Senior Staff Software Engineer, Gusto Agent & Partner Experiences (API)Active$251K–$278K

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

  • Identify and solve high-impact problems involving technical and: organizational complexity that requires understanding and coordination across multiple domains.

  • Design the API contracts and agent facing tools our partners and AI agents: build on, including what a good interface looks like when the caller is an agent model.

  • Engage directly with our developer-customers and internal agent partner to: deliver a remarkable payroll product.

  • Ship code. Clean, tested, and performant.

  • Level up the craft of software engineering across the organization by: providing technical guidance and mentoring.

  • Inform and maintain best practices for reliability and observability for the team.

What they're looking for

  • Troubleshoot and resolve production issues.
  • Experience: 12+ years of professional software development experience. You: have been a technical owner for organization-wide engineering initiatives and have played a role in scaling engineering organizations.
  • Technical Expertise: You are a Ruby and Rails expert. You have navigated massive Rails applications, worked with Ruby across multiple codebases, and are comfortable working at multiple layers of abstraction.
  • Platform Thinker: You've designed and built platforms and public-facing APIs, and have a strong understanding of how to build for reliability and performance at scale.