Applied AI Engineer

Catalyst Labs
San Francisco, MA
Job Description
Catalyst Labs is seeking an Applied AI Engineer to join their team. The successful candidate will help architect the foundation of next-generation Mind Architecture, a system that powers digital minds. They will work at the intersection of graph systems, LLM reasoning, and scalable AI infrastructure.

Requirements

  • 4-6+ years of experience in AI or ML engineering, with at least 12 years hands-on with LLMs in production.
  • Proven track record of building and deploying ML-powered systems that directly impact end-user experience.
  • Strong Python expertise, including asynchronous programming, event loop optimization, and performance tuning.
  • Experience with retrieval-augmented generation (RAG), context engineering, and LLM eval frameworks.
  • Deep practical understanding of how LLMs reason, how to structure inputs, and how to measure improvement.

Benefits

  • Unlimited Learning Stipend: books, courses, or conferences of your choice.
  • Comprehensive Health, Dental, and Vision coverage.
  • 401(k) via Human Interest.
  • Relocation assistance to San Francisco (if applicable).
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