Gusto

Staff Software Engineer, PEO Benefits

Gusto
Apply
3 months ago
Denver, CO, USA +2 moreStaff+
H1B sponsor

Base Salary

$163k - $204k/yr

Responsibilities

  • Design, build, and test the Gusto PEO Benefits experience, including benefits shopping and plan-recommendation flows.
  • Build carrier integrations, MCP tools, and agents that automate operational and customer support processes.
  • Make foundational architectural decisions for a greenfield PEO Benefits offering.
  • Write frontend code and design and build reliable backend APIs across the full product lifecycle.
  • Own features after launch through long-term iteration and improvement.
  • Mentor engineers on complex technical problems in large-scale, complex domains.
  • Collaborate with Product Management, Data, Design, and Platform Engineering to understand customer problems, prototype solutions, iterate, and launch products.
  • Help scale Gusto’s Ruby/Rails and JavaScript/React applications.

Requirements

  • Typically 8+ years of software development experience.
  • Preferred: 3+ years of PEO experience, including direct experience building PEO flows in a high-growth environment.
  • Experience owning multi-quarter projects that solve complex engineering problems and create measurable customer impact at scale.
  • Experience driving large, cross-functional projects end-to-end through ambiguity, including scoping, sequencing, unblocking, stakeholder alignment, and cross-team collaboration.
  • Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver product capabilities.
  • Curiosity and experimentation with emerging AI frameworks, including applying and sharing best practices to evaluate and scale AI use safely.
  • Ability to mentor engineers and maximize their performance and impact.
  • Experience with or interest in Ruby on Rails.
  • Ability to build well-structured, maintainable, well-documented code.
  • Ability to communicate effectively across engineering teams and with business stakeholders.
  • Appreciation for a collaborative, test-driven environment.

Benefits

  • Competitive base pay, benefits, and equity in the form of RSUs.
  • Onboarding travel to a Gusto office is required.
  • Employees based in Denver, San Francisco, or New York work from the office approximately 2–3 days per week or more depending on the role.
  • Remote and hybrid employees must maintain a secure, reliable, consistent internet connection.
  • Reasonable accommodations are available for qualified individuals with disabilities and disabled veterans.

Tech Stack

JavaScriptReactRubyRuby on Rails

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.

Contact me