Gusto

Staff Software Engineer, Payroll Platform

Gusto
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3 hours ago

Base Salary

$163k - $247k/yr

Responsibilities

  • Design, build, and maintain backend services and APIs supporting core payroll workflows.
  • Own a primary Payroll Platform domain, including system health, correctness, scalability, and long-term evolution.
  • Partner with engineering teams to guide platform adoption and co-design scalable solutions.
  • Author architecture and design documents and contribute to technical direction.
  • Improve system performance, reliability, and observability for payroll processing at scale.
  • Collaborate with Product, Design, Data, Compliance, and Operations.
  • Use AI-assisted development tools to improve development, code quality, and documentation and help the team adopt effective usage.

Requirements

  • 8+ years of professional software engineering experience focused on backend development.
  • Experience building and scaling internal platforms, shared services, or foundational APIs for multiple product teams.
  • Strong system design skills, including performance optimization, scalability, and production reliability.
  • Ability to independently solve ambiguous problems from business need through delivery and iteration.
  • Experience collaborating across teams as a technical partner in a product-focused engineering organization.
  • Proficiency in one or more backend programming languages; Ruby experience is strongly preferred but not required.
  • Daily experience using AI-assisted development tools such as LLMs, Claude Code, or Cursor, with comfort promoting responsible adoption.

Benefits

  • Competitive base pay, benefits, and RSU equity.
  • Travel to Gusto’s Denver office is required for onboarding.
  • Employees based in Denver, San Francisco, or New York generally work from the office approximately 2–3 days per week or more depending on the role; approved remote work requires a secure, reliable internet connection.
  • The role may be remote or hybrid depending on location, with regular and predictable attendance expected.

Tech Stack

Ruby

Categories

Gusto

About Gusto

10,000+ employees

Gusto builds cloud software that handles payroll, benefits, HR, and compliance for small businesses in the U.S., sold as a subscription with integrated services. Its platform runs payroll, files taxes, administers health insurance and 401(k)s, and offers tools for onboarding and time tracking. Founded in 2011 and headquartered in San Francisco, the privately held company says it serves 500,000+ small businesses nationwide.

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