Top Principal Software Engineer Jobs in Denver & Boulder, CO

Lead the technical vision for infrastructure platforms at Affirm, collaborating with engineers to deliver reliable, innovative solutions. Mentor junior engineers and manage complex engineering projects.

The Principal Software Engineer will design, develop, and maintain storage software while driving innovation and improving team processes.

The Principal Software Engineer will lead architectural decisions, mentor teams, drive innovation, and align technical strategy with business objectives at Kustomer.

Lead the technical direction and quality of Toast's POS payments workflows, mentor engineers, and drive improvements in architecture and codebase.

As a Principal Software Engineer, you will lead a team to develop high-performance software solutions, focusing on multi-target tracking, optimization, and customer engagement within mission-critical defense systems.

The Principal Software Engineer will lead technical and thought innovations for product features, mentor teams, and collaborate on system infrastructure and architecture, requiring a deep expertise in software and data technologies.

Lead the platform development while guiding cross-functional decisions at a fast-paced startup. Requires deep knowledge in web app production, particularly in backend languages and React/TypeScript.

As a Principal Software Engineer, you'll architect and lead complex implementations, improving the end-to-end architecture while mentoring engineers. You will collaborate closely with product, design, and tech teams on various innovative features.

The Principal Software Engineer will oversee large-scale engineering efforts, mentor others, collaborate on product vision, and ensure technical excellence in a high-performing team.

This role involves architecting and driving CI/CD infrastructure globally, leading DevOps operations, and ensuring code quality and developer productivity across enterprise infrastructure.

As a Principal Software Engineer, you'll define technical roadmaps, guide system architecture, mentor leaders, and identify impactful opportunities in Capital Supply operations.

This role involves leading the design and evolution of GitLab’s multi-tenant platform, ensuring high availability and performance while mentoring team members. Responsibilities include backend API design and fostering a collaborative engineering culture.

As a Principal Software Engineer, you will drive the full stack development and implement AI solutions, impacting healthcare positively.

The role involves accelerating payroll services through AI, designing multi-agent systems, collaborating with teams, and iterating on AI-driven features to improve customer outcomes.

The position involves developing high-quality embedded software, ensuring project execution, and supporting the software life cycle for tactical and space systems.

Seeking a Principal Engineer for embedded software development in space and tactical systems, requiring 6+ years of experience and leadership.

The Principal Engineer will develop high-quality embedded software for space and tactical systems, managing the entire software lifecycle, and collaborating with teams.

Support the design, development, integration, and testing of enterprise ground systems for satellite operations, ensuring effective management of requirements and project leadership.

The role involves engineering support for space vehicles, including design, integration, testing of ground systems, and project leadership.

The Principal Software Systems Engineer will design, develop, and integrate satellite ground systems while leading projects and guiding teams. Responsibilities include requirements management, technical problem-solving, and ensuring project completion under budget and schedule constraints.

The Principal Engineer will integrate software systems, perform full software life cycle functions, and develop high-quality software test infrastructure for tactical systems.

The Principal Engineer will integrate embedded software systems, support software development, manage the full software lifecycle, and maintain effective working relationships within teams.

The Principal Engineer will integrate and validate software systems, work on embedded software development, and manage the full software life cycle.

The role involves building data pipelines, optimizing data processes, and collaborating with data scientists in a fast-paced environment.

The Principal Software Engineer leads in developing high-performance web applications, architecting software solutions, mentoring engineers, and managing system quality and architecture.