Saurabh Rathaur

@saurabhratha899

AI Developer

India

English

About me

I build AI-powered chatbots and RAG systems that actually work — not just demos. My flagship project, "Chat with PDF," lets users upload any PDF and ask questions in plain English. Under the hood it runs hybrid BM25 + ChromaDB retrieval with CrossEncoder re-ranking for accuracy, all served through a Flask backend powered by Claude API. I built every layer from scratch — chunking, embeddings, retrieval, and response generation. If you need a document chatbot or LLM integration that delivers real results, let's talk.... Read more

Skills