Ahmad Hassan's Work | ContraWork by Ahmad HassanAhmad Hassan
Full stack and AI engineer
RetailFlow is software for small shops that sell on credit (khata). It handles the till, stock and customer ledgers for many shops at once, and each shop's data is kept separate inside the database itself. I built it alone. Next.js and Supabase Postgres. Code: github.com/Ahmadhsn1/retailflow-saas LeadForge AI helps you find local businesses worth contacting. For each one it explains why, with evidence you can check, and drafts the message you would send. Anything the model can't trace back to a saved observation gets dropped before you see it. I built it alone. Next.js, NestJS, Prisma and PostgreSQL. Code: github.com/Ahmadhsn1/leadforge-ai Retrivo Vault is a small SaaS where you upload your own documents and ask questions about them. Every answer shows where in your documents it came from, and if the answer isn't there it says so instead of guessing. I built it alone, from design to launch. Backend in Node and Express, search on MongoDB Atlas, answers from Gemini, frontend in React with TypeScript. Code: github.com/Ahmadhsn1/Rag-saas-RetrivoVault I built Aria, a booking assistant for a coworking space called Prime Coworking. People chat with it to find and book a slot. The AI only asks the booking system for things and never decides on its own, so it can't double book. It also verifies users with a one time code and keeps a log of every action. The product is internal, so the picture is an illustration.