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I will develop rest API for your web app with nodejs as a backend developer
MustafijurMohan
About this gig
Your backend is the engine of your product and a weak engine kills great ideas.
I'm a Node.js backend developer specializing in secure, scalable server-side systems for SaaS platforms and data-driven applications. From REST API development to full database architecture, I handle the layers your users never see but always depend on.
What I deliver:
- Custom REST API development with Node.js and Express.js
- SaaS backend with multi-tenancy and Stripe Payment Integration
- JWT-based authentication and role-based access control
- MongoDB, MySQL, or PostgreSQL (Prisma) database design, modeling, and optimization
- Error Handling & Code Optimization
- Third-party API integration Email, Storage services
- API Testing & Documentation
- Deployment on Render, Vercel
Tech stack:
Node.js · Express.js · MongoDB · MySQL · PostgreSQL · Prisma · Mongoose · JWT · Postman
REST API · Stripe · TypeScript · Git
As a backend developer, I write code that is structured, documented, and built to grow with your product. Every API endpoint is tested, every database schema is planned nothing is left to chance.
Have a specific scope in mind? Feel free to message me happy to help plan it out before you order.
Get to know MustafijurMohan
MustafijurMohan
Full Stack Developer MERN
- FromBangladesh
- Member sinceJun 2026
- Avg. response time1 hour
Languages
English, Bengali, Hindi
Assalamu Alaikum wa Rahmatullahi wa Barakatuh.
My name is Mustafijur Mohan, I'm a Full Stack Developer (MERN) building secure, scalable, and production-ready web applications for businesses and individuals worldwide.
I hold an MBA in Accounting (2022), giving me a practical edge when building financial tools, dashboards, and business management applications.
I'm currently deepening my skills in AI integration — Prompt Engineering, Context Engineering, and AI Automation — to help clients build smarter, more efficient products.
Let's build something great together!
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Other Software Development Services I Offer
FAQ
What backend technologies do you use?
I primarily work with Node.js and Express.js for server-side development, MongoDB with Mongoose for database management, and JWT for authentication. For payments I use Stripe, and for deployment I work with Render, and Vercel.
Can you build a REST API that connects to my existing frontend?
Yes. I specialize in REST API development and can build a fully documented backend that connects seamlessly to any frontend — React, Next.js, or mobile apps. Just share your requirements and I will design the API structure accordingly.
Can you integrate third-party APIs into my backend?
Yes. Third-party API integration is a core part of my backend work. I have integrated payment gateways, email services, cloud storage, Database Security Package and Middleware into Node.js backends. Share your required services and I will handle the integration.
Do you write clean and documented code?
Yes. Every project I deliver follows a clean folder structure, uses meaningful naming conventions, and includes inline comments where needed. API endpoints are documented so your team or future developer can understand and extend the codebase without issues.
Will you deploy the backend after completion?
Yes. Deployment is included in the Standard and Premium packages. I deploy Node.js backends on Render or Vercel with proper environment variable configuration, so your API is live and ready to connect to your frontend immediately after delivery.
