Staff Engineer, Pro Integrations Platform

Gusto, Inc.

Denver, New York, San Francisco (CO, NY, CA)

Hybrid

USD 163,000 - 204,000

Full time

4 days ago

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Job summary

Gusto is hiring a Staff Software Engineer in Denver for its Pro Integrations team. You will own and extend integrations between Gusto and third‑party tools used by accounting firms, building backend services and evaluating AI‑driven patterns.

This highly autonomous role collaborates with product, design, and data science to shape the roadmap and maintain high engineering standards in a growing team. The role blends hands‑on coding with architecture and mentorship, across hybrid Denver and other

Qualifications

8+ years of software development experience.
Experience owning multi‑quarter projects end‑to‑end.
Strong API and third‑party integration background.
Comfortable with ambiguous, early‑stage domain.

Responsibilities

Own and extend Gusto's existing third‑party integrations and grow the portfolio.
Design and build reliable backend services (Ruby on Rails, Sidekiq) that sync data between Gusto and partner platforms.
Evaluate and help build new integration patterns — including AI agent protocols like MCP.
Help define the technical approach and roadmap for the Integrations domain.
Partner with Product, Design, and Data Science to validate workflows and iterate on feedback.
Participate in code reviews and help set engineering practices.
Mentor other engineers as the team scales.