Senior Software Developer Jobs

Senior Full Stack Software Developer/Engineer w/Poly

From $10/yr

What Impact You'll Have As a Senior Full Stack Soft w are Developer/Enginee r, you will perform as an individual contributor and team member focused on developing and refining a command-and-control platform used by a wide variety of stakeholders. Soliciting and incorporating user feedback is paramount in developing a superior product. Ideal candidates will have full stack development experience, with demonstrated skills developing front-end applications and user interfaces, as well as employing back-end technologies and programming languages. What You'll be Owning * Lead design and development of applications, tools, and user interfaces supporting advanced data processing and command-and-control workflows * Engage proactively with mission partners to understand operational use cases and convert high-level requirements into actionable features, work products, and technical specifications * Collaborate with internal and external engineering teams to define interface control documents (ICDs), subsystem behaviors, and integration patterns * Develop CONOPs, user guides, release notes, and technical artifacts supporting software delivery and stakeholder adoption * Architect and optimize large scale data analysis pipelines using Spark, OpenSearch/Elasticsearch, and distributed data technologies * Lead merge reviews, enforce coding standards, and guide peers in performance optimization and maintainability improvements * Build and refine back end services and APIs that support high-performance data workflows * Oversee testing strategies, diagnose complex issues, and ensure delivery of stable, high-reliability software * Mentor junior developers, foster a high performing engineering culture, and support professional growth across the team * Influence long-term technical direction, evaluate emerging technologies, and guide architectural decisions What You Must Have * Active TS/SCI with polygraph * 10+ years of software engineering experience in fast-paced, collaborative environments * Strong proficiency in Python and Java * Experience building React front end applications and Django back end services * Experience with DevOps workflows, CI/CD pipelines, and automated deployment * Full stack development experience across front end and back end systems * Recent experience building applications, analysis tools, or mission-focused software * Bachelor’s degree in Computer Science or related field What Would be Nice to Have * Knowledge of OpenSearch/Elasticsearch indexing, search, and analytics * Demonstrated ability to reverse engineer applications and understand legacy systems * Experience with messaging/task queues (Kafka, gRPC, Celery) * Proficiency with containerization (Docker, Kubernetes) * Experience with databases or data stores (MariaDB, MySQL, ValKey, PostgreSQL, Elasticsearch, InfluxDB, MongoDB) * Experience with Open Telemetry (OTel) or similar observability framework * Familiarity with collaboration and issue tracking tools such as GitLab, Jira, and Confluence #LI-PS1

Senior Software Engineer, Backend (Developer - Stablecoin Payments)

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

Senior Software Engineer, Fullstack (Developer - Stablecoin Payments)

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

Senior Software Engineering Manager, AI & Developer Productivity

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

Senior Software Engineer, Developer Monetization

$226,250 - $293,800/yr

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

Senior Software Engineer, Developer Monetization (C++)

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

Senior Software Engineer (Frontend) - Platform & Developer Experience (Lisbon)

Datadog’s Platform & Developer Experience teams build the foundational tools and systems that support every part of our product. As a Senior Frontend Engineer, you’ll design and maintain shared UI libraries, build pipelines, design systems, and developer tooling that hundreds of engineers rely on daily. You’ll work closely with frontend engineers across the company to understand their day-to-day workflows, identify pain points, and uncover opportunities for new features and improvements.

Senior Software Engineering Manager, AI & Developer Productivity

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

Senior Software Engineer, Backend (Developer - Stablecoin Payments)

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

Senior Software Engineer, Fullstack (Developer - Stablecoin Payments)

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

Senior Software Engineer, Backend (Developer - Foundations)

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

Senior Software Engineer, Backend (Developer Experience)

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

Senior Software Engineer, Fullstack (Developer - Onramp)

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

Senior Software Engineer (Frontend) - Platform & Developer Experience

Datadog’s Platform & Developer Experience teams build the foundational tools and systems that support every part of our product. As a Senior Frontend Engineer, you’ll design and maintain shared UI libraries, build pipelines, design systems, and developer tooling that hundreds of engineers rely on daily. You’ll work closely with frontend engineers across the company to understand their day-to-day workflows, identify pain points, and uncover opportunities for new features and improvements.

Senior Staff Software Engineer, Developer Infrastructure

$271,200 - $406,800/yr

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy wit

Senior Software Developer

PURPOSE OF THE ROLE The role is one which requires advanced skills and understanding of Software development, preferably with experience in Mendix software development or Rapid Development tools. The role also requires the candidate to show a strong administrative aptitude and ability to work alongside internal business customers. The Senior Software Developer is responsible for designing, developing, and maintaining high-quality software solutions that align with business objectives. This role requires advanced technical expertise, strong problem-solving capabilities, and the ability to mentor junior team members while driving engineering excellence across the development lifecycle. The Senior Software Developer is expected to operate autonomously, contribute to architectural decisions, and ensure the stability, scalability, and security of all deployed systems. MAIN FUNCTIONS OF THE JOB Development Architect, design, and implement robust, scalable, and maintainable software applications. Write clean, efficient, and well-documented code following industry best practices and internal standards to be implemented by the Application Development Manager. Conduct advanced debugging, optimisation, and performance tuning. Integrate software with APIs, databases, and external services. Lead complex technical initiatives and influence architectural direction. Review code for quality, correctness, security, and performance. Identify and resolve technical debt, vulnerabilities, and production issues. Provide on-call or after-hours support where required for critical systems. Mendix development – Feature Requests, Bug Fixes \& Business Project applications Troubleshooting user issues and resolution for all in house developed software systems. Help developers solve technical problems Understanding of Integration with other systems using Web Services Ad-Hoc understanding of other programming languages Working with Agile Planning tool within the Internal Development team Working with Business Analyst \& Test Analyst to ensure development delivery is on schedule Ad-Hoc Testing of Development teamwork Analyse the existing software systems, hardware systems, data, and business strategy and document an IT Roadmap for Mendix software applications, including hardware considerations. Prepares for database expansion by studying plans and requirements; advising senior technical management; coordinating design and programming. Keeps senior technical management informed by preparing reports on system performance and problems. Upgrade hardware and software by assessing transaction processing and database production options. Maintains database performance by troubleshooting problems. Accomplishes platform upgrades and improvements by supervising system programming. Internal Business Support 2nd Level Business Support on all Internal Business Applications Liaising with business on bugs and fixes of Internal Business Applications Working alongside other departments to ensure applications are bug free and developed to the optimal development standards Ad-Hoc training for business users SharePoint - development and/or configuration of SharePoint, testing and UAT as per user requests Mentor junior and intermediate developers, providing guidance, training, and best-practice coaching. Participate in technical interviews and talent development. Information Technology Manage risks associated with access to the information assets/systems. Document and ensure Solution Architecture is as per good IT practice. Ensure reliability and quality by writing unit tests, integration tests, and supporting CI/CD pipelines. Contribute to automation, monitoring, and observability improvements. Participate in deployment planning, release management, and post-deployment support. SKILLS REQUIREMENT Team worker and knowledge sharing amongst the team Good communication skills Active listening – ability to understand requirements Ability to communicate in English Strong analytical and strategic problem-solving skills. High level of ownership and accountability. Proactive problem solver Ability to work independently and as part of a team in a fast-paced environment. Self-motivated Conducts self professionally, exhibits high levels of tolerance and patience Responsible for continued learning and self-development All activities performed on time QUALIFICATIONS AND EXPERIENCE Matric Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience. 5–8+ years of professional software development experience. Proficiency in one or more major programming languages (e.g., Java, C#, Python, JavaScript, Mendix, etc.). Strong understanding of software design patterns, data structures, and algorithms. Experience with cloud platforms (AWS, Azure, GCP) and containerisation (Docker/Kubernetes). Strong knowledge of database design (SQL/PostgreSQL). Familiarity with CI/CD, version control (Git), and automated testing. Understanding of Agile development methodologies Knowledge of internet protocols eg. SNMP, SMTP \& IMAP preferable Knowledge of systems integration using REST \& SOAP Web Services Preference will be given to candidates who have: previous software development experience and understanding of rapid development tools; * a certification in Rapid development tools (eg Mendix Rapid Developer)

Senior Software Engineering Manager, AI & Developer Productivity

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

Senior Software Developer

PURPOSE OF THE ROLE The role is one which requires advanced skills and understanding of Software development, preferably with experience in Mendix software development or Rapid Development tools. The role also requires the candidate to show a strong administrative aptitude and ability to work alongside internal business customers. The Senior Software Developer is responsible for designing, developing, and maintaining high-quality software solutions that align with business objectives. This role requires advanced technical expertise, strong problem-solving capabilities, and the ability to mentor junior team members while driving engineering excellence across the development lifecycle. The Senior Software Developer is expected to operate autonomously, contribute to architectural decisions, and ensure the stability, scalability, and security of all deployed systems. MAIN FUNCTIONS OF THE JOB Development Architect, design, and implement robust, scalable, and maintainable software applications. Write clean, efficient, and well-documented code following industry best practices and internal standards to be implemented by the Application Development Manager. Conduct advanced debugging, optimisation, and performance tuning. Integrate software with APIs, databases, and external services. Lead complex technical initiatives and influence architectural direction. Review code for quality, correctness, security, and performance. Identify and resolve technical debt, vulnerabilities, and production issues. Provide on-call or after-hours support where required for critical systems. Mendix development – Feature Requests, Bug Fixes \& Business Project applications Troubleshooting user issues and resolution for all in house developed software systems. Help developers solve technical problems Understanding of Integration with other systems using Web Services Ad-Hoc understanding of other programming languages Working with Agile Planning tool within the Internal Development team Working with Business Analyst \& Test Analyst to ensure development delivery is on schedule Ad-Hoc Testing of Development teamwork Analyse the existing software systems, hardware systems, data, and business strategy and document an IT Roadmap for Mendix software applications, including hardware considerations. Prepares for database expansion by studying plans and requirements; advising senior technical management; coordinating design and programming. Keeps senior technical management informed by preparing reports on system performance and problems. Upgrade hardware and software by assessing transaction processing and database production options. Maintains database performance by troubleshooting problems. Accomplishes platform upgrades and improvements by supervising system programming. Internal Business Support 2nd Level Business Support on all Internal Business Applications Liaising with business on bugs and fixes of Internal Business Applications Working alongside other departments to ensure applications are bug free and developed to the optimal development standards Ad-Hoc training for business users SharePoint - development and/or configuration of SharePoint, testing and UAT as per user requests Mentor junior and intermediate developers, providing guidance, training, and best-practice coaching. Participate in technical interviews and talent development. Information Technology Manage risks associated with access to the information assets/systems. Document and ensure Solution Architecture is as per good IT practice. Ensure reliability and quality by writing unit tests, integration tests, and supporting CI/CD pipelines. Contribute to automation, monitoring, and observability improvements. Participate in deployment planning, release management, and post-deployment support. SKILLS REQUIREMENT Team worker and knowledge sharing amongst the team Good communication skills Active listening – ability to understand requirements Ability to communicate in English Strong analytical and strategic problem-solving skills. High level of ownership and accountability. Proactive problem solver Ability to work independently and as part of a team in a fast-paced environment. Self-motivated Conducts self professionally, exhibits high levels of tolerance and patience Responsible for continued learning and self-development All activities performed on time QUALIFICATIONS AND EXPERIENCE Matric Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience. 5–8+ years of professional software development experience. Proficiency in one or more major programming languages (e.g., Java, C#, Python, JavaScript, Mendix, etc.). Strong understanding of software design patterns, data structures, and algorithms. Experience with cloud platforms (AWS, Azure, GCP) and containerisation (Docker/Kubernetes). Strong knowledge of database design (SQL/PostgreSQL). Familiarity with CI/CD, version control (Git), and automated testing. Understanding of Agile development methodologies Knowledge of internet protocols eg. SNMP, SMTP \& IMAP preferable Knowledge of systems integration using REST \& SOAP Web Services Preference will be given to candidates who have: previous software development experience and understanding of rapid development tools; * a certification in Rapid development tools (eg Mendix Rapid Developer)

End-to-End Software Developer (Senior) - 26-00859

Job Title: End-to-End Software Developer (Senior) ------------------------------------------------------- Location: New York, NY Duration: 12+ Months (Long-Term) ### Position Overview A public-sector organization is seeking a Senior End-to-End Software Developer to design, develop, and deploy modern, secure, web-based enterprise applications. These systems support the full lifecycle management of permits, licenses, inspections, and public infrastructure assets, providing both customer-facing portals and internal administrative platforms. The role involves building highly available, accessible applications that enable external users to submit applications and documents, while internal users manage approvals, inspections, compliance, payments, asset tracking, and reporting. Solutions include integrated mapping, document management, workflow automation, and secure bi-directional communication. ### Key Responsibilities Design, develop, and deploy secure, scalable, web-based applications using modern Microsoft technologies Perform detailed application design, database design, coding, and unit, integration, and performance testing Develop complex application modules using .NET 4.8, ASP.NET, .NET Core, C#, n-Tier architecture, SOA, and XML/JSON-based web services Implement web user interfaces using Razor, MVC/MVVM, AJAX, HTML5, CSS, and JavaScript frameworks (React, Angular, Backbone) Design and manage relational databases, including normalization, stored procedures, and T-SQL development using SQL Server (2017/2019) and Azure SQL Build applications with secure authentication, authorization, and role-based access control Develop and integrate mapping and geospatial features within web applications Generate reports using SQL Server Reporting Services (SSRS) and perform data migration and transformation using SSIS Implement configuration management, CI/CD pipelines, and version control using Azure DevOps Develop and integrate web services using WCF Adhere to SDLC methodologies including Waterfall, RUP, and Agile Create and maintain technical documentation, including application architecture, use case diagrams, and design artifacts Collaborate with business analysts, QA teams, and fellow developers throughout the development lifecycle Participate in technical reviews, troubleshooting, and solution design discussions Research and recommend technical solutions and best practices ### Mandatory Skills \& Experience Minimum 5 years of experience in application development, data analysis, database design, testing, implementation, and documentation Strong experience designing and implementing software solutions across enterprise environments Hands-on experience with object-oriented programming and full application lifecycle delivery ### Preferred Qualifications Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) Advanced certifications or formal training in application development Microsoft Certified Professional (preferred) 5+ years of experience in object-oriented design, development, testing, and deployment of mission-critical applications 3–5 years of hands-on experience with: + C#, ASP.NET, ADO.NET, MVC, WCF, WPF + HTML5, AJAX, JavaScript, jQuery, Entity Framework, LINQ, Redux + Visual Studio 2017/2019/2022 4+ years of experience with: + SQL Server (2014/2017/2019) + Database design, normalization, T-SQL, stored procedures + SSIS and data modeling tools (ERwin, ERStudio) Experience with GIS and map-based applications using ArcGIS, OpenLayers, Mapbox, or similar tools Strong experience with Azure DevOps, TFS, or equivalent ALM tools Proficiency with responsive design frameworks such as Bootstrap Experience developing mobile or disconnected applications Experience integrating online payment systems Knowledge of Business Intelligence and decision support systems * Prior experience working on public-sector or regulated enterprise systems is a plus

Senior Software Developer - Cutting Edge Aerospace & Defense Technology - (5+ years' experience)

From $80,000/yr

Senior Software Developer -Cutting-Edge Aerospace \& Defense Technology Location: Kansas City, MO Job Type: Full-Time Industry: Aerospace, Defense \& Industrial Test Systems Citizenship: U.S. Citizenship Required DIT-MCO International is seeking a Senior Software Developer to lead the design and development of software that powers mission-critical aerospace and defense test systems. This role is ideal for a hands-on technical leader who enjoys solving complex problems, shaping software architecture, and mentoring others—while still writing real code. Why This Role Stands Out Lead software architecture for advanced automated test systems Work at the intersection of software, embedded systems, and hardware Influence product direction from concept through deployment Join a stable, innovation-driven company with 75+ years in aerospace \& defense \ What You’ll Do Design, develop, and maintain software using Microsoft .NET, Visual Studio (C#), and embedded C++ Own key software architecture decisions and ensure alignment with system requirements Enhance and support legacy software used in automated test equipment Collaborate closely with hardware engineers, project managers, and product teams Troubleshoot complex software and system-level issues Mentor and guide developers through technical leadership and code reviews Contribute as a subject matter expert in core technologies \ What You Bring Bachelor’s degree in Engineering, Computer Science, or equivalent experience 5+ years of professional software development experience Strong experience with .NET / C#, Visual Studio, and maintaining embedded C++ code Familiarity with ANSI C, WPF, SQL, or test systems is a plus Excellent problem-solving and communication skills Comfortable working independently while leading within a team Ability to handle sensitive information with discretion DIT-MCO offers competitive pay, strong benefits, and the opportunity to work on products that support critical aerospace and defense missions worldwide. >Apply today and take a leading role in building the software behind mission-critical test systems. Job Type: Full-time Pay: $80,000.00 - $110,000.00 per year Benefits: 401(k) 401(k) matching Dental insurance Employee assistance program Flexible spending account Health insurance Health savings account Paid holidays Paid time off Tuition reimbursement Vision insurance Application Question(s): Please briefly explain your experience in .NET / C#, Visual Studio and Maintaining embedded C++ Code. Experience: professional software development : 5 years (Preferred) Ability to Commute: Kansas City, MO 64130 (Required) Work Location: In person

Senior Software Engineer, AI Developer Experience

Senior Software Engineer, Fullstack (Developer - Onramp)

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

Senior Software Developer, Backend

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

Senior Software Engineer, Backend (Developer - Foundations)

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

Senior Software Engineer (Frontend) - Platform & Developer Experience

Datadog’s Platform & Developer Experience teams build the foundational tools and systems that support every part of our product. As a Senior Frontend Engineer, you’ll design and maintain shared UI libraries, build pipelines, design systems, and developer tooling that hundreds of engineers rely on daily. You’ll work closely with frontend engineers across the company to understand their day-to-day workflows, identify pain points, and uncover opportunities for new features and improvements.

Senior Software Engineer, Backend (Developer - Stablecoin Payments)

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

Senior Software Engineer, Backend (Developer - Foundations)

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

Senior Software Engineer, Fullstack (Developer - Stablecoin Payments)

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

Senior Software Engineer, Fullstack (Developer - Onramp)

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

Senior Software Engineer, Backend (Developer Experience)

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

Senior Software Engineer, Fullstack (Developer - CDP API)

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

Senior Software Engineer, Frontend - Developer Experience, Mobile

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

Senior Software Engineer, Developer Monetization (C++)

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

Senior Staff Software Engineer, Developer Infrastructure

$271,200 - $406,800/yr

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy wit

Senior Software Engineer (Frontend) - Platform & Developer Experience

Datadog’s Platform & Developer Experience teams build the foundational tools and systems that support every part of our product. As a Senior Frontend Engineer, you’ll design and maintain shared UI libraries, build pipelines, design systems, and developer tooling that hundreds of engineers rely on daily. You’ll work closely with frontend engineers across the company to understand their day-to-day workflows, identify pain points, and uncover opportunities for new features and improvements.

Senior Software Engineer (Frontend) - Platform & Developer Experience (Lisbon)

Datadog’s Platform & Developer Experience teams build the foundational tools and systems that support every part of our product. As a Senior Frontend Engineer, you’ll design and maintain shared UI libraries, build pipelines, design systems, and developer tooling that hundreds of engineers rely on daily. You’ll work closely with frontend engineers across the company to understand their day-to-day workflows, identify pain points, and uncover opportunities for new features and improvements.

Senior Software Engineer, Developer Monetization

$226,250 - $293,800/yr

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

Senior Software Engineering Manager, AI & Developer Productivity

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

Senior Staff Software Engineer, Developer Productivity Async

$200,000 - $230,000/yr

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff—like payroll, health insurance, 401(k)s, and HR—so owners can focus on their craft and customers. With teams in Denver, San Francisco, and New York, we’re proud to support more than 400,000 small businesses across the country, and we’re building a workplace that repr

End-to-End Software Developer (Senior) - 26-00859

Job Title: End-to-End Software Developer (Senior) ------------------------------------------------------- Location: New York, NY Duration: 12+ Months (Long-Term) ### Position Overview A public-sector organization is seeking a Senior End-to-End Software Developer to design, develop, and deploy modern, secure, web-based enterprise applications. These systems support the full lifecycle management of permits, licenses, inspections, and public infrastructure assets, providing both customer-facing portals and internal administrative platforms. The role involves building highly available, accessible applications that enable external users to submit applications and documents, while internal users manage approvals, inspections, compliance, payments, asset tracking, and reporting. Solutions include integrated mapping, document management, workflow automation, and secure bi-directional communication. ### Key Responsibilities Design, develop, and deploy secure, scalable, web-based applications using modern Microsoft technologies Perform detailed application design, database design, coding, and unit, integration, and performance testing Develop complex application modules using .NET 4.8, ASP.NET, .NET Core, C#, n-Tier architecture, SOA, and XML/JSON-based web services Implement web user interfaces using Razor, MVC/MVVM, AJAX, HTML5, CSS, and JavaScript frameworks (React, Angular, Backbone) Design and manage relational databases, including normalization, stored procedures, and T-SQL development using SQL Server (2017/2019) and Azure SQL Build applications with secure authentication, authorization, and role-based access control Develop and integrate mapping and geospatial features within web applications Generate reports using SQL Server Reporting Services (SSRS) and perform data migration and transformation using SSIS Implement configuration management, CI/CD pipelines, and version control using Azure DevOps Develop and integrate web services using WCF Adhere to SDLC methodologies including Waterfall, RUP, and Agile Create and maintain technical documentation, including application architecture, use case diagrams, and design artifacts Collaborate with business analysts, QA teams, and fellow developers throughout the development lifecycle Participate in technical reviews, troubleshooting, and solution design discussions Research and recommend technical solutions and best practices ### Mandatory Skills \& Experience Minimum 5 years of experience in application development, data analysis, database design, testing, implementation, and documentation Strong experience designing and implementing software solutions across enterprise environments Hands-on experience with object-oriented programming and full application lifecycle delivery ### Preferred Qualifications Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) Advanced certifications or formal training in application development Microsoft Certified Professional (preferred) 5+ years of experience in object-oriented design, development, testing, and deployment of mission-critical applications 3–5 years of hands-on experience with: + C#, ASP.NET, ADO.NET, MVC, WCF, WPF + HTML5, AJAX, JavaScript, jQuery, Entity Framework, LINQ, Redux + Visual Studio 2017/2019/2022 4+ years of experience with: + SQL Server (2014/2017/2019) + Database design, normalization, T-SQL, stored procedures + SSIS and data modeling tools (ERwin, ERStudio) Experience with GIS and map-based applications using ArcGIS, OpenLayers, Mapbox, or similar tools Strong experience with Azure DevOps, TFS, or equivalent ALM tools Proficiency with responsive design frameworks such as Bootstrap Experience developing mobile or disconnected applications Experience integrating online payment systems Knowledge of Business Intelligence and decision support systems * Prior experience working on public-sector or regulated enterprise systems is a plus

End-to-End Software Developer (Senior) - 26-00859

Job Title: End-to-End Software Developer (Senior) ------------------------------------------------------- Location: New York, NY Duration: 12+ Months (Long-Term) ### Position Overview A public-sector organization is seeking a Senior End-to-End Software Developer to design, develop, and deploy modern, secure, web-based enterprise applications. These systems support the full lifecycle management of permits, licenses, inspections, and public infrastructure assets, providing both customer-facing portals and internal administrative platforms. The role involves building highly available, accessible applications that enable external users to submit applications and documents, while internal users manage approvals, inspections, compliance, payments, asset tracking, and reporting. Solutions include integrated mapping, document management, workflow automation, and secure bi-directional communication. ### Key Responsibilities Design, develop, and deploy secure, scalable, web-based applications using modern Microsoft technologies Perform detailed application design, database design, coding, and unit, integration, and performance testing Develop complex application modules using .NET 4.8, ASP.NET, .NET Core, C#, n-Tier architecture, SOA, and XML/JSON-based web services Implement web user interfaces using Razor, MVC/MVVM, AJAX, HTML5, CSS, and JavaScript frameworks (React, Angular, Backbone) Design and manage relational databases, including normalization, stored procedures, and T-SQL development using SQL Server (2017/2019) and Azure SQL Build applications with secure authentication, authorization, and role-based access control Develop and integrate mapping and geospatial features within web applications Generate reports using SQL Server Reporting Services (SSRS) and perform data migration and transformation using SSIS Implement configuration management, CI/CD pipelines, and version control using Azure DevOps Develop and integrate web services using WCF Adhere to SDLC methodologies including Waterfall, RUP, and Agile Create and maintain technical documentation, including application architecture, use case diagrams, and design artifacts Collaborate with business analysts, QA teams, and fellow developers throughout the development lifecycle Participate in technical reviews, troubleshooting, and solution design discussions Research and recommend technical solutions and best practices ### Mandatory Skills \& Experience Minimum 5 years of experience in application development, data analysis, database design, testing, implementation, and documentation Strong experience designing and implementing software solutions across enterprise environments Hands-on experience with object-oriented programming and full application lifecycle delivery ### Preferred Qualifications Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) Advanced certifications or formal training in application development Microsoft Certified Professional (preferred) 5+ years of experience in object-oriented design, development, testing, and deployment of mission-critical applications 3–5 years of hands-on experience with: + C#, ASP.NET, ADO.NET, MVC, WCF, WPF + HTML5, AJAX, JavaScript, jQuery, Entity Framework, LINQ, Redux + Visual Studio 2017/2019/2022 4+ years of experience with: + SQL Server (2014/2017/2019) + Database design, normalization, T-SQL, stored procedures + SSIS and data modeling tools (ERwin, ERStudio) Experience with GIS and map-based applications using ArcGIS, OpenLayers, Mapbox, or similar tools Strong experience with Azure DevOps, TFS, or equivalent ALM tools Proficiency with responsive design frameworks such as Bootstrap Experience developing mobile or disconnected applications Experience integrating online payment systems Knowledge of Business Intelligence and decision support systems * Prior experience working on public-sector or regulated enterprise systems is a plus

End-to-End Software Developer (Senior) - 26-00859

Job Title: End-to-End Software Developer (Senior) ------------------------------------------------------- Location: New York, NY Duration: 12+ Months (Long-Term) ### Position Overview A public-sector organization is seeking a Senior End-to-End Software Developer to design, develop, and deploy modern, secure, web-based enterprise applications. These systems support the full lifecycle management of permits, licenses, inspections, and public infrastructure assets, providing both customer-facing portals and internal administrative platforms. The role involves building highly available, accessible applications that enable external users to submit applications and documents, while internal users manage approvals, inspections, compliance, payments, asset tracking, and reporting. Solutions include integrated mapping, document management, workflow automation, and secure bi-directional communication. ### Key Responsibilities Design, develop, and deploy secure, scalable, web-based applications using modern Microsoft technologies Perform detailed application design, database design, coding, and unit, integration, and performance testing Develop complex application modules using .NET 4.8, ASP.NET, .NET Core, C#, n-Tier architecture, SOA, and XML/JSON-based web services Implement web user interfaces using Razor, MVC/MVVM, AJAX, HTML5, CSS, and JavaScript frameworks (React, Angular, Backbone) Design and manage relational databases, including normalization, stored procedures, and T-SQL development using SQL Server (2017/2019) and Azure SQL Build applications with secure authentication, authorization, and role-based access control Develop and integrate mapping and geospatial features within web applications Generate reports using SQL Server Reporting Services (SSRS) and perform data migration and transformation using SSIS Implement configuration management, CI/CD pipelines, and version control using Azure DevOps Develop and integrate web services using WCF Adhere to SDLC methodologies including Waterfall, RUP, and Agile Create and maintain technical documentation, including application architecture, use case diagrams, and design artifacts Collaborate with business analysts, QA teams, and fellow developers throughout the development lifecycle Participate in technical reviews, troubleshooting, and solution design discussions Research and recommend technical solutions and best practices ### Mandatory Skills \& Experience Minimum 5 years of experience in application development, data analysis, database design, testing, implementation, and documentation Strong experience designing and implementing software solutions across enterprise environments Hands-on experience with object-oriented programming and full application lifecycle delivery ### Preferred Qualifications Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) Advanced certifications or formal training in application development Microsoft Certified Professional (preferred) 5+ years of experience in object-oriented design, development, testing, and deployment of mission-critical applications 3–5 years of hands-on experience with: + C#, ASP.NET, ADO.NET, MVC, WCF, WPF + HTML5, AJAX, JavaScript, jQuery, Entity Framework, LINQ, Redux + Visual Studio 2017/2019/2022 4+ years of experience with: + SQL Server (2014/2017/2019) + Database design, normalization, T-SQL, stored procedures + SSIS and data modeling tools (ERwin, ERStudio) Experience with GIS and map-based applications using ArcGIS, OpenLayers, Mapbox, or similar tools Strong experience with Azure DevOps, TFS, or equivalent ALM tools Proficiency with responsive design frameworks such as Bootstrap Experience developing mobile or disconnected applications Experience integrating online payment systems Knowledge of Business Intelligence and decision support systems * Prior experience working on public-sector or regulated enterprise systems is a plus

Senior Software Engineer, Frontend - Developer Experience, Mobile

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

Senior Full-Stack Software Developer

Senior Full-Stack Software Developer 🔥 Since our Series A last year, we've become one of the fastest-growing startups to hit Series-B metrics, and now we're hiring for a Senior Full-Stack Software Developer to join our team to work on building the foundations of our products and vision. We're looking for talented and motivated developers with 4+ years of experience. Our developers own products from end-to-end. If you're interested in building elegant software with far-reaching effects in our modern healthcare landscape, join us! What You'll Do - Design initial feature specifications. - Build robust backend APIs. - Write intuitive frontend code. - Oversee ongoing improvements for launched products. - Drive projects from concept to completion in an environment of autonomy and creativity. - Shape not just our product, but our culture: who you work with, and how we all work together. - Make foundational technical decisions critical to the company's success. - Work incredibly closely with c

Senior Software Engineer, Backend (Developer Experience)

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

Senior Software Engineer, Backend (Developer - Stablecoin Payments)

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

Senior Software Engineer, Backend (Developer - Foundations)

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

Senior Software Engineer, Fullstack (Developer - CDP API)

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

Senior Software Engineer, Fullstack (Developer - Stablecoin Payments)

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

Senior Software Engineering Manager, AI & Developer Productivity

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