Top Senior Software Engineer Jobs in Denver & Boulder, CO

The Senior Software Engineer will develop scalable backend applications, enhance DevOps practices, drive architectural solutions, and improve system infrastructure in a collaborative environment.

The Senior Software Engineer will design and build cloud-native applications, mentor peers, implement CI/CD, and enhance service performance.

The Staff Software Engineer will lead the design of scalable data models and APIs, mentor engineers, and improve development practices while collaborating across products and teams in a remote capacity.

As a Senior Backend Engineer, you'll design and build distributed systems for the Retail Cash team, ensuring performance, accuracy, and availability of cash operations.

As a Senior Software Engineer on the PMI team, you'll design and develop backend systems, collaborate on API lifecycle, support team operations, and engage in team growth activities.

Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.

As a Senior Software Engineer, you will develop and scale communication systems, enhance engineering standards, and troubleshoot issues across the technology stack.

The Lead Software Engineer will design scalable distributed systems on AWS and Kubernetes, mentor engineers, and influence technical direction across teams while ensuring system performance and reliability for marketing intelligence products.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

The Senior Software Engineer will lead AI/ML projects, developing features and APIs primarily using Python and Go, ensuring operational excellence and collaboration for architectural solutions.

As a Staff Software Engineer, you'll design, build, and test Gusto's core platform services, mentor engineers, and collaborate with various teams to solve complex engineering problems.

Lead technical direction for software architecture and cross-team initiatives focusing on scaling consumer-facing systems and maximizing loan originations while maintaining compliance and system integrity.

Develop and implement AI solutions and backend services, mentor colleagues, and enhance systems reliability while addressing complex challenges in crypto compliance and customer support.

The Sr. Software Engineer will design, develop, and deliver scalable software systems, mentor teams, and lead technical solutions for ad platforms using Go and cloud technologies.

The Staff Software Engineer will design and develop operational code for satellite ground systems, troubleshoot issues, and support Agile Scrum projects.

Design and build frontend systems for new consumer credit experiences. Develop scalable services, collaborate on features, drive technical decisions, and apply AI workflows.

Lead the architectural design and development of a new consumer credit product, focusing on backend systems, distributed services, and integrating AI tools. Mentor team members and influence product direction through engineering insights.

Lead a team in developing full-stack SaaS solutions, driving architecture, mentoring engineers, and collaborating with product management to enhance the web app and tech stack.

As a Senior Software Engineer, you will design and develop borrower-facing solutions, improve user experiences, and lead high-impact projects. You will work across full-stack systems to enhance self-service and payment success for borrowers.

This role involves designing scalable data ingestion systems and building a centralized data lake on Apache Iceberg. Responsibilities include improving performance and reliability, collaborating with data engineers, and providing technical leadership.

As a Senior Software Engineer, you will enhance core communication systems by developing features across the stack and integrating with third-party services, ensuring reliability and scalability while debugging production issues.

The Staff Software Engineer will enhance observability, maintain CI/CD pipelines, and ensure system reliability, collaborating across teams for effective infrastructure management.

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

The Senior Software Engineer will develop and maintain data migration services, collaborating with teams, performing code reviews, and troubleshooting issues in a data-intensive application environment.

As a Senior Software Engineer in Infrastructure, you will enhance system reliability, improve infrastructure observability, build scalable solutions, and mentor junior engineers while collaborating with various teams.