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Fiverr Pro
English
$
USD
I will fix or build node js express js API
Mashiat Jahan
About this gig
I will build a powerful, secure, and scalable backend system for your web or mobile application, including payment gateway integration.
With 2+ years of experience in MERN stack development, I specialize in creating clean, efficient, and production-ready backend solutions tailored to your business needs.
What I Offer:
- REST API development (Node.js + Express)
- Database design & integration (MongoDB / Firebase)
- Authentication & Authorization (JWT, OAuth)
- Payment Integration (Stripe, PayPal, SSLCommerz, etc.)
- Real-time features (Socket.IO chat, notifications)
- API integration (AI APIs, third-party services)
- Secure transactions and webhook handling
- Clean, maintainable, and scalable code structure
Why Choose Me:
- Secure payment processing implementation
- Clean and structured coding practices
- Fast communication and support
- On-time delivery
- Scalable architecture for future growth
Whether you need a simple API or a full system with payments, I'm here to help bring your idea to life.
Note: Please contact me before placing an order to discuss your project requirements in detail and ensure the best possible solution.
Get to know Mashiat Jahan
Mashiat Jahan
Full stack developer
- FromBangladesh
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Bengali, English, Hindi
Hi, I'm Mashiat — a full-stack developer specializing in the MERN stack and Flutter.
I help startup founders and small businesses build fast, secure, and scalable apps — with clean code, smooth performance, and features like REST APIs, authentication, and database optimization.
What you get working with me:
Scalable web and mobile apps
Secure authentication and REST APIs
Optimized database performance
I've built multiple real-world projects using modern tools and best practices, always focused on real business needs.
Have an idea? Message me — I'll help you plan the best solution.
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Other Software Development Services I Offer
FAQ
Do you provide payment gateway integration?
Yes, I can integrate secure payment gateways such as Stripe and PayPal. I ensure proper handling of transactions, webhooks, and security best practices.
What technologies do you use for backend development?
I mainly use Node.js, Express.js, and MongoDB (MERN stack). I can also work with Firebase and integrate third-party APIs, including AI services and external platforms.
