Backend Developer & AI Engineer• AI & Distributed Systems • Problem Solver
Chaitanya
GenAI & Backend Engineer
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Building @SaarthiAI
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- GenAI & Backend Engineer specializing in production LLM systems, RAG pipelines, AI agents, and distributed backend architecture.
- Designed a Hybrid GraphRAG system combining Pinecone vector search with a PostgreSQL relational knowledge graph and BGE local reranking — going beyond standard vector-only retrieval.
- Built distributed async ingestion pipelines using Redis + BullMQ, real-time progress streaming via Socket.io, and multi-LLM agentic orchestration across Gemini, Groq (Llama 3.3), and Ollama.
- Experienced across the full stack — Next.js, React, Node.js, TypeScript, PostgreSQL, MongoDB, Docker, and FastAPI — shipping end-to-end from architecture to deployment.
- Authored Setu.js, an open-source universal HTTP client with a Hybrid JS/C++ architecture using N-API native addons — achieving 750+ npm downloads.
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