At XCode Corporation, I developed and deployed backend architecture using Node.js, PostgreSQL, and Docker. I also built secure REST APIs and authentication flows, and engineered Python data extraction pipelines.
I built MarketSense AI, a multi-agent pricing system that monitors competitor prices and prepares margin-safe recommendations for human approval. Its agents coordinate through Band chatrooms, with structured state stored in PostgreSQL and a FastAPI dashboard for review.
On Dhaka Tesla Pool, I built a ride-pooling platform with detour-limited matching and upfront fares. I used PostgreSQL row-level locking to protect seat capacity during concurrent bookings and wrote 148 tests against a real PostgreSQL instance.
