Top Principal Engineer Jobs in Seattle, WA

Lead and manage a team developing ML models for self-driving vehicles, define motion planning projects, and collaborate with cross-functional teams to enhance performance.

Lead and develop Agentic AI solutions, mentor team members, collaborate on AI applications, and tackle complex challenges in cybersecurity.

The Principal Engineer will lead technical strategy for ad products, mentor teams, oversee significant engineering projects, and drive innovation in machine learning and advertising technology.

Lead the design and development of a Bitcoin-native Layer 2 payment network, overseeing architecture, mentoring engineers, and improving protocol infrastructure.

Lead the design of Xsolla's identity platform, develop Golang microservices for user management, and implement security protocols for compliance.

Lead the integration of AI in CPU/SoC design and verification. Build AI copilots for workflows, partner with EDA vendors, and define methodologies for CPU design improvement.

The Principal Engineer will define the technical vision, lead architecture and implementation of distributed systems, and mentor engineering teams.

As a Principal Software Engineer, you'll design scalable cloud storage architectures, optimize performance, and collaborate with teams to enhance storage solutions for AI workloads.

Lead the development of an AI framework for endpoint security, collaborate with teams, optimize solutions, and ensure model efficiency across various platforms.

The Principal Software Engineer will lead cross-team initiatives, define system architecture, mentor engineers, and engage in critical implementations to enhance reliability and team effectiveness.

Lead the CRM & MarTech engineering team, ensuring effective integrations and solutions that enhance client engagement, retention, and conversion while mentoring engineers and collaborating with marketing.

The Principal Engineer will lead the Behaviors team, focusing on ML model development for autonomous vehicle navigation, team management, and project execution.

Lead and mentor a team in developing motion planning software for autonomous vehicles, focusing on algorithms, safety, and collaboration.

As a Senior+ Engineer, you'll design and architect impactful open-source projects, lead teams, and contribute high-quality code within Canonical's global structure.

The Principal Engineer will lead back-end services development, AI/ML model creation, mentor engineers, and support product and business strategy to enhance experiences for users in fintech.

The Principal Site Reliability Engineer ensures SaaS products are fast and stable, optimizes performance, automates deployments, and champions best practices for system operations.

Develop and maintain trading applications and tools, translate trader strategies into technical requirements, and contribute to system architecture and code quality.

The role involves defining and implementing CPU system RTL, collaborating with teams on delivering functional and efficient CPU designs, and optimizing power, performance, and area.

The Principal Machine Learning Engineer will develop ML solutions using advanced models, collaborate with teams, and leverage cloud resources for applying ML products at scale.

Develop and maintain firmware for medical devices using C/C++. Collaborate on product designs, mentor engineers, and oversee V&V processes.

As a Principal Systems Engineer, you'll lead the development of complex medical device systems, integrating hardware and software, ensuring compliance with regulations and standards, and driving projects through the product lifecycle.

The NSOM Principal Systems Engineer will integrate design, test, and operational processes for spaceflight systems, focusing on safety and engineering accuracy. Responsibilities include anomaly resolution, certification compliance, and engineering process improvement.

The Principal Full Stack Cybersecurity Engineer will design, implement, and deploy secure systems while collaborating with various teams to ensure cybersecurity requirements are met. They will perform security assessments, lead incident responses, and enhance software products with a strong focus on security best practices.

Lead and mentor teams in developing high-quality software solutions, architect scalable products, and ensure best coding practices and agile methodologies are followed.

Seeking a Software Engineer with 7+ years in backend development to own and operate large-scale distributed services using technologies such as Java, Python, and Apache projects.