Wei Zhang

About

I build LLM-powered applications that handle real production traffic. My focus is on retrieval-augmented generation systems, semantic search, embedding pipelines, and full-stack AI product development. Before going independent, I led AI infrastructure at a Series B e-commerce company and shipped recommendation and search features serving millions of monthly users. I write clean, testable Python and know how to operationalize AI in real apps — not just Jupyter notebooks. I have worked with LangGraph for complex stateful agent flows and love pairing AI search with solid engineering fundamentals. Available for project-based work and long-term contracts.

Skills & Expertise

AI Stack

Industries