Backend & API Development
Scalable REST and real-time APIs with Node.js, NestJS, and Express — authentication, RBAC, and database design.




Halim Msbah, a Full-Stack JavaScript Developer specializing in scalable backend architecture with Node.js, NestJS, and Express.
I also build modern user experiences using React and React Native, delivering complete web and mobile applications from concept to deployment.
Scalable REST and real-time APIs with Node.js, NestJS, and Express — authentication, RBAC, and database design.
End-to-end web applications with React, TypeScript, and a Node backend — from database to deployment.
Cross-platform mobile apps with React Native and Expo, integrated with real-time backends and secure auth.
Clean architecture, JWT/RBAC security, Redis caching, WebSockets, Docker, and Swagger API docs.