Staff Software Engineer, Payroll PlatformActive$247K

The opportunity

At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff — payroll, health insurance, 401(k)s, and HR — so owners can focus on their craft and their customers.

What you'll do

  • Design, build, and maintain backend services and APIs that support core: payroll workflows and are consumed by multiple Gusto engineering teams

  • Own a primary domain within the Payroll Platform, taking responsibility for: system health, correctness, scalability, and long-term evolution

  • Act as a technical partner to other engineering teams, collaborating closely: to understand their needs, guide platform adoption, and co-design solutions that scale across use cases

  • Author and drive architecture and design documents, contributing to technical: direction while balancing near-term delivery with long-term platform goals

  • Improve system performance, reliability, and observability as we scale: payroll processing for hundreds of thousands of businesses

  • Collaborate cross-functionally with Product, Design, Data, Compliance, and: Operations to deliver compliant and customer-impacting solutions

What they're looking for

  • Routinely leverage AI-assisted development tools to accelerate development,: improve code quality, and documentation, and help normalize and spread effective usage across the team.
  • + years of professional software engineering experience, with a strong focus on backend development
  • Experience building and scaling internal platforms, shared services, or: foundational APIs that support multiple product teams
  • Proven ability to work independently on ambiguous problems, from: understanding the business need through delivery and iteration