Retirement AI Staff Engineer

Gusto Gusto · Fintech · Denver, CO +2 · Engineering

Staff Engineer role focused on building and shipping production AI features for Gusto Retirement, specifically using LLMs for customer-facing experiences. Requires strong software engineering skills, hands-on LLM implementation experience (RAG, agents, tool loops), and end-to-end ownership of features.

What you'd actually do

  1. Design, build, and ship production features that use large language models to solve real customer problems.
  2. Implement and integrate LLMs (prompting, tool loops, evaluation, monitoring, etc).
  3. Make pragmatic architecture decisions, de-risk tricky areas, and keep the work unblocked.
  4. Partner with product and design to refine ideas, shape scope, and iterate quickly on end-to-end experiences.
  5. Collaborate with other engineering teams to integrate with existing systems and unblock dependencies.

Skills

Required

  • 7+ years of software engineering experience building and shipping production products or platforms
  • Hands-on experience implementing LLM-powered features (e.g., RAG flows, agents, tool loops, workflow automation with language models, etc)
  • Strong engineering skills (e.g., services, APIs, data flows)
  • Experience running or heavily contributing to a team’s execution: sprints, Jira, scoping, and cross-functional coordination.
  • Bias to action
  • Clear communicator
  • Experienced with Ruby on Rails (or any comparable language)
  • React (or any comparable library)

What the JD emphasized

  • shipping production features
  • hands-on experience implementing LLM-powered features
  • comfortable spending most of your time coding
  • running or heavily contributing to a team’s execution

Other signals

  • shipping production features
  • integrating LLMs
  • pragmatic architecture decisions
  • end-to-end ownership