Top Senior Software Engineer Jobs in Denver & Boulder, CO

Lead the evolution of the frontend platform, design complex user interfaces, provide technical leadership, and optimize CI/CD infrastructure for a scalable experience.

As a Senior Software Engineer (Backend), you will develop backend services for music technology, enhance system performance, and mentor junior developers.

Design and develop flight software for space systems, mentor engineers, and ensure adherence to software development principles in an Agile environment.

Lead the design and implementation of scalable monetization systems while mentoring engineers and driving technical strategy for revenue growth.

As a Software Engineer at Vercel, you will enhance and improve the CDN's performance, analyze web latency, and support a team of developers working primarily in Lua.

Lead innovations in data pipeline infrastructure, develop high-volume data services, and collaborate with engineers on architectural designs and documentation.

The role involves designing and maintaining a big data analytics platform, developing front-end and backend services, and collaborating with cross-functional teams to deliver high-performance solutions. A security clearance is required.

Develop satellite ground system software, perform full software life cycle functions, and establish effective working relationships within teams.

The Senior Backend Engineer will develop data collection applications, design architecture, create APIs, manage databases, and collaborate with teams to enhance software solutions.

As a Principal Flight Software Engineer, you will lead the architecture and development of flight software for space missions, ensuring safety and reliability while collaborating on technical decisions and standards.

As a Staff Flight Software Engineer, you will assist in the software development cycle, integrate GNC algorithms, maintain command telemetry databases, and develop reusable driver libraries for flight hardware.

As a Backend Engineer, you will design and implement core infrastructure for Vannevar's platform, ensuring standards for data processing, security compliance, and performance. You will collaborate with various teams to enhance shared infrastructure and lead technical initiatives.

The Software Engineer will develop application software, participate in requirements analysis, follow development processes, and maintain documentation and testing for software applications.

Design, build, test, and roll out backend features for Toast's payments platform. Deliver scalable, secure APIs, collaborate with PM/UX and cross-functional teams, implement automated tests, monitor releases, and participate in design and code reviews.

The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, lead data governance efforts, mentor engineers, and collaborate across teams to optimize data solutions using Snowflake and other big data tools.

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 develop enhancements for a sales planning application, focusing on RESTful APIs, front-end development, and data optimization.

As a Senior Software Engineer, you'll build systems for route planning, dispatch, and real-time tracking for various logistics and operations, improving dispatcher tools and user experiences.

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.

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 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.

Design, build, deploy, and maintain resilient, scalable backend and enterprise features across Toast’s platform. Lead complex projects, ensure quality with automated tests, roll out and monitor features, collaborate with UX/PM and cross-functional teams, and mentor other engineers.

The Senior Software Engineer, Android at Toast will lead the development and delivery of complex features, ensure best practices, mentor junior engineers, and engage in cross-team collaboration to enhance the Android platform for restaurants.

The Senior Software Engineer designs, develops, tests, and deploys software solutions. They maintain and debug software while ensuring alignment with customer needs and managing business risks.

The Sr. Software Engineer will design, develop, and test software applications for space systems, provide technical leadership, and collaborate with teams to ensure code quality and compliance.