Top Software Engineer Jobs in Denver & Boulder, CO

Build and scale consumer-facing mobile and web applications and backend services. Own features end-to-end across frontend and backend, optimize databases and queries, integrate third-party APIs, implement algorithms for risk and transaction evaluation, improve reliability and CI/CD, and contribute to testing, monitoring, and internal tools to support customer operations.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

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.

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 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.

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.

The Backend Software Engineer will develop data ingestion pipelines, implement observability tools, and provide technical support while improving team collaboration.

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.

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, build, and maintain Salesforce applications and integrations to support institutional sales, billing, and compliance. Own end-to-end feature delivery, collaborate with product and business stakeholders, ensure engineering quality through reviews and documentation, mentor junior engineers, and support operations via on-call rotations and incident triage.

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.

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

Build and maintain frontend and backend platform components using Python and TypeScript, support the open-source SDK, collaborate with engineering and AI teams, write tests and CI-friendly code, fix bugs, and participate in code reviews and mentorship.

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.

The Software Engineer develops web and software applications for MGMA utilizing C#, ASP.Net, SQL, and participates in an Agile development environment.

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.

Design, develop, test, and architect complex software systems for space and defense applications. Write maintainable code, use Git, participate in code reviews, troubleshoot issues, document processes, stay current with industry trends, and mentor junior engineers while collaborating in Agile teams.

Work on user-facing features built on the MongoDB query engine, implement and test C++ code, improve query performance and robustness, integrate query with other products, and participate in code reviews and design. Deliver new features, fix bugs, and mentor peers over time.

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.

Design, develop, and maintain front-end and back-end components of containerized microservices for defense/intelligence applications. Collaborate on APIs or message-bus architectures, use CI/CD and Agile practices, and operate in a distributed team environment while meeting security requirements.

As a Software Engineer, you'll design, build, and maintain IAM solutions, ensuring security and reliability while working with cloud computing standards.

Design, develop, test, and maintain enterprise backend services (Java/Spring Boot) and native or cross-platform mobile apps (iOS/Android). Build REST APIs, frontend interfaces, CI/CD pipelines, and ensure security, performance, and production support in an Agile environment.

The Software Engineer will design, maintain, and develop web solutions, focusing on real-time data and integrating geospatial data for front-end and back-end applications. Requires ownership of the software lifecycle, using modern frameworks and tools.

The role involves designing and implementing simulation software for spacecraft using C++ and collaborating on algorithms for orbital mechanics and control.