I will fix bugs or develop a custom node js backend and rest API

H
hasnain_wstudio
H
hasnain_wstudio
Md. Hasnain
fix bugs or develop a custom node js backend and rest API
Full Screen
fix bugs or develop a custom node js backend and rest API
Full Screen
Full Screen
fix bugs or develop a custom node js backend and rest APIfix bugs or develop a custom node js backend and rest APIfix bugs or develop a custom node js backend and rest API

About this gig

Hi! I'm Hasnain, a Backend Developer specializing in Node.js, Express.js, MongoDB, and REST API development.


I build secure, scalable, and well-structured backends for websites, web applications, SaaS products, and custom software.


I can help with:


Custom Node.js backends

RESTful & CRUD APIs

MongoDB & Mongoose integration

Authentication & authorization

JWT and role-based access

Third-party API integrations

E-commerce & business APIs

Backend bug fixing and optimization


Tech Stack:


Node.js

Express.js

MongoDB

Supabase

Firebase

Mongoose

JavaScript

TypeScript

REST APIs

JWT-based authentication


What you'll get:

Clean, maintainable code

Secure API structure

Proper validation & error handling

Database integration

API testing and documentation

Source code included


Why work with me?


Clear communication

Attention to detail

On-time delivery

Reliable development

Client-focused support


Need a custom backend, REST API, or bug fix? Send me your requirements before placing an order.


Let's build a reliable and scalable backend for your projects!


I focus on clean architecture, secure APIs, reliable performance, and seamless integration with your existing frontends and web apps.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Source control

  • Programming language

    • JavaScript

  • Frontend framework

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

  • Backend framework

    • Express.js
    • Next.js
    • Node.js
    • Supabase
    • Other

Get to know Md. Hasnain

Md. Hasnain

I will build and redesign MERN Stack Apps as a Full Stack Web Developer

  • FromPakistan
  • Member sinceNov 2025

  • Languages

    Urdu, English
Hi! I’m Hasnain, a professional Full Stact Web developer. I create modern, responsive, and high-performing websites that help businesses grow online. Whether you need a personal portfolio, business website, eCommerce store, or custom web application, I deliver clean code, fast performance and reliable solutions. I’m committed to understanding your vision and turning it into a beautiful, functional, and user-friendly website. Let’s build something amazing together!

My Portfolio

Other Software Development Services I Offer

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