Staff Software Engineer, AI Developer Tools

Job Description

About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff — payroll, health insurance, 401(k)s, and HR — so owners can focus on their craft and their customers. With teams in Denver, San Francisco, and New York, we support more than 500,000 small businesses nationwide and are building a workplace that reflects the people we serve. All full-time employees receive competitive base pay, benefits, and equity (RSUs) — because everyone who helps build Gusto should share in its success. Offer amounts are determined by role, level, and location. Learn more about our Total Rewards philosophy . AI is a fundamental part of how work gets done at Gusto. We expect all team members to actively engage with AI tools relevant to their role and grow their fluency as the technology evolves. AI experience requirements vary by role and will be assessed during the interview process. About the Role: As a Staff Engineer on the Developer Productivity – AI Developer Tools team, you will play a pivotal role in architecting and scaling the AI platform that powers how Gusto builds software. Operating at the intersection of platform engineering and applied AI, you will help redefine our development lifecycle by embedding intelligence directly into it. From building custom internal coding assistants and automating complex refactors to stabilizing local environments and enhancing CI/CD pipelines, your work will eliminate developer friction at every stage. Your mission is to harness Large Language Models and intelligent automation to accelerate engineering velocity, reduce cognitive load, and fundamentally transform how our teams design, test, and ship products. About the Team: The AI Developer Tools team is a specialized unit within Developer Productivity. We believe that AI is the next great leap in software craftsmanship. Our goal is to provide every builder at Gusto with a suite of "superpowers"—tools that understand our codebase and handle the "toil" so our builders can focus on creative problem-solving in a safe way with appropriate guardrails. We treat our fellow builders as our customers and prioritize tools that are not just powerful, but delightful to use. Here’s what you’ll do day-to-day: Architect AI Workflows: Design and implement internal tools and platforms that integrate LLMs into the developer workflow (e.g. automated PR reviews) with a focus on autonomous agentic agents. Collaborate & Evangelize: Work closely with builders across the company to understand their pain points and partner with Infrastructure/Platform teams to ensure AI tools are scalable and secure. Stay

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