Top Staff Software Engineer Jobs in Seattle, WA

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

Design, build, and evolve Arm's MCP server to enable AI agents and tool invocation; prototype agentic developer experiences, define integrations and best practices, and produce technical marketing and developer enablement materials.

Responsible for enhancing local development environments, troubleshooting issues, collaborating with teams, and leveraging AI for productivity. Requires extensive software development experience.

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

As a Staff Software Engineer, you'll lead frontend development, ensure quality and scalability of systems, mentor engineers, and drive technical strategy.

The Staff Software Engineer will build a new mental healthcare system, architect complex systems, drive technical vision, and mentor engineers, focusing on provider growth.

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.

The Staff Software Engineer will lead development on crypto products, influence architecture, mentor engineers, and collaborate closely with stakeholders.

The Staff Software Engineer will lead the money movement team focusing on product architecture, build resilient systems, and work collaboratively on the software development lifecycle.

The Staff Software Engineer will lead backend service design and implementation for the Lending Platform, drive technical collaboration, and enhance engineering excellence across diverse teams.

The Staff Software Engineer will architect backend systems, develop marketplace matching capabilities, and lead a high-performance engineering team to improve healthcare access.

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

As a Staff Software Engineer in the Data Platform group, you'll lead architecture decisions, mentor engineers, and enhance operational systems while collaborating with cross-functional teams to shape data-based solutions.

The Staff Software Engineer will lead the development of a Marketplace platform, focusing on back-end systems, scalability, and mentoring engineers.

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

Headway seeks a Staff Software Engineer to design and scale ML systems, drive technical vision, and lead initiatives to enhance mental healthcare access and quality through innovative software solutions.

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 candidate will design software for business needs, set coding standards, critique AI-generated code, drive operational excellence, and mentor teammates while leading cross-functionally.

The Staff Software Engineer will lead the development of a next-gen Insurance platform, shaping its architecture and mentoring engineers, focusing on scalability, performance, and security.

The Senior Staff Software Engineer will lead the technical vision and strategy for the loans platform, coordinate cross-team technical solutions, and drive improvements in engineering productivity and excellence.

As a Staff Software Engineer, you'll lead software architecture for AI-powered products, enhancing large-scale search and notifications systems in real estate.

As a Staff Software Engineer, you'll lead AI-powered product delivery, shape platform architecture, and drive initiatives like advertising systems and AI-generated content.

As a Staff Software Engineer at Luxury Presence, you'll lead AI-driven software initiatives, design scalable systems, and enhance CRM functionalities for real estate professionals.

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.