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

M
mutwasim
M
mutwasim
Mutwassim
develop secure rest apis with nodejs, express, and postgresql or mongodb
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develop secure rest apis with nodejs, express, and postgresql or mongodb
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develop secure rest apis with nodejs, express, and postgresql or mongodbdevelop 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.


  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

    • React.js
    • Vue.js
    • jQuery
    • Bootstrap
    • Tailwind CSS

  • Backend framework

    • Django
    • Laravel
    • Spring
    • Express.js
    • Node.js

Get to know Mutwassim

Mutwassim

AI Chatbot Developer Building RAG and Custom AI Assistants for Businesses

5.0(1)
  • FromPakistan
  • Member sinceSep 2025
  • Avg. response time1 hour
  • Last delivery1 month

  • Languages

    Urdu, Hindi, English, Punjabi
I build custom AI chatbots using Retrieval Augmented Generation, so your chatbot answers using your real content instead of generic AI guesses. I help ecommerce stores offer 24/7 product and FAQ support, coaches and course creators answer student questions instantly, real estate agents assist buyers and tenants with listings info, and SaaS founders deflect support tickets using their docs. Every chatbot is trained on your own content, accurate, on brand, and ready to embed on your site. Message me your website and I will show you what is possible before you order.

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