Node.js Backend & API Development

Node.js Application & API Development

building secure and scalable backend systems using Node.js, Express.js, Nest.js, Socket.io, and database optimizations.

  • RESTful API development (Express.js / Nest.js)
  • JWT authentication & permission systems
  • Real-time apps with Socket.io
  • Payment gateway & 3rd-party API integration
  • MySQL, PostgreSQL, MongoDB optimization
  • Microservices-ready architecture
  • Error handling, logging & queue jobs
  • Deployment with PM2 / Docker