Staff Software Engineer, Gusto Pro

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Staff Software Engineer, Gusto Pro in USA

Gusto
Full time
Email

USA
10/10/2026
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Denver, CO

Responsibilities

Own and extend existing third-party integrations and build new integrations as the portfolio expands.
Design and build backend services using Ruby on Rails and Sidekiq to synchronize data between Gusto and partner platforms.
Evaluate and implement integration patterns, including AI agent protocols such as MCP.
Define technical approaches and contribute to the Integrations roadmap.
Partner with Product, Design, and Data Science to validate workflows and incorporate feedback.
Participate in code review and help establish engineering practices and technical standards.
Mentor other engineers as the team grows.

Requirements

8+ years of professional software development experience.
Experience owning multi-quarter projects end to end, including scoping, planning, execution, stakeholder management, and launch.
Strong platform or application engineering background involving services, APIs, third-party integrations, data flows, and observability.
Ability to work effectively in an ambiguous, early-stage domain with an evolving roadmap.
Strongly preferred experience with Ruby on Rails.
OAuth and third-party API integration experience are a plus.
Familiarity with AI agent protocols such as MCP or agentic integration patterns is a plus.
Strong communication skills for explaining technical tradeoffs to engineers and cross-functional partners.
An AI-native engineering workflow using AI tools for code generation, review, debugging, and documentation.

Benefits

Competitive base pay, benefits, and stock equity including RSUs.
Employees based in Denver, San Francisco, or New York are expected to work from the office approximately 2–3 days per week or more depending on the role.
Remote or non-office work requires a secure, reliable, and consistent internet connection.
The role includes regular and predictable attendance expectations, whether in-office, hybrid, or fully remote.

Salary: $163k - $247k/yr

Gusto

Gusto provides essential services like payroll, health insurance, 401(k) plans, and HR solutions specifically designed for small businesses. Our platform allows owners to concentrate on their core business while we manage the complexities of workforce administration. With a strong commitment to s...

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