Top Staff Software Engineer Jobs in Seattle, WA

Lead the architectural direction and innovations for AI-powered software testing, mentoring engineers, driving best practices, and enhancing product reliability in a collaborative environment.

Lead the design of distributed systems, drive large initiatives, and enhance technical architecture at Whatnot, fostering rapid growth and stability.

The Senior Staff Software Engineer will lead the architecture and implementation of AI-powered developer tools and workflows in a cloud environment. Responsibilities include mentoring, driving innovation, managing project delivery, and fostering a culture of continuous improvement.

Lead the development of a PostgreSQL-based time-series storage engine, optimizing performance and mentoring a team while maintaining legacy systems.

The Senior AI Software Engineer will design and build secure systems for high value senders, focusing on trust and reliability in financial transactions. Responsibilities include technical design, system architecture, team mentoring, and using AI tools to enhance software delivery.

The Senior Staff Engineer will architect and develop SoFi Invest's systems, mentor engineers, and lead best practices in development and deployment.

The Staff Software Engineer will design and implement backend services for Snap's Growth Notifications, focusing on scalability, reliability, and technical direction. Responsibilities include owning system architecture and collaborating on cross-functional initiatives.

The Staff Software Engineer will own user-facing product areas, lead initiatives across frontend and backend, and mentor team members to enhance product quality and engineering standards.

You will own frontend systems, lead initiatives in UX and performance, uphold standards, and mentor engineers to enhance quality.

Lead design and implementation of backend services for a lending platform, improving engineering practices through collaboration and mentorship.

The Staff Software Engineer will lead the design and implementation of backend services for the lending platform, collaborate with cross-functional teams, and ensure the quality and reliability of engineering practices.

Drive the design and development of AI and ML solutions for member growth, leading technical architecture and mentoring engineers while focusing on advanced personalization and collaboration across teams.

Drive technical leadership for ML-driven distributed systems at Chewy. Collaborate with cross-functional teams and mentor engineers in scalable software design, ensuring system excellence.

The Staff Software Engineer will lead technical projects for the Patient Matching team, focusing on scalable systems and API design. Responsibilities include system architecture, mentoring engineers, and collaborating with various stakeholders to enhance patient experiences in mental healthcare.

As a Senior Staff Engineer, you'll architect and build core banking systems, lead technical standards, and mentor engineers to ensure reliability in handling institutional funds and complex payment systems.

Lead the design and implementation of distributed software systems, focusing on chatbot and search functionalities, while mentoring engineers and collaborating with cross-functional teams.

As a Staff Software Engineer, you will lead the development of computer vision systems for sidewalk inspection, overseeing model lifecycle, system architecture, and mentoring while improving deployment practices.

Design and enhance tools for veterinary care, manage product initiatives, optimize databases, mentor engineers, and ensure quality code.

In this role, you'll architect and manage distributed database systems, oversee complex migrations, optimize performance, and mentor engineers, driving operational excellence.

As a Staff Engineer, you'll lead the orchestration platform strategy, mentor engineers, and ensure reliable workloads across GPU clusters, directly impacting AI innovation.

Design, build, deploy, and maintain resilient, scalable backend and enterprise features across Toast’s platform. Lead complex projects, ensure quality with automated tests, roll out and monitor features, collaborate with UX/PM and cross-functional teams, and mentor other engineers.

As a Staff Software Engineer, you'll design and operate scalable backend services, collaborate across teams, and ensure high system availability.

As a Staff Software Engineer, you'll design and operate traffic infrastructure, lead multi-team projects, ensure service reliability, and mentor engineers while utilizing AI tools for development efficiency.

Drive architecture and platform strategy for Lives Covered, focusing on billing, claims lifecycle, partner integrations, and clinical data exchange. Design scalable backend systems and durable systems of record (ledger, rates, coverage), standardize partner onboarding primitives, instrument financial flows, and lead cross-team initiatives while mentoring senior engineers to ensure auditability, correctness, and long-term maintainability.

The Staff Software Engineer will lead full-stack initiatives, improve system quality, drive technical direction, and mentor peers in a collaborative environment.