Senior Software Engineer Core Jobs

14 open positions found · Salary range: $24 - $194,000

View Senior Software Engineer I & II Platform, Core Services
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Senior Software Engineer I & II Platform, Core Services

$95,000 - $150,000/yr

Description Location: Remote, USA How You'll Contribute to Our Mission At Frontline Education, our mission is we transform how schools work, so every educator and student succeeds. Our vision is every school thriving. Every community stronger. We're hiring for multiple Sr. Software Engineers at either the I or II level to join our Core Services Platform Engineering team. Core Services teams build and evolve the foundational platform capabilities that power Frontline's products. These shared services enable product teams to deliver customer value faster, more consistently, and with greater reliability. From workflow orchestration and notifications to integrations and reusable application services, you'll help create scalable building blocks that support educators and administrators across the country. As a Senior Software Engineer, you'll contribute beyond implementation. You'll help shape technical solutions, influence engineering practices, identify opportunities for improvement, and ensure platform capabilities remain reliable, extensible, and easy for downstream teams to adopt. Your work will directly support Frontline's ability to deliver meaningful outcomes for schools while creating exceptional experiences for both internal and external customers. How You'll Drive Success Platform Engineering \& Solution Delivery * Design, build, test, deploy, and support cloud-native shared services and reusable platform capabilities. * Develop scalable APIs, microservices, asynchronous workflows, and event-driven solutions using TypeScript and modern backend technologies. * Build configurable and extensible platform capabilities that support diverse product needs across Frontline's ecosystem. * Contribute to distributed systems leveraging messaging technologies such as Kafka and modern event-driven architectures. * Support modernization initiatives that improve scalability, maintainability, security, and operational excellence. * Partner with product engineering teams to improve adoption experiences and reduce integration complexity. Technical Design \& Collaboration Participate in discovery, refinement, and design discussions to evaluate requirements, identify tradeoffs, and shape practical solutions. * Collaborate with Product Managers, Architects, QA Engineers, Technical Leads, and Engineering Managers throughout the software development lifecycle. * Contribute to architectural discussions while aligning solutions to platform standards and long-term engineering objectives. * Communicate technical concepts, operational considerations, and implementation approaches clearly to technical and non-technical audiences. * Build strong partnerships across geographically distributed and cross-functional teams. * Engineering Excellence * Develop high-quality, maintainable, secure, and scalable software solutions. * Contribute to automated testing strategies, including unit, integration, API, and operational testing. * Participate in code reviews and provide thoughtful technical feedback that improves team outcomes. * Support CI/CD automation and continuous delivery practices. * Contribute to improvements in observability, resiliency, monitoring, troubleshooting, and operational support. * Promote reusable engineering patterns, platform consistency, and sustainable development practices. * Mentor fellow engineers and contribute to a culture of learning, accountability, and continuous improvement. AI-First Engineering * Leverage modern AI-assisted development tools such as GitHub Copilot, Claude Code, OpenAI Codex, and emerging technologies to accelerate development, troubleshooting, testing, documentation, and solution exploration. * Apply strong engineering judgment when evaluating and validating AI-generated outputs. * Use AI to improve productivity while maintaining high standards for security, maintainability, quality, scalability, and operational integrity. * Champion responsible and effective AI adoption across engineering workflows. What You Bring to Help Us Grow Senior Software Engineer I You will typically bring: * Bachelor's degree in Computer Science or a related field, or equivalent professional experience. * 5+ years of professional software engineering experience. * Strong proficiency in TypeScript and modern backend development practices. * Experience designing and building APIs, microservices, and distributed cloud-native systems. * Ability to independently deliver complex features and services with high quality and reliability. * Experience contributing to technical design discussions and evaluating implementation tradeoffs. * Strong understanding of testing, scalability, maintainability, and operational excellence. * Experience mentoring less experienced engineers and contributing to engineering best practices. * Experience leveraging AI-assisted development tools to improve engineering productivity while applying sound judgment and validation practices. Senior Software Engineer II You will typically bring: * Bachelor's degree in Computer Science or a related field, or equivalent professional experience. * 8+ years of professional software engineering experience. * Deep expertise designing, building, and evolving complex distributed systems and shared platform services. * Experience leading technical solutions that span multiple teams, services, or platform capabilities. * Proven success influencing engineering standards, architectural decisions, and platform direction. * Strong systems-thinking capabilities with the ability to balance immediate delivery needs against long-term platform sustainability. * Experience mentoring engineers, elevating team capabilities, and improving engineering practices across broader groups. * Demonstrated success driving quality, scalability, maintainability, and operational excellence across complex systems. * Experience establishing effective AI-assisted engineering practices and helping teams adopt modern development workflows responsibly. Required Technical Experience for Both Levels * Strong proficiency with: * TypeScript * Node.js * Modern server-side frameworks such as NestJS * Experience designing and building: * APIs * Microservices * Distributed systems * Event-driven architectures * Experience with AWS services such as: * EC2 * Lambda * S3 * SNS/SQS * Container-based workloads * Experience with: * Docker * Relational databases * Kafka or similar messaging technologies * CI/CD pipelines * Familiarity with modern frontend concepts, including React, TypeScript, and component-based architectures. * Experience working within Agile software development environments. * Strong communication, collaboration, and problem-solving skills. Preferred Qualifications * Experience with .NET-based services and modernization initiatives. * Experience building platform capabilities consumed across multiple product teams. * Experience designing configurable and extensible platform services. * Experience supporting platform adoption and developer enablement initiatives. * Familiarity with frontend modernization efforts, including Angular-to-React migrations. * Experience with Kubernetes or container orchestration platforms. * Experience working within multi-tenant SaaS environments. * Experience collaborating with geographically distributed engineering teams. * Experience leveraging AI-assisted or agentic development workflows in professional software engineering environments. What You'll Need to Thrive A strong ownership mindset that embraces accountability and continuous improvement. * A collaborative approach that reflects our belief that we're better together. A commitment to understanding customer needs and building solutions that create meaningful outcomes. * Strong systems-thinking capabilities that balance local decisions with broader platform impact. * Curiosity, adaptability, and a passion for learning and applying emerging technologies. * Comfort navigating ambiguity while maintaining focus on delivery and customer value. * A desire to create reusable, scalable solutions that enable teams and strengthen the overall product ecosystem. * Our Mission, Our People, Our Purpose At Frontline Education, we’re reimagining what’s possible by becoming an AI-first organization, transforming how we think, work, and serve the educators who shape our schools every day. By using AI in thoughtful, practical ways, we’re creating tools that help educators save time, gain insights, and focus more on what matters most — their students. As part of our team, you’ll be expected and empowered to build and apply AI skillsets that grow with you, because at Frontline Education, technology amplifies what matters most: the human drive to learn, improve, and make a difference. How We Support Growth, Balance, and Well-Being * Personalized Time Off: Take time when it’s needed most — whether that’s a family vacation, a reset day, or simply time to rest and refocus. * Paid Sick Time: Separate, dedicated sick leave to care for yourself or loved ones. * Volunteer Time Off: Paid time to give back and support causes that matter to you. * Ten Paid Holidays: Enjoy meaningful moments and traditions throughout the year. * Our Philosophy: We believe time away from work helps you bring your best self to it. Continuous Learning and Growth * World-Class Learning Access: Explore thousands of on-demand courses through platforms like LinkedIn Learning. * Leadership \& Technical Skill Building: Develop new capabilities and chart your own professional path. * AI Empowerment: Use OpenAI tools to build fluency with emerging technology and harness AI as a creative partner for innovation and problem-solving. * Tuition Reimbursement: Invest in formal education to advance your skills and career. * Ongoing Learning Culture: Participate in company-led webinars on AI, inclusion, and industry trends—designed to inspire curiosity and continuous improvement. Health, Happiness, and Purpose * Wellness Initiatives: Company-sponsored programs that support physical, mental, and emotional well-being. * Employee Assistance Program (EAP): Confidential support for you and your family’s needs. * Comprehensive Benefits: Health and financial benefits that support your happiness and future. * A Culture That Cares: At Frontline Education, we want every team member to learn, grow, and thrive—personally, professionally, and purposefully. Compensation \& Benefits The full base compensation range for the level I is: $95,000-$125,000 The full base compensation range for the level II is: $130,000-$150,000. Frontline offers a competitive compensation package designed to reward impact and support your well-being, including: * Competitive base salary aligned to level, experience, skills, and market data. * Annual bonus opportunity. * 401(k) with company match. * Comprehensive medical, dental, and vision coverage. * Employee stock purchase opportunities where applicable. * Tuition reimbursement and professional development support. * Flexible time off and wellness-focused benefits. * Inclusion, Belonging \& Equal Opportunity Frontline Education is an equal opportunity/affirmative action employer. We aspire to have an inclusive workplace and strongly encourage suitably qualified applicants from a wide range of backgrounds to apply and join our team. Our Privacy Policy: Your privacy is important to us. Click here to read our general Privacy Statement and click here to read our Applicant Privacy Statement. Interview Process \& Data Privacy As part of our interview process, Frontline uses video conferencing tools that include photo capture and may include automated transcription features. A screenshot or photo will be taken at the start of the interview for internal identification and record-keeping purposes only, and transcription may be used to support notetaking and evaluation consistency. These materials are used solely by our recruiting and hiring teams, stored securely, and not shared outside the hiring process. Candidates may opt out of transcription at any time by notifying their recruiter in advance. Frontline processes this information in accordance with applicable data privacy laws and only for legitimate business purposes related to recruitment and hiring. Our Privacy Policy: Your privacy is important to us. Click here to read our general Privacy Statement and click here to read our Applicant Privacy Statement.

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View Senior Staff Software Engineer, Backend (Platform - Core Automation)
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Senior Staff Software Engineer, Backend (Platform - Core Automation)

CoinbaseRemote - USAremote

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

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View Senior Staff Software Engineer, Backend (Platform - Core Automation)
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Senior Staff Software Engineer, Backend (Platform - Core Automation)

CoinbaseRemote - USAremote

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

7 months agovia universal intelligenceApply ›
View Senior Software Engineer, Core
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Senior Software Engineer, Core

SprigSan Francisco, CA, US

About Sprig --------------- Sprig is building the AI-native successor to legacy survey tools, like Qualtrics, Medallia, and SurveyMonkey. We believe the future of experience research won’t be powered by slow, siloed platforms. It will be fast, intelligent, and deeply integrated into how modern teams build great products. Our mission is to make deep customer understanding effortless and always on. With Sprig, product teams no longer guess. They know. We are creating a future where AI uncovers insights, accelerates workflows, and enables teams to deliver exceptional customer experiences in real-time. Companies like Notion, Figma, Coinbase, and TripAdvisor already use Sprig to stay closer to their customers than ever before. We’re scaling quickly toward $100M ARR, launching new AI-powered capabilities, and expanding our impact across the world’s most innovative companies. If you're energized by bold ideas, rapid growth, and the opportunity to redefine an entire category, we'd love to meet you. About the Role ------------------ Sprig is on a path to build a world-class product experience platform that empowers the best businesses to truly understand how their users experience their products at scale. The Core team owns the end-to-end experience for building studies and deploying them across our customers’ applications via an installable client-side SDK. Our full-stack engineers are responsible for architecting and building features across a JavaScript SDK client, the APIs that average thousands of requests per second, and the intuitive UI for building studies for our customers. You will coordinate web application releases and SDK versions across multiple platforms while prioritizing the developer experience for the thousands of devs who use them. Your work will impact millions of users worldwide. This role is based in San Francisco, with three days working in the office. Your Impact --------------- You'll be working as part of our highly experienced engineering team and jump in at the beginning to develop a world-class product Own the development and deployment of our publicly available SDKs used by millions of users Develop and optimize backend code where performance, scalability, and maintainability are key Design and build our React dashboard and endpoints to ensure high quality and quick page loads Contribute to product roadmap discussions as we grow and evolve the product Stay informed with industry best practices and provide guidance, inspiration, and mentorship in engineering excellence for cross-functional colleagues Your Strengths ------------------ Minimum 5+ years of experience Extensive experience deploying React production apps that are customer-facing and critical to the business Proven track record of writing high-quality software that has been deployed to production, following software development best practices Experience in diagnosing and fixing performance bottlenecks with instrumentation Passion for learning, building, and moving fast. We highly value your ability and appetite for learning Has been a technical mentor for teams in the past, where they have helped other team members be successful, and has the desire to continue doing so Excellent written and verbal communication skills to document and explain the technical work that has been done Experience with some of the technologies we use is desirable. Sprig's infrastructure runs on AWS and is built with React, Node.js, ClickHouse, and Postgres Compensation Range: $180K - $260K

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View Senior Software Engineer, Core Infrastructure
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Senior Software Engineer, Core Infrastructure

OktaNot specified

$144,000 - $194,000/yr

Get to know Okta Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box - we’re looking for lifelong learners and people who can make us better with their unique experiences. Join our team! We’re building a world where Identity belongs to you. Senior Software Engineer, Core Infrastructure Okta is the identity standard. The Okta Platform is an independent and neutral platform that securely connects the right people to the right technologies at the right time. We help organizations do two things - secure and manage their extended enterprise, and transform their users’ experiences. Okta's Core Engineering team is responsibl

JavaMySQL or equivalent relatio...KubernetesREST and gRPCSpring, Spring Boot, Hibern...+15 more
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View Senior Software Engineer, Core Identity (Auth0)
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Senior Software Engineer, Core Identity (Auth0)

OktaBarcelona, Spain

Get to know OktaOkta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of business security and growth.At Okta, we celebrate a variety of perspectives and experiences. We are not lookin

7 months agovia universal intelligenceApply ›
View Senior Staff Software Engineer, Backend (Platform - Core Automation)
C

Senior Staff Software Engineer, Backend (Platform - Core Automation)

CoinbaseRemote - USAremote

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

7 months agovia universal intelligenceApply ›
View Senior Software Engineer, Core Ex AI Team
I

Senior Software Engineer, Core Ex AI Team

InstacartUnited States - Remoteremote

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their

7 months agovia universal intelligenceApply ›
View Senior Software Engineer - Core Ledger
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Senior Software Engineer - Core Ledger

AlpacaRemoteremote

From $24/yr

Senior Software Engineer - Core Ledger Who We Are: Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, 24/5 trading, and more. Our recent Series C funding round brought our total investment to over $170 million, fueling our ambitious vision. Amongst our subsidiaries, Alpaca is a licensed financial services company, serving hundreds of financial institutions across 40 countries with our institutional-grade APIs. This includes broker-dealers, investment advisors, wealth managers, hedge funds, and crypto exchanges, totalling over 6 million brokerage accounts. Our global team is a diverse group of experienced engineers, traders, and brokerage professionals who are working to achieve our mission of opening financial services to everyone on the planet. We're deeply committed to open-source contributions and fostering a vibrant community, continuously enhancing our award-winning, developer-friendly API and the

GoprotobufgRPCGCPPostgreSQL
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View Senior Software Engineer, Core Services
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Senior Software Engineer, Core Services

RobloxSan Mateo, CA, United States

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people c

7 months agovia universal intelligenceApply ›
View Senior Software Engineer, Core Exchange
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Senior Software Engineer, Core Exchange

RobinhoodLjubljana, Slovenia

From $124/yr

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial s

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View Senior Software Engineer II, Core Experience
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Senior Software Engineer II, Core Experience

InstacartUnited States - Remoteremote

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their

7 months agovia universal intelligenceApply ›
View Senior Software Engineer, Java - Core Experience
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Senior Software Engineer, Java - Core Experience

The Core Experience Group is dedicated to the most impactful of user experiences at Squarespace, and is closely focused on the transformative potential of AI for our users. Core Experience touches all of the important moments in the user journey, from trial start to first sale, and well beyond. We are looking for an experienced Senior Backend Engineer to join our team, focusing on building and enhancing our AI roadmap. You will join a high-impact team instrumental to powering Squarespa

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View Senior Software Engineer, Core Experience
I

Senior Software Engineer, Core Experience

InstacartCanada - Remote (ON, AB, BC, or NS Only)remote

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their

7 months agovia universal intelligenceApply ›

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