arosplatforms™AI consultancy
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Careers · Engineering

Senior AI Engineer

Design and ship production LLM systems, agents, and retrieval pipelines that hold up under real data and real load.

Remote
North America
Full-time
Senior

You will own AI features end to end, from the first evaluation harness to the system running in a client’s cloud. We build copilots, agents, and RAG systems for regulated industries, so correctness, observability, and graceful failure matter as much as the happy path.

This is a hands-on engineering role on a small, senior team. You will write the hard parts yourself, set the patterns others follow, and stay close to the decisions that determine whether a build ships or stalls.

What you'll do

  • Architect and build LLM applications: agents, tool use, retrieval, and evaluation pipelines.
  • Stand up evals and observability so quality is measured continuously, not guessed at.
  • Harden systems for production: latency, cost, prompt-injection, data leakage, and fallbacks.
  • Integrate with messy client data and existing systems without breaking their controls.
  • Set engineering patterns and review work across the team.

What we're looking for

  • 5+ years building production software, with recent hands-on LLM/ML application work.
  • Strong Python and TypeScript; comfortable across the full stack of an AI system.
  • Real experience with evaluation, retrieval, and the failure modes of LLM systems.
  • A bias for shipping something narrow that works over something broad that demos.
  • Clear written communication; you can explain trade-offs to engineers and executives.

Nice to have

  • Experience deploying into client VPCs / on-prem with SSO and data-residency constraints.
  • Background in a regulated sector (finance, healthcare, legal, real estate).
  • Open-source contributions or published technical writing.

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