Node.js, Express & NestJS Backend Development | API & Authentication

I will develop a clean and production-ready Node.js, Express, and NestJS backend, including:

Building REST APIs or modular NestJS projects
JWT authentication and password hashing with bcrypt
Secure error handling and debugging
MongoDB integration or any simple database

I follow best practices and deliver professional, maintainable code.
I can start immediately and deliver your backend project quickly.