Top Principal Software Engineer Jobs in Denver & Boulder, CO

Lead technical vision and execution for enterprise-scale AI, automation, and data initiatives. Architect scalable, secure AI systems and data pipelines, mentor engineers, drive cross-functional alignment, and deliver high-impact production solutions that improve productivity and business outcomes.

The Principal Software Engineer will define technical roadmaps, guide system architecture, mentor leaders, and drive product direction in Capital Supply operations.

The Principal Software Engineer will architect and lead the development of scalable systems, drive technical excellence, mentor teams, and promote best practices at a fintech company.

The Principal Software Engineer will lead teams in developing full-stack applications, enhance services, drive architectural discussions, and mentor other engineers.

Lead design and operation of AI/ML platform, mentor engineers, ensure operational excellence, and collaborate on scalable technical roadmaps.

Design, develop, and test software applications for space systems, providing technical leadership and mentoring while ensuring code quality and scalability.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

The Principal Engineer will lead technical direction across multiple teams, design architecture for financial systems, mentor engineers, and drive multi-year transformations in the Money Group.

As a Principal Software Engineer, you will architect and develop virtualization technology for vehicle testing, mentor teams, and enhance code quality across GM products.

The Principal Software Engineer will set technical direction, own cross-team initiatives, evolve platform architecture, and lead experimentation efforts while mentoring others in the Personal Loans team.

Lead high-impact initiatives for a product platform, architecting security systems, mentoring engineers, and optimizing distributed infrastructures across teams.

The Principal Software Engineer will tackle platform-level challenges, assist team members, write secure and scalable code, and develop features for cloud storage solutions.

The Principal Software Engineer will lead AI automation efforts at Coinbase, designing AI-driven systems, mentoring teams, and solving complex AI challenges to improve operations and developer productivity.

Design and develop software applications for space systems, providing technical leadership and mentoring while ensuring high availability and security practices.

Lead the technical direction for a cross-functional pod, building cloud-native microservices and mentoring engineers while ensuring architectural integrity and operational efficiency.

Lead and manage a software engineering team while spending ~75% time hands-on developing high-performance C/C++ embedded and SoC software. Design and optimize rendering, simulation frameworks, GUIs, and real-time systems compliant with DO-178C and DoD cybersecurity/RMF. Own integration, testing, CI/CD, program reviews, and customer-facing technical coordination for military AR training systems.

As a Principal Software Engineer on the SRE team, lead best practices adoption, mentor engineers, and improve system reliability and user experience through automation and collaboration.

The Principal Software Engineer will develop solutions in Java and Spring Boot, mentor teams, go through implementation goals, and communicate with customers and internal teams to enhance product quality and customer experience.

Lead the architecture and implementation of scalable, reliable services for DigitalOcean's PaaS offerings, mentor engineers, and drive technical direction.

The role involves building and optimizing a machine learning and simulation platform, supporting MLOps, model deployment, and infrastructure modernization, while mentoring engineers.

As a Principal Mobile Software Engineer, you'll lead mobile platform development, scale React Native architecture, mentor engineers, and collaborate across teams to build impactful features.

Lead the technical vision and architecture of simulation software for spacecraft, focusing on multi-physics modeling and real-time execution, while driving engineering standards and mentoring teams.

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 Principal Software Engineer, you'll lead backend development, analyze system logic, troubleshoot software, and collaborate on cloud solutions.

The Senior Principal Software Engineer leads polyglot engineering teams, architects solutions, engages in client-facing roles, and mentors engineers to deliver scalable cloud applications.