owner. You take a long-term view, make decisions with care, and are eager to take initiative and responsibility with good judgment You roll up your sleeves. You find satisfaction in taking action, solving problems, and learning quickly, rather than delegating or managing from the sidelines You’re mission-driven and adaptable. You understand the stakes of a startup, focus on what matters most, and dedicate yourself to building for long-term success You thrive on collaboration and problem-solving. You work best in an in-person culture, feeding off shared energy, brainstorming, and engaging with others daily
Senior Backend Engineer Location: Berlin (Hybrid) Salary: Up to €100,000 + Benefits We’re partnered with a rapidly scaling entertainment technology business building one of Europe’s most widely used consumer platforms in the streaming and digital content space. As they continue expanding internationally, they’re looking for a Senior Backend Engineer to help scale backend systems, improve platform performance, and contribute to architectural decisions across a high-volume product environment. They are especially interested in profiles with: Founding Engineer or founding experience Strong business mindset and entrepreneurial mentality Builders who have launched products or meaningful side projects The Role Build and scale backend services used by millions of users Contribute to system design and architecture discussions Develop reliable, performant, production-grade code Work closely with Product, Frontend, Mobile, and Data teams Improve system observability, monitoring, and reliability Help shape engineering best practices across the platform Experience They’re Looking For Strong backend engineering experience with Golang, Python, or Node.js Experience building APIs and distributed systems Cloud infrastructure exposure (ideally GCP) Knowledge of scalable system design principles Experience with SQL and/or NoSQL databases Familiarity with CI/CD and modern engineering tooling Why Join? Product-focused engineering culture Complex technical challenges at genuine scale Strong autonomy and ownership Fast-moving, entrepreneurial environment Hybrid Berlin setup with an international team
Job Title: Backend Engineer Job Type: Contract Location: Remote Job Summary Join our customers team as a Backend Engineer, where youll architect and build robust, scalable backend systems powering innovative digital products. Collaborate with top-tier engineers in a dynamic, expert environment while driving forward the core technology infrastructure. This is a fantastic opportunity for backend specialists passionate about solving complex challenges and delivering high-impact solutions. Key Responsibilities Design, develop, and maintain scalable backend services and APIs that meet demanding performance requirements. Collaborate cross-functionally to translate business needs into technical specifications and impactful backend solutions. Optimize backend systems for reliability, security, and efficiency, ensuring seamless user experiences. Write clean, well-documented, and thoroughly tested code, adhering to best engineering practices. Participate actively in code reviews, mentoring, and knowledge sharing sessions with fellow engineers. Monitor, troubleshoot, and resolve backend issues in production environments, targeting root causes and continuous improvements. Contribute to architecture discussions and decisions, bringing innovative ideas and a solutions-oriented mindset. Required Skills And Qualifications 3+ Years Proven expertise in backend development using modern programming languages. Extensive experience designing and implementing RESTful APIs and microservices architectures. Strong proficiency with relational and NoSQL databases, along with data modeling principles. Deep understanding of system security, authentication, and authorization best practices. Experience with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes). Excellent written and verbal communication skills, with a collaborative and proactive approach. Ability to thrive in a fast-paced, fully remote expert team environment. Preferred Qualifications Familiarity with event-driven or server less architectures. Experience with CI/CD pipelines and automated testing frameworks. * Background in mentoring or technical leadership within backend teams.
The Engineering team at Book of the Month is responsible for developing and maintaining the platform's web and mobile applications. We are looking for a Backend Software Engineer to design, develop, and maintain backend services and APIs that power our web and mobile applications. You will also contribute to our data engineering efforts, building and optimizing data pipelines and working with Snowflake to support analytics, reporting, and data-driven decision-making across the organization.We are open to a range of experience levels, from mid-level engineers ready to grow into greater ownership, to senior engineers who can lead initiatives from day one. What you will do… Design, develop, and maintain backend services and APIs using Node.js, integrating with MySQL/PostgreSQL databases, and ensuring robust performance and scalability. (More senior candidates will be expected to lead this work.) Partner with frontend developers to define API contracts and deliver the corresponding backend implementation Collaborate with other teams such as design, product, and QA to understand requirements and implement software solutions that meet business needs Write and maintain technical documentation and perform code reviews Participate in poker planning, daily stand-ups, and other team activities to ensure project success and on-time delivery Field and fulfill cross-functional data requests, partnering with stakeholders to deliver accurate, timely insights that drive business decisions Participate in an on-call rotation as needed to ensure business continuity of key backend systems About You… 2+ years of experience delivering high-quality production code using JavaScript, TypeScript, and Node.js (4+ years for senior-level candidates) Hands-on experience working with relational databases such as MySQL or PostgreSQL Background in writing and maintaining automated tests, including unit, integration, and end-to-end tests Proficiency with React, with exposure to Next.js preferred. Excellent communication skills to effectively communicate complex technical information to non-technical team members and stakeholders Strong problem-solving skills to analyze complex problems and develop effective solutions Adaptability to learn new technologies and programming languages to stay relevant High attention to detail and a commitment to producing high-quality, scalable, maintainable, and reliable code. Salary Range: $100,000 - $150,000
Enter Nossa missão é tornar o Brasil um protagonista global em inteligência artificial. A Enter combina expertise humana e inteligência artificial para executar, em escala, trabalhos críticos e de alto volume que ainda dependem de processos manuais. Nossa plataforma permite que grandes empresas na América Latina atuem em fluxos complexos, começando pelas operações jurídicas e expandindo para todo o enterprise. Aplicamos IA para gerar defesas jurídicas personalizadas em larga escala, ajudando empresas a reduzir custos e aumentar suas taxas de êxito em litígios. Nosso time é formado pelos melhores talentos de escolas do Brasil e do mundo, como Harvard, UPenn, Stanford, ITA, USP e Unicamp. Empresas como Meta, Itaú, Mercado Livre, Latam, Airbnb, Santander, iFood e Nubank são parceiros da Enter para lidar com processos críticos de forma mais eficiente. Com mais de R$300M de capital levantado e uma valuation de R$2B, contamos com o apoio de grandes fundos investidores como Sequoia e Founders Fund que acreditam no mesmo futuro que acreditamos. Vaga O Software Engineer - Backend & Frontend é responsável por desenvolver e otimizar interfaces web, garantindo bom desempenho e colaborando com as equipes de design e backend. O papel envolve transformar designs em componentes responsivos, resolver problemas de desempenho, integrar APIs e realizar revisões de código. A pessoa ideal é detalhista, experiente em tecnologias de frontend e backend, e se adapta bem a um ambiente dinâmico. Responsabilidades Colaborar com o restante do time de Engenharia, Produto e Design para desenvolver novos produtos e features para os usuários. Trabalhar lado a lado com os times de Produto e AI Deployment para entender as necessidades dos usuários. Garantir que nosso produto entrega uma experiência sem bugs e totalmente fluida. Desenvolver componentes de UI reutilizáveis e responsivos. Otimização constante da performance e experiência do usuário através de técnicas como CDN cache, virtualização de tabelas, lazy loading, memorização eficiente e estratégias inteligentes de data fetching, sempre em colaboração próxima com os outros Software Engineers para garantir contratos de API otimizados. Desenvolver workflows robustos para processamento de documentos em tempo real, implementando feedbacks instantâneos para o usuário. Evolução contínua da nossa biblioteca de componentes internos baseada em ShadCN, Tailwind e AG-Grid, priorizando acessibilidade, performance e consistência visual em toda a plataforma. Manutenção e evolução do nosso monorepo unificado, utilizando tecnologias como Turborepo, Next.js, TypeScript, React.js, ShadCN, Tailwind e React Query. Nosso foco é manter uma base de código consistente e reutilizável para todas as aplicações web. O que valorizamos Muita curiosidade : ir além do superficial e investigar a fundo problemas e dados. Foco no que importa: priorizar o resultado coletivo acima de reconhecimento individual. Adaptabilidade: Capacidade excepcional de atuar em problemas abertos e ambientes não estruturados. Aprendizagem rápida: aprender, liderar ou executar conforme necessário. Senso de urgência: operar com alta velocidade de execução, sem comprometer qualidade e escalabilidade, permitindo a criação de processos replicáveis para garantir o sucesso a longo prazo. Idealmente, você tem: Graduação em Ciência da Computação, Engenharia ou áreas correlatas. De 2 a 4 anos de experiência profissional com Frontrnd e Backend. Experiência com React, JavaScript, HTML e CSS.
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in. We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute. What We're Looking For We’re looking for a Backend Engineer to help develop and scale the Lightning AI platform, spanning APIs, infrastructure, billing, security, and integrations. In this role, you’ll take ownership of key features and drive them end-to-end, working closely with engineering, product, and design to ship high-quality, iterative improvements. This is an opportunity to build systems that support real-world machine learning workloads at scale. This role is based in one of our hubs (Seattle, NYC, SF, or London), with a minimum of 2 in-office days per week and occasional team and company offsites. We are not able to provide visa sponsorship for this position at this time. What You’ll Do Write readable/testable/efficient code in Go (Golang). Build deep expertise in our technology stack to deliver new features, improve system stability, and increase overall performance. Partner with engineering and product leaders on developing the Lightning product while using your experience to set the technical direction for large projects. Evaluate, strengthen, and document technical architecture, tools, and processes. Maintain software quality, implement automation, drive continuous delivery, and reduce time to production while proactively reducing technical debt. Mentor and coach engineers on system design, operating in high uncertainty, and problem-solving to create a supportive, inclusive environment where each engineer can grow. What You’ll Need Extensive experience writing efficient, maintainable code in Go. Familiarity with best practices in testing, readability, and optimization is essential. Broad knowledge of backend and frontend systems, with experience building and scaling APIs, CLI tools, billing systems, and security protocols. Exposure to frontend frameworks is a plus. Experience with cloud platforms like AWS, GCP, or Azure and designing systems that are reliable, performant, and scalable. Familiarity with containerization (Docker, Kubernetes) is a strong advantage. Proven ability to take ownership of key features and drive end-to-end development Commitment to software quality, test automation, and continuous delivery. Experience proactively managing technical debt and speeding up time to production. Hands-on experience as a backend or product engineer in a SaaS technology company Communication and collaboration with engineers, product managers, and designers Ability to operate in high uncertainty and rapidly changing environments Compensation We are committed to offering competitive compensation that reflects the value each team member brings to our mission. Final offers are based on factors such as experience, skills, geographic location, and role expectations. In addition to base salary, our total rewards package for eligible roles includes a discretionary bonus, a meaningful equity component, and comprehensive benefits. The anticipated annual base salary range for this role is: $180,000 - $250,000 USD Benefits And Perks We offer a comprehensive and competitive benefits package designed to support our employees’ health, well-being, and long-term success. Benefits may vary by location, team, and role. Benefits Include Comprehensive medical, dental and vision coverage (U.S.); Private medical and dental insurance (U.K.) Retirement and financial wellness support (U.S.); Pension contribution (U.K.) Generous paid time off, plus holidays Paid parental leave Professional development support Wellness and work-from-home stipends Flexible work environment At Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.*
The Engineering team at Book of the Month is responsible for developing and maintaining the platform's web and mobile applications. We are looking for a Backend Software Engineer to design, develop, and maintain backend services and APIs that power our web and mobile applications. You will also contribute to our data engineering efforts, building and optimizing data pipelines and working with Snowflake to support analytics, reporting, and data-driven decision-making across the organization.We are open to a range of experience levels, from mid-level engineers ready to grow into greater ownership, to senior engineers who can lead initiatives from day one. What you will do… Design, develop, and maintain backend services and APIs using Node.js, integrating with MySQL/PostgreSQL databases, and ensuring robust performance and scalability. (More senior candidates will be expected to lead this work.) Partner with frontend developers to define API contracts and deliver the corresponding backend implementation Collaborate with other teams such as design, product, and QA to understand requirements and implement software solutions that meet business needs Write and maintain technical documentation and perform code reviews Participate in poker planning, daily stand-ups, and other team activities to ensure project success and on-time delivery Field and fulfill cross-functional data requests, partnering with stakeholders to deliver accurate, timely insights that drive business decisions Participate in an on-call rotation as needed to ensure business continuity of key backend systems About You… 2+ years of experience delivering high-quality production code using JavaScript, TypeScript, and Node.js (4+ years for senior-level candidates) Hands-on experience working with relational databases such as MySQL or PostgreSQL Background in writing and maintaining automated tests, including unit, integration, and end-to-end tests Proficiency with React, with exposure to Next.js preferred. Excellent communication skills to effectively communicate complex technical information to non-technical team members and stakeholders Strong problem-solving skills to analyze complex problems and develop effective solutions Adaptability to learn new technologies and programming languages to stay relevant High attention to detail and a commitment to producing high-quality, scalable, maintainable, and reliable code. Salary Range: $100,000 - $150,000
You will design, build, and operate Backend-for-Frontend services for a modern e-banking solution, ensuring frontend applications are optimally, securely, and efficiently integrated with backend systems. Responsibilities Develop and evolve BFF services for web and mobile frontends Design and implement APIs (REST / GraphQL) Aggregate and orchestrate backend services for frontend needs Ensure performance, stability, and security to e-banking standards Work closely with frontend, backend, security, and architecture teams Code reviews and adherence to development and security guidelines Participate in agile development processes (Scrum / Kanban) Requirements 5+ years of backend development experience Solid experience with Backend-for-Frontend architectures Strong skills in API design and implementation Experience with authentication and authorization concepts Understanding of frontend technologies and their requirements Experience in security-critical systems (e-banking a plus) German-speaking Solid banking domain experience (required) What We Offer We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect: Health Insurance Allowance for peace of mind Annual Performance Bonus to reward your impact A collaborative, international work culture with opportunities for continuous learning and growth
About the Role We're looking for a senior engineer who doesn't just write code - they own outcomes. You'll be responsible for the full lifecycle of backend services: from design and development through production reliability. In an era where AI can generate code, we value engineers who think critically, anticipate problems, and drive systems forward. What We Expect End-to-End Ownership - Own features from design -> development -> testing -> deployment -> production support - Take accountability for the reliability and performance of your services in production - Drive technical decisions without waiting to be told what to do System Design \& Architecture - Design scalable, resilient distributed systems handling millions of daily transactions - Make pragmatic trade-off decisions (consistency vs. availability, complexity vs. speed) - Produce clear technical design documents and lead design reviews - Evaluate build vs. buy decisions with data Development - Strong proficiency in TypeScript and Node.js - Build high-throughput, low-latency microservices using frameworks like NestJS, Express, or Fastify - Write clean, type-safe, maintainable code - but more importantly, know when and what to build Testing \& Quality - Write meaningful unit, integration, and contract tests - not just for coverage metrics - Own E2E test strategy for your services - Build confidence in deployments through automated validation Infrastructure \& Cloud (AWS) - Hands-on with AWS services (ECS/EKS, Lambda, S3, SQS, CloudWatch, IAM) - Understand networking, security, and cost implications of architectural choices - Comfortable with Infrastructure as Code (Terraform/CloudFormation) Data \& Messaging - Kafka - design event-driven architectures, manage topics, handle consumer lag and rebalancing - Redis - caching strategies, pub/sub, cluster management - MongoDB/DocumentDB - schema design, indexing, query optimization, aggregation pipelines - DynamoDB - single-table design, GSI/LSI strategies, capacity planning, streams Monitoring \& Observability - Datadog - build dashboards, set meaningful alerts, track SLOs, analyze APM traces - Splunk - log analysis, search queries, correlation across services for incident investigation - Understand distributed tracing, structured logging, and metric-driven decision making SRE Mindset - Analyze production incidents: read logs, trace requests, identify root cause under pressure - Think about failure modes before they happen (circuit breakers, retries, fallbacks, graceful degradation) - Participate in on-call rotations and drive blameless post-mortems - Proactively identify capacity risks and performance bottlenecks Proactive Analysis \& Innovation - Identify risks, tech debt, and performance bottlenecks before they become incidents - Propose and drive improvements - don't wait for a ticket - Stay current with industry trends and bring relevant ideas to the team - Challenge existing patterns when they no longer serve the system Nice to Have - Experience with circuit breaker patterns (opossum, cockatiel) - Performance tuning at scale (Node.js event loop, worker threads, connection pools) - Experience with CI/CD pipelines and deployment strategies (blue-green, canary) - Contributions to internal tooling or developer experience improvements - Experience leading technical initiatives across multiple teams
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Software Engineer II that is passionate about our mission of Money Without Borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, data science, risk and controls, and operations to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to Transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable and contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
About The Role We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions. What you’ll do Design, develop, and maintain scalable backend services that support our applications and infrastructure. Implement secure and efficient APIs to support frontend applications and third-party integrations. Optimize system performance, reliability, and scalability through effective architecture and engineering best practices. Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs. Ensure high availability, fault tolerance, and performance of backend systems. Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability. Maintain security best practices to protect user data and system integrity. Stay up to date with industry trends and emerging technologies in backend development and distributed systems. Who you are 5+ years of experience in backend development, building scalable and reliable applications. Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred. Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions. Familiarity with designing and integrating APIs, including REST and GraphQL. Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure). Experience with containerization and orchestration tools like Docker and Kubernetes. Strong problem-solving skills and the ability to optimize system performance and reliability. Excellent communication skills and the ability to work effectively in a collaborative environment. Preferred Qualifications Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.). Knowledge of caching strategies and performance optimization techniques. Experience working on large-scale, high-traffic applications. Familiarity with CI/CD pipelines and DevOps best practices. Exposure to machine learning or data-driven applications. About Character.AI Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure s. In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach. Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI! At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.*
About Casa We believe owning a home should feel as special as the moments that take place within them. If our mission inspires you, we'd love to hear from you. About the role We’re hiring a founding Senior Backend Engineer to help us design, develop, and ship robust backend systems that deliver exceptional value to our members. You’ll work closely with our founders, fellow engineers, and designers to create thoughtful and groundbreaking products that deliver exceptional value to our members. You’ll help build our core systems and product and define much of our founding team culture. Some of the responsibilities you’ll have Lead the architecture and development of our backend systems, ensuring they are scalable, secure, and reliable Design and implement APIs that power our iOS applications and other client interfaces Optimize performance and scalability of our services to handle a growing number of members and data Stay current with the latest advancements in backend technologies and cloud infrastructure, and integrate new technologies and methodologies as appropriate Level up a growing engineering team by reviewing code and designs of teammates and providing constructive feedback to maintain high quality About you You’re passionate about building robust systems. You have a deep understanding of backend architecture, API design, and database management, and you’re excited to build systems that scale with our growing member base You’re excited to be a founding engineer at an early-stage startup. This means that there’s a lot of systems and structure yet to be put in place, and you’ll play an active role in building and shaping those alongside our company culture You’re excited to build. You embrace the challenges and growth that come with joining an early-stage company, thriving in a fast-moving, evolving environment You think and act like an owner. You take a long-term view, make decisions with care, and are eager to take initiative and responsibility with good judgment You roll up your sleeves. You find satisfaction in taking action, solving problems, and learning quickly, rather than delegating or managing from the sidelines You’re mission-driven and adaptable. You understand the stakes of a startup, focus on what matters most, and dedicate yourself to building for long-term success You thrive on collaboration and problem-solving. You work best in an in-person culture, feeding off shared energy, brainstorming, and engaging with others daily
Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. . Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on Instagram
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
About the Role We're looking for a senior engineer who doesn't just write code - they own outcomes. You'll be responsible for the full lifecycle of backend services: from design and development through production reliability. In an era where AI can generate code, we value engineers who think critically, anticipate problems, and drive systems forward. What We Expect End-to-End Ownership - Own features from design -> development -> testing -> deployment -> production support - Take accountability for the reliability and performance of your services in production - Drive technical decisions without waiting to be told what to do System Design \& Architecture - Design scalable, resilient distributed systems handling millions of daily transactions - Make pragmatic trade-off decisions (consistency vs. availability, complexity vs. speed) - Produce clear technical design documents and lead design reviews - Evaluate build vs. buy decisions with data Development - Strong proficiency in TypeScript and Node.js - Build high-throughput, low-latency microservices using frameworks like NestJS, Express, or Fastify - Write clean, type-safe, maintainable code - but more importantly, know when and what to build Testing \& Quality - Write meaningful unit, integration, and contract tests - not just for coverage metrics - Own E2E test strategy for your services - Build confidence in deployments through automated validation Infrastructure \& Cloud (AWS) - Hands-on with AWS services (ECS/EKS, Lambda, S3, SQS, CloudWatch, IAM) - Understand networking, security, and cost implications of architectural choices - Comfortable with Infrastructure as Code (Terraform/CloudFormation) Data \& Messaging - Kafka - design event-driven architectures, manage topics, handle consumer lag and rebalancing - Redis - caching strategies, pub/sub, cluster management - MongoDB/DocumentDB - schema design, indexing, query optimization, aggregation pipelines - DynamoDB - single-table design, GSI/LSI strategies, capacity planning, streams Monitoring \& Observability - Datadog - build dashboards, set meaningful alerts, track SLOs, analyze APM traces - Splunk - log analysis, search queries, correlation across services for incident investigation - Understand distributed tracing, structured logging, and metric-driven decision making SRE Mindset - Analyze production incidents: read logs, trace requests, identify root cause under pressure - Think about failure modes before they happen (circuit breakers, retries, fallbacks, graceful degradation) - Participate in on-call rotations and drive blameless post-mortems - Proactively identify capacity risks and performance bottlenecks Proactive Analysis \& Innovation - Identify risks, tech debt, and performance bottlenecks before they become incidents - Propose and drive improvements - don't wait for a ticket - Stay current with industry trends and bring relevant ideas to the team - Challenge existing patterns when they no longer serve the system Nice to Have - Experience with circuit breaker patterns (opossum, cockatiel) - Performance tuning at scale (Node.js event loop, worker threads, connection pools) - Experience with CI/CD pipelines and deployment strategies (blue-green, canary) - Contributions to internal tooling or developer experience improvements - Experience leading technical initiatives across multiple teams
Job Title: Backend Engineer Job Type: Contract Location: Remote Job Summary Join our customers team as a Backend Engineer, where youll architect and build robust, scalable backend systems powering innovative digital products. Collaborate with top-tier engineers in a dynamic, expert environment while driving forward the core technology infrastructure. This is a fantastic opportunity for backend specialists passionate about solving complex challenges and delivering high-impact solutions. Key Responsibilities Design, develop, and maintain scalable backend services and APIs that meet demanding performance requirements. Collaborate cross-functionally to translate business needs into technical specifications and impactful backend solutions. Optimize backend systems for reliability, security, and efficiency, ensuring seamless user experiences. Write clean, well-documented, and thoroughly tested code, adhering to best engineering practices. Participate actively in code reviews, mentoring, and knowledge sharing sessions with fellow engineers. Monitor, troubleshoot, and resolve backend issues in production environments, targeting root causes and continuous improvements. Contribute to architecture discussions and decisions, bringing innovative ideas and a solutions-oriented mindset. Required Skills And Qualifications 3+ Years Proven expertise in backend development using modern programming languages. Extensive experience designing and implementing RESTful APIs and microservices architectures. Strong proficiency with relational and NoSQL databases, along with data modeling principles. Deep understanding of system security, authentication, and authorization best practices. Experience with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes). Excellent written and verbal communication skills, with a collaborative and proactive approach. Ability to thrive in a fast-paced, fully remote expert team environment. Preferred Qualifications Familiarity with event-driven or server less architectures. Experience with CI/CD pipelines and automated testing frameworks. * Background in mentoring or technical leadership within backend teams.
The Engineering team at Book of the Month is responsible for developing and maintaining the platform's web and mobile applications. We are looking for a Backend Software Engineer to design, develop, and maintain backend services and APIs that power our web and mobile applications. You will also contribute to our data engineering efforts, building and optimizing data pipelines and working with Snowflake to support analytics, reporting, and data-driven decision-making across the organization.We are open to a range of experience levels, from mid-level engineers ready to grow into greater ownership, to senior engineers who can lead initiatives from day one. What you will do… Design, develop, and maintain backend services and APIs using Node.js, integrating with MySQL/PostgreSQL databases, and ensuring robust performance and scalability. (More senior candidates will be expected to lead this work.) Partner with frontend developers to define API contracts and deliver the corresponding backend implementation Collaborate with other teams such as design, product, and QA to understand requirements and implement software solutions that meet business needs Write and maintain technical documentation and perform code reviews Participate in poker planning, daily stand-ups, and other team activities to ensure project success and on-time delivery Field and fulfill cross-functional data requests, partnering with stakeholders to deliver accurate, timely insights that drive business decisions Participate in an on-call rotation as needed to ensure business continuity of key backend systems About You… 2+ years of experience delivering high-quality production code using JavaScript, TypeScript, and Node.js (4+ years for senior-level candidates) Hands-on experience working with relational databases such as MySQL or PostgreSQL Background in writing and maintaining automated tests, including unit, integration, and end-to-end tests Proficiency with React, with exposure to Next.js preferred. Excellent communication skills to effectively communicate complex technical information to non-technical team members and stakeholders Strong problem-solving skills to analyze complex problems and develop effective solutions Adaptability to learn new technologies and programming languages to stay relevant High attention to detail and a commitment to producing high-quality, scalable, maintainable, and reliable code. Salary Range: $100,000 - $150,000
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. More about our mission and what we offer. Job Description About the role: We are seeking a Senior Software Engineer II that is passionate about our mission of Money Without Borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, data science, risk and controls, and operations to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to Transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable and contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on LinkedIn and Instagram.
Senior Backend Engineer Location: Berlin (Hybrid) Salary: Up to €100,000 + Benefits We’re partnered with a rapidly scaling entertainment technology business building one of Europe’s most widely used consumer platforms in the streaming and digital content space. As they continue expanding internationally, they’re looking for a Senior Backend Engineer to help scale backend systems, improve platform performance, and contribute to architectural decisions across a high-volume product environment. They are especially interested in profiles with: Founding Engineer or founding experience Strong business mindset and entrepreneurial mentality Builders who have launched products or meaningful side projects The Role Build and scale backend services used by millions of users Contribute to system design and architecture discussions Develop reliable, performant, production-grade code Work closely with Product, Frontend, Mobile, and Data teams Improve system observability, monitoring, and reliability Help shape engineering best practices across the platform Experience They’re Looking For Strong backend engineering experience with Golang, Python, or Node.js Experience building APIs and distributed systems Cloud infrastructure exposure (ideally GCP) Knowledge of scalable system design principles Experience with SQL and/or NoSQL databases Familiarity with CI/CD and modern engineering tooling Why Join? Product-focused engineering culture Complex technical challenges at genuine scale Strong autonomy and ownership Fast-moving, entrepreneurial environment Hybrid Berlin setup with an international team
Head of Backend Engineering Location: Berlin (Hybrid) Salary: Up to €120,000 + Benefits We’re working with a Berlin-based consumer entertainment platform that has become one of the leading products in its space across Europe. Following continued growth, they’re now hiring a Head of Backend Engineering to lead backend strategy, architecture, and team growth while remaining highly hands-on technically. This is a leadership role for someone who still loves engineering. You’ll own backend direction across a modern, high-scale platform while helping build a strong, product-focused engineering culture. They are especially interested in profiles with: Founding Engineer or startup leadership experience Previous experience scaling engineering teams from early stages Strong product mindset and entrepreneurial mentality Builders who have launched products or meaningful side projects Responsibilities Own backend architecture and technical direction Lead and mentor a growing backend engineering team Stay close to the codebase through design, reviews, and implementation Drive scalability, reliability, and platform performance Collaborate with Product and senior leadership on roadmap planning Improve engineering standards, delivery processes, and system design practices The stack is flexible, but strong experience in several areas is expected: Golang preferred OR Python, Node.js Distributed systems \& API architecture GCP and cloud infrastructure Microservices architecture SQL / NoSQL databases CI/CD pipelines and DevOps practices Observability and production monitoring Why This Opportunity? Chance to shape backend engineering at scale Leadership without losing hands-on technical ownership Entrepreneurial engineering culture High-autonomy environment with significant product impact Berlin hybrid working setup
Ready to be pushed beyond what you think you’re capable of? At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system. To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of cryp
You will design, build, and operate Backend-for-Frontend services for a modern e-banking solution, ensuring frontend applications are optimally, securely, and efficiently integrated with backend systems. Responsibilities Develop and evolve BFF services for web and mobile frontends Design and implement APIs (REST / GraphQL) Aggregate and orchestrate backend services for frontend needs Ensure performance, stability, and security to e-banking standards Work closely with frontend, backend, security, and architecture teams Code reviews and adherence to development and security guidelines Participate in agile development processes (Scrum / Kanban) Requirements 5+ years of backend development experience Solid experience with Backend-for-Frontend architectures Strong skills in API design and implementation Experience with authentication and authorization concepts Understanding of frontend technologies and their requirements Experience in security-critical systems (e-banking a plus) German-speaking Solid banking domain experience (required) What We Offer We believe in creating an environment where you can thrive professionally and personally. Here’s what you can expect: Health Insurance Allowance for peace of mind Annual Performance Bonus to reward your impact A collaborative, international work culture with opportunities for continuous learning and growth
Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere. . Job Description About the role: We are seeking a Senior Backend Engineer II that is passionate about our mission of money without borders to collaborate with our Regional Europe \& UK team. Your role will be to drive data-driven and innovative growth decisions, with a unique opportunity to lead and grow the team in delivering value to our customers by developing the Wise product within Europe. How we work: You will work closely with product, design, analytics, risk and controls to translate your ideas and designs into tangible products and improvements for our customers, directly impacting Wise’s mission and millions of our users. As part of the team, you will be responsible for making Wise work better for customers within Europe and the United Kingdom. We are modifying our core proposition to better suit customers based on their country. Our mission is to transform Wise into a truly local product in Europe, providing the best account experience for people with international lives. You will be part of deep research into different markets across the continent and lead the development of functionality for those markets, from local payment methods or account details, to tax payments and reward programmes. What will you be working on? Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc. Build account-level features, such as tax payments or savings account products, to cater for European markets. Collaborate with product managers to develop business requirements and turn them into technical solutions. We want engineers to be comfortable contributing to product development. Mentor junior engineers, offering technical guidance and conducting code reviews. Drive architectural decisions and technical strategy for Regional Expansion Tribe. Contribute to our engineering culture through knowledge sharing and best practices. Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them. Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the product’s risk appetite and business objectives. What do you need? Knowledge of Java and Spring Boot. Knowledge and experience with asynchronous messaging systems, such as Kafka. Experience working with relational databases, SQL query optimization, and schema design. A strong product mindset, prioritizing customer needs and making data-driven decisions. A strong sense of ownership and excellent communication skills to drive cross-team projects. Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts. The ability to break down complex projects into incremental milestones that deliver customer value. Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code. Curiosity and a drive for continuous learning and improvement. Adherence to and advocacy for best coding practices, continuous delivery, and code reviews. A proven track record of leading technical initiatives and mentoring other engineers. Interested? Find out more: How we work – a practical guide DEI @ Wise What do we offer: Starting salary: £111,000 - £145,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid Our Engineering career map Wise Engineering – https://medium.com/wise-engineering Wise Tech Stack (2025 update) See what it's like to work at Wise London! Additional Information For everyone, everywhere. We're people building money without borders — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive. We're proud to have a truly international team, and we celebrate our differences. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers. If you want to find out more about what it's like to work at Wise visit Wise.Jobs. Keep up to date with life at Wise by following us on Instagram
About The Role We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions. What you’ll do Design, develop, and maintain scalable backend services that support our applications and infrastructure. Implement secure and efficient APIs to support frontend applications and third-party integrations. Optimize system performance, reliability, and scalability through effective architecture and engineering best practices. Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs. Ensure high availability, fault tolerance, and performance of backend systems. Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability. Maintain security best practices to protect user data and system integrity. Stay up to date with industry trends and emerging technologies in backend development and distributed systems. Who you are 5+ years of experience in backend development, building scalable and reliable applications. Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred. Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions. Familiarity with designing and integrating APIs, including REST and GraphQL. Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure). Experience with containerization and orchestration tools like Docker and Kubernetes. Strong problem-solving skills and the ability to optimize system performance and reliability. Excellent communication skills and the ability to work effectively in a collaborative environment. Preferred Qualifications Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.). Knowledge of caching strategies and performance optimization techniques. Experience working on large-scale, high-traffic applications. Familiarity with CI/CD pipelines and DevOps best practices. Exposure to machine learning or data-driven applications. About Character.AI Character.AI empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit Character.AI every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure s. In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach. Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI! At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success.*
Enter Nossa missão é tornar o Brasil um protagonista global em inteligência artificial. A Enter combina expertise humana e inteligência artificial para executar, em escala, trabalhos críticos e de alto volume que ainda dependem de processos manuais. Nossa plataforma permite que grandes empresas na América Latina atuem em fluxos complexos, começando pelas operações jurídicas e expandindo para todo o enterprise. Aplicamos IA para gerar defesas jurídicas personalizadas em larga escala, ajudando empresas a reduzir custos e aumentar suas taxas de êxito em litígios. Nosso time é formado pelos melhores talentos de escolas do Brasil e do mundo, como Harvard, UPenn, Stanford, ITA, USP e Unicamp. Empresas como Meta, Itaú, Mercado Livre, Latam, Airbnb, Santander, iFood e Nubank são parceiros da Enter para lidar com processos críticos de forma mais eficiente. Com mais de R$300M de capital levantado e uma valuation de R$2B, contamos com o apoio de grandes fundos investidores como Sequoia e Founders Fund que acreditam no mesmo futuro que acreditamos. Vaga O Software Engineer - Backend & Frontend é responsável por desenvolver e otimizar interfaces web, garantindo bom desempenho e colaborando com as equipes de design e backend. O papel envolve transformar designs em componentes responsivos, resolver problemas de desempenho, integrar APIs e realizar revisões de código. A pessoa ideal é detalhista, experiente em tecnologias de frontend e backend, e se adapta bem a um ambiente dinâmico. Responsabilidades Colaborar com o restante do time de Engenharia, Produto e Design para desenvolver novos produtos e features para os usuários. Trabalhar lado a lado com os times de Produto e AI Deployment para entender as necessidades dos usuários. Garantir que nosso produto entrega uma experiência sem bugs e totalmente fluida. Desenvolver componentes de UI reutilizáveis e responsivos. Otimização constante da performance e experiência do usuário através de técnicas como CDN cache, virtualização de tabelas, lazy loading, memorização eficiente e estratégias inteligentes de data fetching, sempre em colaboração próxima com os outros Software Engineers para garantir contratos de API otimizados. Desenvolver workflows robustos para processamento de documentos em tempo real, implementando feedbacks instantâneos para o usuário. Evolução contínua da nossa biblioteca de componentes internos baseada em ShadCN, Tailwind e AG-Grid, priorizando acessibilidade, performance e consistência visual em toda a plataforma. Manutenção e evolução do nosso monorepo unificado, utilizando tecnologias como Turborepo, Next.js, TypeScript, React.js, ShadCN, Tailwind e React Query. Nosso foco é manter uma base de código consistente e reutilizável para todas as aplicações web. O que valorizamos Muita curiosidade : ir além do superficial e investigar a fundo problemas e dados. Foco no que importa: priorizar o resultado coletivo acima de reconhecimento individual. Adaptabilidade: Capacidade excepcional de atuar em problemas abertos e ambientes não estruturados. Aprendizagem rápida: aprender, liderar ou executar conforme necessário. Senso de urgência: operar com alta velocidade de execução, sem comprometer qualidade e escalabilidade, permitindo a criação de processos replicáveis para garantir o sucesso a longo prazo. Idealmente, você tem: Graduação em Ciência da Computação, Engenharia ou áreas correlatas. De 2 a 4 anos de experiência profissional com Frontrnd e Backend. Experiência com React, JavaScript, HTML e CSS.
Who We Are Lightning AI is the company behind PyTorch Lightning. Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from research to production with less friction. Through our merger with Voltage Park, a neocloud and AI Factory, Lightning AI combines developer-first software with cost-efficient, large-scale compute. Teams get the tools they need for experimentation, training, and production inference, with security, observability, and control built in. We serve solo researchers, startups, and large enterprises. Lightning AI operates globally with offices in New York City, San Francisco, Seattle, and London, and is backed by Coatue, Index Ventures, Bain Capital Ventures, and Firstminute. What We're Looking For We’re looking for a Backend Engineer to help develop and scale the Lightning AI platform, spanning APIs, infrastructure, billing, security, and integrations. In this role, you’ll take ownership of key features and drive them end-to-end, working closely with engineering, product, and design to ship high-quality, iterative improvements. This is an opportunity to build systems that support real-world machine learning workloads at scale. This role is based in one of our hubs (Seattle, NYC, SF, or London), with a minimum of 2 in-office days per week and occasional team and company offsites. We are not able to provide visa sponsorship for this position at this time. What You’ll Do Write readable/testable/efficient code in Go (Golang). Build deep expertise in our technology stack to deliver new features, improve system stability, and increase overall performance. Partner with engineering and product leaders on developing the Lightning product while using your experience to set the technical direction for large projects. Evaluate, strengthen, and document technical architecture, tools, and processes. Maintain software quality, implement automation, drive continuous delivery, and reduce time to production while proactively reducing technical debt. Mentor and coach engineers on system design, operating in high uncertainty, and problem-solving to create a supportive, inclusive environment where each engineer can grow. What You’ll Need Extensive experience writing efficient, maintainable code in Go. Familiarity with best practices in testing, readability, and optimization is essential. Broad knowledge of backend and frontend systems, with experience building and scaling APIs, CLI tools, billing systems, and security protocols. Exposure to frontend frameworks is a plus. Experience with cloud platforms like AWS, GCP, or Azure and designing systems that are reliable, performant, and scalable. Familiarity with containerization (Docker, Kubernetes) is a strong advantage. Proven ability to take ownership of key features and drive end-to-end development Commitment to software quality, test automation, and continuous delivery. Experience proactively managing technical debt and speeding up time to production. Hands-on experience as a backend or product engineer in a SaaS technology company Communication and collaboration with engineers, product managers, and designers Ability to operate in high uncertainty and rapidly changing environments Compensation We are committed to offering competitive compensation that reflects the value each team member brings to our mission. Final offers are based on factors such as experience, skills, geographic location, and role expectations. In addition to base salary, our total rewards package for eligible roles includes a discretionary bonus, a meaningful equity component, and comprehensive benefits. The anticipated annual base salary range for this role is: $180,000 - $250,000 USD Benefits And Perks We offer a comprehensive and competitive benefits package designed to support our employees’ health, well-being, and long-term success. Benefits may vary by location, team, and role. Benefits Include Comprehensive medical, dental and vision coverage (U.S.); Private medical and dental insurance (U.K.) Retirement and financial wellness support (U.S.); Pension contribution (U.K.) Generous paid time off, plus holidays Paid parental leave Professional development support Wellness and work-from-home stipends Flexible work environment At Lightning AI, we are committed to fostering an inclusive and diverse workplace. We believe that diverse teams drive innovation and create better products. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic. We are dedicated to building a culture where everyone can thrive and contribute to their fullest potential.*