Writing — Faizan Hassan

Writing — Faizan HassanTechnical articles on backend engineering, Node.js, TypeScript, and applied AI/LLM systems by Faizan Hassan.

Building Production-Grade RAG Pipelines with Node.js, OpenAI, and Pinecone — Most developers first encounter Retrieval-Augmented Generation (RAG) through a Python tutorial — a Jupyter notebook, a few lines of LangChain, and suddenly their PDF is "talking."