Xiantao Cai

TypeScript, React, Next.js, React Native, Node.js, NestJS, WebSockets, real-time systems, and full-stack product engineering.

AI-assisted engineering, real-time collaboration architecture, and reliability across web and mobile products.

Connexa/OpenChat — an AI collaboration and real-time communication product across web, mobile, and backend systems.

Technical discussions, open-source collaboration, and remote full-stack or AI engineering opportunities.