Staff Software Engineer, Payroll Platform

Gusto is hiring a Staff Software Engineer for their Payroll Platform team to build backend product infrastructure that powers payroll experiences. This role focuses on designing and evolving internal APIs and services that ensure accurate, compliant, and scalable payroll processing. The position is based in San Francisco, CA on a hybrid schedule, with onboarding travel required to Gusto's Denver office.

• 8+ years of professional software engineering experience with a strong focus on backend development
• Experience building and scaling internal platforms, shared services, or foundational APIs supporting multiple product teams
• Proven ability to work independently on ambiguous problems from business need through delivery and iteration
• Strong system design skills including performance optimization, scalability, and production reliability
• Active use of AI-assisted development tools in daily engineering work and ability to help teams adopt effective, responsible usage
• Experience collaborating across teams as a technical partner in a product-focused engineering organization
• Proficiency in one or more backend programming languages with strong preference for Ruby

An experienced backend software engineer with a strong background in building foundational platforms and APIs who enjoys working on complex technical systems and partnering cross-functionally.

Candidates apply on the employer's official site.