Top Software Engineer Jobs in Denver & Boulder, CO

Designs, develops, tests, and architects complex flight software for space systems. Responsibilities include writing maintainable code, collaborating on requirements, managing changes with version control, conducting code reviews, troubleshooting issues, documenting processes, and mentoring engineers. The role also provides technical leadership and contributes to innovative mission, spacecraft, and payload-control software solutions.

Build SDKs, self-service apps, and reusable abstractions for Coinbase's data platform. Develop data integration and processing tools, enable observability and security (cataloging, lineage, access controls), and collaborate with analysts, data scientists, and engineers to scale and operationalize data pipelines and models.

Join as a Software Engineer contributing end-to-end to Palantir products (Foundry, Gotham, Apollo). Write high-quality code, collaborate with cross-functional teams, engage with customers to understand problems, and iterate from design to shipping while learning from a dedicated mentor.

Contribute code to Palantir products (Gotham, Foundry, Apollo) as part of a small team. Participate across the product lifecycle, collaborate with cross-functional partners, learn from a mentor, and build scalable features used by diverse customers.

As a Software Engineer, you'll develop software using Ruby, Javascript, and support AWS infrastructure. Responsibilities include maintaining and building applications, contributing to high-end software releases, and mentoring other engineers.

The Software Engineer II role involves designing, developing, and testing software for space systems, ensuring high-quality code and collaboration within a team.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Develop scalable platforms, services, and internal tools for Revenue Cycle Management, supporting payments, claims submission, and operational workflows. Partner with engineering, product, design, operations, and business stakeholders to improve efficiency, reliability, and cost effectiveness. Drive software development through planning, execution, measurement, maintenance, and continuous improvement while supporting responsive, secure, and highly available systems.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Develop a platform for liquidity and loan collateralization. Responsibilities include building and integrating data pipelines, creating user experiences, and collaborating with teams for system design.

Lead UI architecture and design for responsive web applications; build reusable components with Angular/React/Vue and TypeScript/JavaScript; integrate UIs with RESTful microservices; enforce accessibility, security, testing, and CI/CD standards; mentor developers and collaborate with UX, backend, and DevOps teams in Agile environments.

Design, build, and maintain low-latency, highly available event-driven microservices for offers and bonus mechanics. Work full-stack on high-traffic systems, propose solutions, improve tooling, and deploy to distributed cloud infrastructure while collaborating with stakeholders and improving developer automation and CI workflows.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

The software engineer will build full-stack features for Kora's voice AI agent, integrating data, refining prompts, and expanding multi-modal capabilities while mentoring peers and ensuring technical quality.

Own and evolve the Subscriptions and Payments backend: design APIs, integrate providers, improve reliability and scalability, lead architecture and code reviews, collaborate cross-functionally, and participate in on-call rotations.

Develop and maintain web-based data conversion and ETL tools in an agile team. Design architectures, write complex SQL/stored procedures, build REST API-driven features and React front ends, optimize performance, maintain code quality/tests, participate in code reviews, and collaborate with cross-functional stakeholders.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Develop and support full-stack web features across frontend and backend; write maintainable, testable code; design interfaces and documentation; build and troubleshoot AI-enabled features using Python-based AI/agent frameworks; collaborate with cross-functional teams, participate in code reviews, and assist customer-facing teams to resolve technical issues.

Design, build, and maintain full-stack web and backend services for defense/intelligence customers. Develop containerized microservices, frontend applications, and backend APIs/message-bus integrations. Use CI/CD, Agile practices, monitoring and logging tools, and collaborate with distributed teams. Work requires active TS/SCI clearance and US citizenship.

Develop full‑stack web and backend microservices for defense/intelligence applications. Build containerized services, front‑end apps, APIs/message‑bus integrations, and support CI/CD, observability, and Agile team processes.

Lead front-end development of secure, mission-critical GUIs using TypeScript/Vue and Node.js. Contribute production code, review peers, maintain CI/CD, tests, and UI components, coordinate with UX, produce documentation, and work on-site in Colorado Springs. Requires security clearance.

Lead a team to develop user interfaces for mission-critical solutions. Responsibilities include code contributions, guidance, task assignments, and maintaining CI/CD pipelines.

Design, develop, test, and support Java-based software and algorithms for the C2BMC/BMDS. Produce software design artifacts, decompose system requirements, participate in Agile/Scrum, perform integration and test, and collaborate across multi-company teams.

The Software Engineer develops dynamic web and software applications for healthcare professionals using C#, ASP.Net, and SQL, ensuring adherence to technical requirements and standards.

The Software Engineer III will design, develop, and test software for space systems, mentor other engineers, and enhance CI/CD pipelines while ensuring security practices.