Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

The Senior Software Engineer will modernize USPS shipping technology, refactor legacy systems for cloud integration, and develop high-performance services using Go, while collaborating with teams and addressing production challenges.

Lead and grow strategic partnerships to drive adoption of EasyPost's developer-friendly shipping API. Collaborate cross-functionally with product and engineering, manage partner relationships, and contribute to go-to-market growth in a high-velocity startup environment.

Lead design, build, and operate scalable backend services and carrier integrations. Provide technical leadership, mentor engineers, drive architecture and best practices, write and test code, troubleshoot production incidents, and improve monitoring and reliability while collaborating with product and cross-functional teams.

Design, develop, and maintain production-scale APIs and distributed systems in Golang on Kubernetes. Provide technical leadership, participate in design reviews, write tests and documentation, collaborate cross-functionally, improve developer workflows including AI-assisted tooling, and support on-call operations.

As a Software Engineer III, you will design, develop, and maintain high-quality software solutions, collaborating with cross-functional teams to ensure scalability and performance.