I will develop secure rest apis with nodejs, express, and postgresql or mongodb


About this gig
Need a reliable backend for your web or mobile app? I build production-ready REST APIs using Node.js, Express, and PostgreSQL or MongoDB.
What you get ?
Clean, maintainable code with clear folder structure
Fast endpoints with validation, pagination, and error handling
Database design and integration using PostgreSQL or MongoDB
Postman collection or Swagger docs for easy integration
Optional deployment help to AWS, Render, Vercel, or DigitalOcean
Core services
CRUD endpoints and custom business logic
Auth: JWT, OAuth, role-based access
Performance tuning, indexes, query optimization
Third-party API integrations
Bug fixing and refactoring of existing Node.js APIs
Why work with me ?
Full stack mindset that makes frontend integration smooth
Strong database skills across SQL and NoSQL
Clear communication, frequent updates, and on-time delivery
Free minor bug support for 7 days after delivery
Tech stack
Node.js, Express, PostgreSQL, MongoDB, Mongoose, JWT, Swagger or Postman
Please message me before ordering so I can confirm scope, database choice, and timeline.
Get to know Mutwassim
- FromPakistan
- Member sinceSep 2025
Languages
Urdu, Hindi, English, Punjabi
My Portfolio
FAQ
Which database should I pick, PostgreSQL or MongoDB
Pick PostgreSQL for relational data and reports, MongoDB for flexible documents or rapidly changing schemas. I can advise after a short chat.
Can you integrate with my React or Next.js frontend?
Yes. I provide a Postman collection or Swagger so your UI team can plug in quickly. Light integration help is included in Standard and Premium.
Will you deploy it?
I will guide you or deploy to your account on AWS, Render, Vercel, or DigitalOcean in Standard and Premium. Basic includes deployment guidance only.
Do you provide tests?
I provide request examples in Postman for all tiers. Unit or integration tests can be added as an extra on Standard or Premium.

