Skip to content

Staff Software Engineer, Core Products

197k – 247kNew York, NYFullstack EngineeringHybrid8+ YOE
Summary

Seasoned full-stack engineer building and scaling Gusto's customer-facing products (Payroll, Benefits, HR). Owns features end-to-end, mentors engineers, and drives large-scale technical initiatives with AI fluency.

About the role

Responsibilities

  • Design, build, and test Gusto core products such as Payroll, Benefits, HR, Retirement, Gusto Money, Gusto Solo, and Gusto Pro
  • Mentor other engineers to help solve complex technical problems at large scale
  • Help scale one of the largest Ruby/Rails and JavaScript/React applications in the world
  • Collaborate with Product Management, Data, Design, and Platform Engineering teams to understand customer pain points, prototype, iterate, and launch features daily
  • Build products that customers genuinely love
  • Own multi-quarter projects that solve complex engineering problems with measurable customer impact at scale
  • Handle large-scale refactors, performance, and reliability issues with strong ownership over product areas

Requirements

  • 8+ years of software development experience
  • Experience building scalable solutions that eliminate customer pain and create memorable customer experiences
  • Experience leveraging AI tools or systems to accelerate development, improve testing, and deliver new product 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 customer impact at scale
  • Experience with large-scale refactors, performance and reliability issues, and strong ownership over product areas
  • Ability to mentor engineers to maximize their performance and impact

Nice-to-Haves

  • Passion for creating memorable experiences for customers

Compensation & Benefits

  • Cash compensation targeted at $163,000–$204,000 in Denver & most remote locations, and $197,000–$247,000 for San Francisco & New York
  • Stock equity (RSUs) additional
  • Competitive base pay, benefits, and equity for all full-time employees
Skills
RubyRuby on RailsJavaScriptReactFrontend DevelopmentBackend DevelopmentFull-Stack DevelopmentAI ToolsScalable SystemsMentorship
Similar roles at this salary range
All Fullstack Engineering jobs →
Gusto

Staff Software Engineer, Product Engineer

Seasoned full-stack engineer building and scaling Gusto's customer-facing products (Payroll, Benefits, HR). Owns multi-quarter projects, mentors engineers, and leverages AI tools. Requires 8+ years experience.

197k – 247kNew York, NYFullstack EngineeringHybrid8+ YOEReactAI Tools
Brex

AI Engineer, Product

Product engineer building Brex's Audit Agent harness: workflows, data contracts, feedback loops, and UI that turn agent reasoning into trustworthy customer-facing experiences. Requires strong full-stack shipping track record and product mindset.

171k – 240kSan Francisco, CAFullstack EngineeringHybrid5+ YOESQLLLMs
Haus

Senior Full Stack Engineer

Build and evolve full-stack systems powering causal inference marketing experiments. Own features across Python/Flask APIs, React frontends, and ad platform integrations while using AI tools to ship faster.

200k – 220kSeattle, WA +1Fullstack EngineeringHybrid5+ YOEGCPReact
OnePay

Software Engineer, Banking

Software Engineer on the Banking team building scalable features for mobile and backend financial services using Node, TypeScript, and React Native.

170k – 210kUnited StatesFullstack EngineeringRemote4+ YOEAWSNestJS
Stripe

Senior Software Engineer

Lead technical solutions and mentor engineers on scalable systems for card issuing, fraud prevention, and compliance in banking-as-a-service. Requires 3+ years of software engineering experience with typed or untyped languages and database/web development skills.

190k – 286kSouth San Francisco, CAFullstack EngineeringHybrid3+ YOEC++AWS