Top Principal Engineer Jobs in Denver & Boulder, CO

The Principal Engineer will lead architecture vision for D2C platforms, emphasizing mobile-first design, AI integration, and scalable technical solutions. They'll mentor teams, champion modern design patterns, and drive innovation across products and systems.

Lead the engineering team to build consumer facing web applications, APIs, and ensure quality with a focus on automation, testing, and compliance.

Lead systems engineering tasks for tactical solutions flight systems, specializing in Phased Array and Satellite Communications technologies. Oversee hardware, software development, and provide technical expertise for proposals and analysis.

The Principal Software Engineer will lead initiatives driving revenue growth, oversee engineering solutions and teams, mentor engineers, and participate in code reviews.

The Senior Principal Engineer will design and implement complex systems for Fastly's edge software, lead technical strategy, collaborate across teams, and mentor engineers to uphold security and reliability standards while driving performance and innovation.

The Principal Motion Planning Engineer will lead algorithm development for motion planning in autonomous vehicles, manage projects, and mentor team members.

Lead the research and development of algorithms for motion planning in autonomous driving, integrating predictive systems and mentoring team members.

Lead the technical vision and architecture for machine learning and data systems, overseeing scalable infrastructure and collaboration across teams.

As a Principal Software Engineer - Storage at Wasabi, you'll design and improve storage software, addressing high reliability, security, and scalability in cloud storage services.

Lead the Partner Ecosystem Solutions at 1Password, defining integration strategies, developing prototypes, and ensuring secure, scalable implementations. Collaborate with multiple teams and represent 1Password’s vision in industry forums.

The Principal Cloud Network Engineer leads the architecture and deployment of cloud networking solutions, ensuring alignment with business strategies and technical requirements. They work with cross-functional teams and present recommendations to executive leadership, leveraging extensive expertise in cloud-native infrastructure and networking protocols.

As Principal Engineer, you will lead the development of the BrandVNO platform, enhancing SDK for innovative telecom solutions and ensuring system scalability.

As a Principal Backend Software Engineer, you'll design and develop core modules for the elluminate platform, engage in all software development lifecycle phases, and provide technical guidance and support to the Engineering team.

Design and test algorithms and systems for guidance, navigation and control in aerospace vehicles. Lead software development and ensure system performance through evaluation and testing.

As a Principal Full Stack Software Engineer, you will design and develop core modules for an analytics cloud platform, ensuring quality and efficiency throughout the lifecycle.

The Principal Systems Engineer will lead the development of complex system architectures and improve aerospace products and services, focusing on simulation, testing, and interdepartmental collaboration.

Lead the architectural strategy of Shipt's Member Marketplace, focusing on frontend engineering, performance, accessibility, and cross-platform UI design.

The Principal Software Engineer will develop and improve storage network protocols, mentor engineers, and ensure high quality and reliability of distributed systems.

The job involves verifying FPGA designs, developing test environments, and collaborating with engineers in a team-oriented setting to ensure successful project execution.

As a Principal DevOps Engineer, you'll manage AWS cloud environments, drive automation and CI/CD practices, and mentor junior team members to enhance operational efficiency and security.

Lead mobile software development as a Principal Mobile Software Engineer, driving technical strategy, building systems in React Native, and mentoring engineers to enhance user experience and scalability.

As a Principal Engineer on the PaaS team, you will drive architecture, mentor staff, and design large-scale systems for cloud services.

The Principal Engineer will develop and implement Signal and Power Integrity methodologies for high-speed FPGA products, conducting simulations and collaborating with teams to solve SIPI issues.

The Principal Engineer will design and lead R&D projects for timing systems, collaborating with cross-functional teams and ensuring project success.

As a Principal Engineer, you'll define the technical direction and architecture for Xero's Payments Platform while mentoring teams and ensuring operational excellence.