Staff Software Engineer, Gustie Assist
Gusto · Engineering
- Location
- Denver, CO - Hybrid; New York, NY - Hybrid; San Francisco, CA - Hybrid
- Metro
- Denver / Boulder, New York City, San Francisco Bay Area
- Workplace
- Hybrid
- Level
- Staff+
- Type
- Full-time
- Posted
- 2 months ago
- Source
- Greenhouse
Read the full posting & apply ↗
JavaScriptRubyReactRailsGraphQLLLMs
What the posting covers
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…
About Gusto
This is unusually broad, hands-on applied-AI work: you'll own an LLM agent runtime and the full stack around it, including the tool layer that lets it act over Gusto's systems, the Rails/GraphQL backend, the advocate-facing frontend, and the eval system that…
Here's what you'll do day-to-day
Design and build across the Otto platform, including the runtime and agent graph, the tool/action layer, the Rails/GraphQL backend, and the advocate-facing experience, owning a meaningful slice end-to-end Expand what the agent can safely do: autonomous,…
Here's what we're looking for
Typically 8+ years of software engineering experience, owning systems end-to-end You've built and shipped LLM-powered or agentic systems in production, including tool-calling/agents, retrieval, or evals, and you know where they break and how to make them…
Also great to have
Experience with agent frameworks, evals/LLM-as-judge, retrieval, or MCP-style tool architectures Experience with Ruby on Rails and/or JavaScript/React (our stack), or the ability to ramp quickly Familiarity with GraphQL and federated backends Appreciation for…
Excerpts only. The employer’s page has the complete posting.