Staff Software Engineer, PEO
Gusto · San Francisco, CA - Hybrid
About this role
**About Gusto** At Gusto, we’re on a mission to grow the small business economy. We handle payroll, health insurance, 401(k)s, and HR—so owners can focus on their craft and customers. We support 500,000+ small businesses nationwide and build a workplace that reflects the people we serve. All full-time employees receive competitive base pay, benefits, and equity (RSUs). Offer amounts are determined by role, level, and location. **About the Role (Staff Software Engineer, PEO)** Gusto is building a PEO (Professional Employer Organization): a product where Gusto becomes a co-employer for small businesses—taking on payroll, benefits, workers’ compensation, and HR compliance. As a **Staff Engineer on PEO Growth**, you’ll own the path from how a business discovers the PEO to getting the business fully set up. Your decisions will directly impact whether customers can adopt this consequential product end-to-end. **What you’ll do day-to-day** - Own the **PEO Onboarding** experience end to end (learn → commit → set up) and be accountable for customer completion. - Set technical direction: turn ambiguous product bets into designs, sequencing, and durable abstractions. - Build in a **regulated domain** where quality and accuracy are critical. - Partner across app teams to integrate domains into one coherent journey; negotiate seams when ownership is unclear. - Use **AI as a normal part of your workflow** (coding agents, review, debugging, codebase exploration) and help build AI-assisted guidance into onboarding. - Instrument the funnel: define success, measure it, and use experiments to decide what to change. - Raise the engineering bar (reviews, testing strategy, observability, and judgment on where to build carefully vs. move fast). **What we’re looking for** - **8+ years** of professional software engineering experience, including meaningful time owning customer-facing product surfaces in a large production codebase. - Strong **full-stack** range (mature server-side + modern component-based frontend). **Ruby on Rails** and **React/TypeScript** are desirable. - Demonstrated **AI fluency**: you use AI tooling in day-to-day engineering, can explain where it helps/doesn’t, and keep up as tools evolve. - High ownership in ambiguity: shape fuzzy needs into buildable work and ship without waiting for perfect specs. - Strong collaborator/influencer across boundaries, with a track record of leveling up others. - **Bonus:** experience in growth/funnels/conversion, plan & product configuration, or systems that turn purchase decisions into provisioned customers. - Bachelor’s degree in CS (or related) or equivalent practical experience. **Compensation & Location** - Target cash compensation: **$163,000–$204,000** (Denver & most remote) and **$197,000–$247,000** (San Francisco & New York). Stock equity is additional. - Final offers depend on multiple factors, including experience and expertise. **Work location expectations** Gusto has offices in **Denver, San Francisco, and New York City**. Employees in those locations are expected to work from the office on designated days approximately **2–3 days per week** (or more depending on role). Hybrid expectations also apply to Symmetry roles (Scottsdale office). When approved to work outside a Gusto office, a secure, reliable, consistent internet connection is required. **Equal Opportunity** Gusto is an equal opportunity employer and does not discriminate based on protected characteristics. Reasonable accom
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