Top Principal Engineer Jobs in Seattle, WA

Lead technical innovation in Cloud Infrastructure Services, optimize performance for AI workloads, and mentor engineering teams. Architect cutting-edge infrastructure solutions and enhance hardware-software integration.

Lead the strategy and implementation of Observability solutions, ensuring alignment with business goals, and enhancing customer monitoring and reliability.

The Senior Principal Engineer will provide architectural oversight and technical leadership, focusing on large-scale distributed systems and resource efficiency. Responsibilities include collaborating across teams and defining scalable architectural strategies.

Lead the architecture and operation of Managed databases for AI workloads, ensuring high-scale, low-latency solutions while mentoring teams on best practices.

As a Principal Engineer for CoreWeave’s API Platform, you will shape the design and reliability of public APIs, enhance developer interfaces, and implement internal governance strategies, ensuring scalable and secure APIs for customer self-service.

The Senior Principal Engineer will design and maintain cloud infrastructure, mentor teams, and drive technical innovations for SoFi's developer platform.

As a Principal Engineer, you'll lead and guide technical strategies for the Policy Management team, developing cloud-based systems and mentoring engineers while ensuring project delivery and system scalability.

The Technology Resilience Principal will lead resilience functions, driving strategies for technical resilience across systems, ensuring service reliability, and disaster recovery.

The Principal Developer Productivity Engineer will enhance GM's developer tools, mentor engineers, and drive system performance through observability and software engineering best practices.

The Principal Engineer will lead the technical strategy and architectural decisions for the Endpoint Protection Product, focusing on Windows. Responsibilities include mentoring, performance optimization, and collaboration across teams while staying updated on security trends.

As a Principal Engineer, you will lead the technical development of a GPU inference platform, optimizing for latency and performance, while mentoring engineers and collaborating with cross-functional teams.

The Principal Software Engineer will design and implement scalable backend services, lead technical initiatives, and ensure high availability across critical systems.

As a Principal Software Engineer, you will lead development of mixed reality technologies, optimize game engine components, and mentor team members. Your role involves collaborating with cross-functional teams to enable immersive training and mission planning capabilities.

The Principal Software Engineer will architect and implement fraud detection and AML solutions, develop risk models, and optimize decision engines using advanced technologies and data analytics.

This role involves systems engineering for avionic systems, including system design, requirements analysis, testing, and customer communication. The engineer collaborates with Boeing and ensures compliance with regulatory standards.

Lead the technical strategy for developer tools in a financial services company, focusing on AI-enabled development practices. Responsibilities include architectural design, mentorship, and driving innovation in software development.

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

The Principal Software Engineer will design and implement systems for the advertiser experiences at Snap, lead technical vision, mentor engineers, and innovate on creator marketplace products.

Design and develop robust backend systems for the Prisma AIRS AI security platform, ensuring scalability and reliability while collaborating across teams.

The Principal Engineer in Billing Systems Design at T-Mobile leads the design and deployment of technical solutions, enhancing and evolving network systems while optimizing performance and cost efficiency. This role requires significant engineering expertise, innovation, and technical leadership to drive projects and mentor others.

The Principal Software Engineer leads the design and implementation of innovative full stack software solutions while mentoring junior engineers and ensuring scalable architecture.

Lead Nordstrom's platform security vision, establishing security principles and architectures, mentoring staff, and quantifying security investments against business risks.

The Sr. Principal Engineer leads the customer identity strategy, designs engaging customer experiences, and oversees architecture for customer data integration across various platforms.

The Principal Solutions Engineer will lead pre-sales efforts, understand customer needs, provide tailored solutions, and collaborate with sales teams to drive enterprise deals.

The Principal Full Stack Software Engineer will lead technical projects, tackle complex problems, mentor junior engineers, and improve architectural standards at Atlassian.