Latest Fullstack Engineering jobs at Gusto

Leads full-stack development of Gusto’s signup-to-activation experience, inventing measurable onboarding improvements and AI-enabled product flows. Requires 10+ years of software engineering experience, strong product judgment, technical leadership, and versatility across frontend, backend, and data.

Leads the design and delivery of scalable Tax Credits products, mentors engineers, and drives complex, cross-functional initiatives. Requires 8+ years of software development experience, strong Ruby on Rails and JavaScript/React expertise, and experience applying AI tools to development and testing.

Build and own full-stack services and APIs that enable businesses to offer and manage 401(k) plans. The role requires 8+ years of software engineering experience, strong backend and frontend expertise, and the ability to lead cross-functional delivery and production operations.

Staff Software Engineer responsible for building scalable Salesforce Apex solutions and reliable production systems supporting Sales and CX teams. Requires 6+ years of software engineering experience, 4+ years on Salesforce, platform architecture expertise, and daily use of AI coding assistants.

Build and launch scalable, AI-powered Business Insurance products from design through production, while partnering cross-functionally and mentoring engineers. The role requires 8+ years of software development experience, strong platform and application engineering skills, and experience delivering customer-facing products at scale.

Build and scale Otto, Gusto’s production AI agent for support advocates, spanning the LLM runtime, tool/action layer, backend, frontend, and evaluation systems. The role requires 8+ years of software engineering experience, production agentic-system expertise, strong full-stack ability, and mentoring skills.

Build and scale customer-facing Time and Scheduling products across frontend and backend systems, while shaping product direction and mentoring engineers. The role requires 8+ years of software development experience, large-scale engineering ownership, and experience with Ruby on Rails, JavaScript, and React.

Staff Software Engineer building and owning complex tax account systems, automations, and compliance models for Gusto to ensure accurate withholding, payments, and filings for small businesses across hundreds of jurisdictions. Requires 8+ years experience, staff-level leadership, and comfort with rules-heavy domains.

Staff full-stack engineer building greenfield PEO Benefits systems at Gusto, including benefits shopping flows, carrier integrations, and AI-automated support tools. Requires 8+ years experience owning complex, cross-functional projects end-to-end at scale, plus strong mentoring and AI fluency.

Staff Software Engineer building full-stack tax experiences at Gusto. Design, implement, and scale delightful onboarding, payments, and filing flows for payroll/tax compliance using React, TypeScript, and Ruby on Rails. Mentor engineers, drive roadmap, and apply AI to simplify complex tax workflows.

Senior Staff Engineer guiding end-to-end projects on Gusto's Tax platform, scaling Ruby/Rails and TypeScript/React systems, building AI guardrails for compliance, driving technical strategy, and mentoring teams in a regulated domain. Requires 10+ years experience with distributed systems and complex problem solving.

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.

Seasoned full-stack engineer to lead AI-powered customer acquisition, onboarding, and lifecycle engagement on the Growth team. Own AI Voice Agent and LLM-powered email systems with measurable business impact.

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.

Leads end-to-end projects improving Gusto's payroll/tax platform for scalability and compliance. Requires 15+ years experience scaling Ruby/Rails & TypeScript/React apps, system design expertise, and AI/ML knowledge.