Top Engineering Jobs in San Francisco, CA

Lead design and delivery of Gusto's Commerce Platform components (catalog, promotions, subscriptions, entitlements). Own architecture, reliability, and performance; drive multi-quarter projects; partner with product, data science, and cross-functional teams; mentor engineers; and promote AI-augmented development and platform adoption to accelerate business impact.

The Principal Software Engineer will lead technical direction for Gusto's Money Group, focusing on systems architecture, service migration, mentoring engineers, and driving complex projects in fintech. Responsibilities include defining long-term vision and ensuring quality delivery across multiple teams.

Design, build, and maintain Gusto core products (Payroll, Benefits, HR, Retirement, Gusto Money, etc.). Work across frontend and backend, scale Ruby on Rails and JavaScript/React systems, prototype and launch features, own multi-quarter projects, mentor engineers, resolve large-scale refactors, performance and reliability issues, and apply AI tools to improve development and product capabilities.

The Senior Staff Software Engineer will lead the technical direction of Gusto's Commerce Platform, focusing on system architecture, project delivery, mentoring, and collaborating with product teams to enhance the platform's reliability and performance.

Design, build, and test the Gusto PEO Benefits experience across frontend and backend systems. Lead architecture for greenfield PEO benefits work, integrate carriers, automate operational processes, mentor engineers, collaborate cross-functionally, and iterate features from spec to launch at scale.

Staff-level software engineer responsible for architecting, building, and scaling Business Money products and platform. Lead multi-engineer projects, adopt AI tooling best practices, collaborate cross-functionally, and drive product development from concept to launch.

As a Staff Software Engineer, you will design, build, and mentor engineers on Gusto's core platform services, focusing on scalable architecture and collaborative product development.

Design, build, and maintain systems for employer and employee tax accounts, automate agency access and filings, model complex jurisdictional compliance rules, own reliability and performance, partner with cross-functional teams, mentor engineers, and deliver scalable products that keep accounts accurate and customers compliant.

Lead design and implementation of tax-related full-stack features, improving tax collection, calculation, payment, and filing experiences. Drive technical strategy, mentor engineers, collaborate cross-functionally, and prioritize long-term platform investments. Apply AI-assisted development where useful and deliver scalable, production-quality systems that serve millions of businesses.