# Gagan Jain — AI / LLM Engineer

GenAI systems, agentic AI, RAG, multi-agent orchestration, LLM fine-tuning, Rust, Python.

## Key Projects
- NexusAOS: Governance-first, event-sourced AI operating environment in Rust (12 workspace crates, 981 tests).
- RAG Service: Production RAG API with hybrid retrieval (dense + BM25, RRF) over ChromaDB.
- LLM Eval Harness: Golden-set evaluation with LLM-as-judge and offline fallbacks.
- SeshaOS: Local-first AI OS with specialist models (Gemma 4, Qwen3) and LiteLLM routing.
- Vyākṛti: Sanskrit-oriented programming language with complete compiler pipeline and browser IDE (companion: vyakrti-ide).
- AIM: Production-grade attendance system (Flask + MySQL, 101 tests).
- FWRS: Food-waste optimization with a 3-stage lexicographic LP (fairness → priority → cost) and expiry-aware routing.

## Links
- Website: https://gaganjain.vercel.app
- Docs: https://gaganjain.vercel.app/docs/getting-started
- GitHub: https://github.com/gaganjainse
- LinkedIn: https://linkedin.com/in/gaganjainse
- Email: gagan.jain.se@gmail.com