AI Engineer

NenSan Francisco, CA

About The Position

Be one of the founding engineers at Nen, shaping the AI layer that powers automation across enterprise desktop environments at scale.

Requirements

  • Hands-on experience building with LLMs in production
  • Strong Python; comfortable working across SDK, API, and model integration layers
  • Experience evaluating and benchmarking models with structured evals, not just vibes
  • Familiarity with agent architectures, tool use, and multi-step reasoning loops
  • Curiosity about the computer-use model landscape and how it's evolving fast

Responsibilities

  • Build and extend a multi-model agent loop across leading AI providers
  • Benchmark models across cost, latency, and reliability — and own the framework for doing so continuously
  • Improve agent reliability through better perception, grounding, and structured context
  • Instrument traces and build the data foundation for future fine-tuning
  • Shape the Python workflow SDK so improvements are transparent to users
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