Top Principal Engineer Jobs in Denver & Boulder, CO

Lead high-impact platform initiatives for GitLab's multi-tenant SaaS infrastructure. Drive modernization and mentor senior engineers while aligning architecture with business objectives.

Lead a team of electrical engineers to develop electronic control systems for high precision mechatronic applications, ensuring reliability and performance across various stages of the project life cycle.

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 a team of electrical engineers through the program life cycle to develop electronic control systems for complex, high-precision applications, ensuring technical leadership and expertise in space-based electronics systems.

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

The Principal Software Engineer will lead engineering teams to develop scalable workflow solutions, mentor engineers, and drive architectural improvements.

Design and develop enterprise application systems. Improve system applications focusing on performance, reliability, and security. Mentor junior engineers and ensure adherence to best practices.

As a Senior Principal Systems Engineer, you will design radar systems, lead algorithm development, collaborate with teams, and validate system performance.

Lead the telecom subsystem design and integration for space vehicle development, managing a technical team and ensuring effective communication systems throughout the project lifecycle.

As a Principal Systems Engineer, you'll design, create, and support systems for content delivery. Responsibilities include planning, mentoring, developing monitoring solutions, and coordinating with vendors.

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.

Lead and advise teams on modeling, simulation, and analysis of RF systems; evaluate capabilities and recommend improvements for sensor data processing.

Join Capital One as a Principal Software Engineer to design and develop cloud-based solutions, lead Agile teams, and mentor peers in technology and data management.

As a Principal SRE, you will drive reliability practices for the Identity Security Cloud platform, coach teams, manage architecture and capacity, and provide technical leadership while improving operational excellence.

As a Principal Engineer at Recurly, you will provide technical leadership, mentor engineers, design architecture, and ensure software quality across teams. You’ll collaborate on features, optimize performance, and champion best practices.

As a Principal Systems Engineer, you will lead R&D programs in timing and communications systems, collaborate across teams, and engineer embedded solutions.

Lead the telecom subsystem design and technical team for space vehicles, manage requirements and integration, and ensure system performance and compliance.

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.

As a Principal DevOps Engineer, you will implement and maintain a platform, troubleshoot issues, streamline deployment processes, and work collaboratively across teams using advanced DevOps practices.

Drive the adoption of MongoDB by engaging senior technical leaders at Fortune 1000 companies, conducting education sessions, and contributing to thought leadership.

Lead the analysis, design, and implementation of software systems, ensuring scalability, reliability, and high code quality while mentoring team members.

As a Principal Engineer, you will lead and design APIs and services, mentor code standards, and tackle complex tech challenges in a remote-first environment.

As a Solutions Architect, you will design and implement solutions, mentor teams, manage client relationships, and oversee project delivery while collaborating with various stakeholders.