Staff Software Engineer — React/Rails (GraphQL)

Gusto is seeking a Staff Software Engineer for the Expansion Experiences team in a hybrid setup in San Francisco. You will own end-to-end features that help small businesses discover and adopt more of Gusto’s offerings, including plan upgrades and new integrations. You will design and implement scalable backend APIs, robust frontend experiences, and drive experiments to measure impact on conversions and retention. Mentoring and AI-enabled development are key parts of the role.