Mohammad Nahid

CoralOS implements an agent negotiation loop where autonomous agents reason, propose, and settle terms with each other without human intervention — integrated with Solana for on-chain settlement. It's a demonstration of autonomous decision-making architecture: agents that can hold state, evaluate counter-offers, and converge on an outcome independently, rather than a scripted single-shot LLM call.

Built under hackathon time pressure, it's the project I point to when talking about agentic system design — how to structure multi-agent communication, negotiation state, and trust boundaries when agents are transacting real value.

Remittance to Bangladesh is high-friction and low-trust for both senders and recipients. PayBridgeBD is a full-stack escrow platform designed around that problem: funds are held in escrow until delivery conditions are met, with JWT auth stored in httpOnly cookies to keep sessions secure against XSS.

Built with TypeScript, Express, PostgreSQL, and React. Originally deployed on Vercel, but its persistent-server architecture (long-lived connections, stateful sessions) wasn't compatible with Vercel's serverless model — I migrated the deployment to Render to get a real persistent Node process. A small detail, but the kind of infrastructure decision that matters once you're past the toy-app stage.