Open roles

AI / ML

Applied AI Engineer

Kairos

On-site · San FranciscoFull TimeListed 2mo ago
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Backed by

Y Combinator

HQ

🇺🇸 San Francisco

Open roles

1

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About the role

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Kairos launches Telos, a learning layer for long-horizon AI workflows, benchmarked on τ-benchRead more →←CareersAbout KairosKairos is building specialized intelligence.We are backed by Y Combinator, and work with organizations in regulated industries to build domain expert-level agents that outperform frontier…

What you will do

  • You will work directly with customers to turn messy requirements into robust, end-to-end agents.
  • You will own each system from architecture through deployment, including integrations, evaluation, and privacy.
  • You will formalize expert judgment into evaluations, identify where behavior breaks, and build the feedback loops that make reliability repeatable.
  • You will leverage and extend the Kairos platform, developing techniques that make long-horizon agents more capable, reliable, and verifiable on judgment-heavy work.

What they are looking for

  • Strong software engineering fundamentals and deep Python/backend experience
  • Exceptional communication skills and confidence engaging with enterprise customers.
  • Experience with RL, fine-tuning, and retrieval systems.
  • Familiarity working across enterprise cloud infrastructure, CRMs, and internal data platforms.
  • Strong intuition for product and UX.
  • A high bar for correctness and production reliability.

Nice to have

  • Experience with long-horizon agents or multi-step LLM workflows.
  • You’ve published AI/ML papers at conferences.
  • Previous experience as a founder or founding engineer.
PythonRLfine-tuningretrieval systems
Full posting text

Fall 2026

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