Gusto
Staff Software Engineer, Retirement AI
$187K–$284K
Denver, CO +3 · Staff · Full-time · Posted Jun 22, 2026
- Location
- Denver, CO
San Francisco, CA
New York, NY
New York, NY - Hybrid - Experience
- 7+ years of software engineering experience building and shipping production products or platforms.
About the job
Build and ship user-facing AI features for Gusto Retirement, owning implementation from technical design through production and iteration.
What you'll do
- Design, build, and ship production features powered by large language models, including prompting, tool loops, evaluation, and monitoring.
- Make architecture decisions, write reliable and tested code, and integrate features with existing systems.
- Partner with product, design, and engineering teams to scope, execute, and iterate on customer experiences.
What they ask for
- Hands-on experience implementing LLM-powered features.
- Strong engineering skills in services, APIs, and data flows; comfortable spending most of the time coding.
- Experience running or significantly contributing to team execution, including sprints, Jira, scoping, and cross-functional coordination.
- Experience with Ruby on Rails or a comparable language, and React or a comparable library.
Pay
$187,000-$234,000 USD base salary (Denver & most remote locations); $227,000-$284,000 USD base salary (San Francisco & New York)
Tools
large language models, RAG flows, agents, tool loops, workflow automation with language models, Ruby on Rails, React, Jira
AI focus
Implement and ship production LLM-powered retirement experiences, including prompting, tool loops, evaluation, and monitoring.
Model-written summary · the original posting is authoritative