Built an AI onboarding platform using Flask, React, MySQL, Python, LLaMA3 to improve knowledge transfer in software teams. Implemented a RAG chatbot (LangChain + ChromaDB) that answers project questions with source citations. Developed a document ingestion pipeline with ZIP upload, chunking, and embeddings using sentence-transformers. Created a personalized learning path system with progress tracking and JWT authentication for secure access. Designed a React dashboard with real-time chat, interactive modules, and backend sync.