You will get Backend Developer | Node.js, NestJS, Express, MongoDB, PostgreSQL Expert
Top Rated

Project details
⚡ Scalable Backend Development with Node.js, NestJS & Express
Need a secure, scalable, and efficient backend for your web or mobile app? I specialize in building robust backends using Node.js, NestJS, and Express, with database support for MongoDB, PostgreSQL, and MySQL.
From API design and authentication to third-party integrations and cloud deployment, I deliver clean, modular, and production-ready solutions tailored to your business needs.
🔧 Services Include:
✔️ REST & GraphQL API Development
✔️ Authentication & Authorization
✔️ Database Design & Optimization
✔️ Cloud Deployment & Configurations
✔️ Third-Party API Integrations
✔️ Security Best Practices
✔️ File Uploads & Media Management
✔️ Background Jobs & Task Queues
💬 Please contact me before placing an order so we can align your requirements with the best solution for your application.
Backend Development, Node.js, NestJS, Express.js, REST API Development, GraphQL API, MongoDB, PostgreSQL, MySQL, API Integration, Authentication & Authorization, Microservices, Cloud Deployment, AWS, Docker, Database Design, CI/CD, Security Best Practices, Server-Side Development, SaaS Backend, Scalable Architecture
Need a secure, scalable, and efficient backend for your web or mobile app? I specialize in building robust backends using Node.js, NestJS, and Express, with database support for MongoDB, PostgreSQL, and MySQL.
From API design and authentication to third-party integrations and cloud deployment, I deliver clean, modular, and production-ready solutions tailored to your business needs.
🔧 Services Include:
✔️ REST & GraphQL API Development
✔️ Authentication & Authorization
✔️ Database Design & Optimization
✔️ Cloud Deployment & Configurations
✔️ Third-Party API Integrations
✔️ Security Best Practices
✔️ File Uploads & Media Management
✔️ Background Jobs & Task Queues
💬 Please contact me before placing an order so we can align your requirements with the best solution for your application.
Backend Development, Node.js, NestJS, Express.js, REST API Development, GraphQL API, MongoDB, PostgreSQL, MySQL, API Integration, Authentication & Authorization, Microservices, Cloud Deployment, AWS, Docker, Database Design, CI/CD, Security Best Practices, Server-Side Development, SaaS Backend, Scalable Architecture
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$150
|
Standard
$400
|
Advanced
$750
|
|---|---|---|---|
| Delivery Time | 3 days | 6 days | 12 days |
Number of Revisions | 2 | 4 | 6 |
Number of Pages | 3 | 6 | 10 |
Design Customization | |||
Content Upload | |||
Responsive Design | - | ||
Source Code | - |
24 reviews
(20)
(1)
(2)
(1)
(0)
This project doesn't have any reviews.
NJ
Nimra J.
May 29, 2026
MERN Stack Clinic Management System with Patient Records, Follow-up Tracking & Electron Desktop App
Haseeb was great to work with. He understood the requirements well, communicated clearly throughout the project, and delivered everything on time with good quality. The application works smoothly and was completed professionally. Would definitely recommend him for MERN stack projects.
RW
Raza W.
Apr 23, 2026
Full Stack Engineer
Haseeb is an incredibly engineer and I'll gladly work with him again on my next projects.
MW
Mohsin W.
Mar 2, 2026
MERN Stack React Specialist Needed for Small Feature Implementation
I had a great experience working with this developer. They clearly understood the requirements from the start and delivered exactly what was requested within the agreed timeline.
The React implementation was clean, well-structured, and easy to integrate with our existing MERN stack setup. API integration was handled smoothly, and the code quality met professional standards with proper use of hooks and best practices.
Communication was clear and consistent throughout the project, and any small adjustments were handled quickly without issues. For a fixed-price task, the value delivered exceeded expectations.
I would confidently recommend this developer for React or MERN stack work and would be happy to work with them again on future projects.
The React implementation was clean, well-structured, and easy to integrate with our existing MERN stack setup. API integration was handled smoothly, and the code quality met professional standards with proper use of hooks and best practices.
Communication was clear and consistent throughout the project, and any small adjustments were handled quickly without issues. For a fixed-price task, the value delivered exceeded expectations.
I would confidently recommend this developer for React or MERN stack work and would be happy to work with them again on future projects.
MY
Murali Y.
Feb 18, 2026
Electron app load time optimizations
Great experience overall. Professional, responsive, and delivered exactly what was needed. Would highly recommend to other clients.
AR
Adam R.
Feb 16, 2026
App
It was great working with Haseeb. He invested a lot of time and effort into building the app for us. Things got a bit challenging toward the end, but he resolved the issues and delivered.
About Haseeb
Electron.js & MERN SaaS Developer | Scalable Desktop & Web Apps
100%
Job Success
Lahore, Pakistan - 2:19 am local time
They fail because of slow performance, poor architecture, and unscalable code.
I'm a Full Stack developer specializing in production-ready SaaS platforms and Electron.js desktop apps — built with React, Next.js, Node.js, MongoDB, and TypeScript. I've shipped 50+ live systems used by real customers daily, including ISP management SaaS, clinic management systems, B2B marketplaces, and cross-platform desktop tools for Windows, macOS, and Linux.
What I build:
— MERN Stack SaaS platforms & admin systems
— React / Next.js frontends with SSR & performance optimization
— Node.js / NestJS backend APIs & microservices
— Electron.js cross-platform desktop applications
— Real-time features (WebSockets, socket. io)
— AI integrations (OpenAI, ChatGPT inside web apps)
— Stripe, Firebase, Supabase & third-party API integrations
Every new client gets a free 30-minute architecture audit before development starts — so I build the right thing from day one, not refactor it later.
Top Rated | 100% Job Success | 6+ years | 25 completed contracts
Message me and let's talk about your project.
Steps for completing your project
After purchasing the project, send requirements so Haseeb can start the project.
Delivery time starts when Haseeb receives requirements from you.
Haseeb works on your project following the steps below.
Revisions may occur after the delivery date.
Overview
Requirement Gathering & Project Planning Node.js Backend & API Architecture development process