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Gusto

Staff Software Engineer, Core Platforms

Staff Software Engineer builds and scales core platform services like communications, reporting, and payments using Ruby/Rails and React. Requires 8+ years experience, AI tool usage, mentoring, and ownership of complex projects at scale.

163k – 247kSan Francisco, CADenver, CONew York, NYFullstack EngineeringHybrid8+ YOE
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About the role

Responsibilities

  • Design, build, and test Gusto core platform services – communications, reporting, dashboards, access, workflows, risk, payments, and compliance capabilities, among others
  • Mentor other engineers to help solve some of the hardest technical problems out there in very complex domains and at a large scale
  • Help scale one of the largest Ruby/Rails and Javascript/React applications in the world
  • Collaborate with our Product Engineering, Product Management, Data, and Design teams to understand customer pain points, come up with solutions, and then prototype, iterate, and launch daily

Requirements

  • 8+ years of software development experience
  • Passion for creating scalable, efficient platforms for users
  • Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver new platform capabilities
  • Curiosity and experimentation with emerging AI frameworks, applying and sharing best practices to evaluate and scale AI use safely across teams
  • Experience owning multi-quarter projects that solve complex engineering problems and make measurable user impact at scale
  • Experience with large scale refactors, performance and reliability issues, and a strong sense of ownership over all aspects of your platform area
  • Ability to mentor engineers to maximize their performance and impact

Nice-to-Haves

  • Experience in, or interest working in, Ruby on Rails
  • Appreciation for a collaborative, test-driven environment
  • Ability to build well-structured, maintainable, well-documented code
  • Ability to effectively communicate across engineering teams and with business stakeholders

Compensation

  • $163,000–$204,000 in Denver & most remote locations
  • $197,000–$247,000 for San Francisco & New York
  • Stock equity is additional

Skills

Ruby on RailsJavaScriptReactAI ToolsRubyTest-Driven Development

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