Senior Staff Software Engineer, Gusto Agent & Partner Experiences (API)
Gusto — Remote
Posted: 2026-10-14
Job Description
• Senior Staff Software Engineer serving as a technical leader for Gusto’s Agent & Partner Experiences API platform in the payroll/fintech and AI-agent space.
• Build and scale Ruby on Rails platforms, public-facing APIs, API contracts, and agent-facing tools used by developers and AI agents.
• Deliver clean, tested, performant code; improve reliability and observability; and troubleshoot production issues.
• Requires 12+ years of professional software development experience, expert Ruby/Rails skills, platform/API design experience, and organization-wide technical leadership.
• Remote or hybrid U.S. work arrangement; compensation targeted at $213,000-$236,000 in Denver and most remote locations, or $251,000-$278,000 in San Francisco, New York, and Seattle.