AI Engineer

Job description

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