I will fix react, next js, node js and express bugs


About this gig
Having issues with your React, Next.js, Node.js, or Express.js application?
I'm here to help!
I will quickly identify and fix bugs in your web application, whether it's a frontend, backend, API, authentication, or database issue. I write clean, maintainable code and ensure your application works smoothly after every fix.
Services I Offer:
- React.js Bug Fixes
- Next.js Errors & Build Issues
- Node.js & Express.js Backend Fixes
- REST API Debugging
- MongoDB Database Issues
- Authentication Fixes (JWT, Clerk, Firebase, Supabase)
- Performance Optimization
- Code Refactoring & Cleanup
- Responsive UI Fixes
- Third-Party API Integration Issues
Why Choose Me?
- Fast Response & Delivery
- Clean & Secure Code
- Professional Debugging
- Source Code Included
- Reliable Communication
- 100% Client Satisfaction
Please contact me before placing an order to discuss your issue and choose the best package. I'll provide a reliable and efficient solution tailored to your project.
Get to know M Sufyan Ali
Full Stack Developer
- FromPakistan
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Urdu, English, Hindi
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FAQ
What types of bugs can you fix?
I can fix frontend, backend, database, authentication, API, deployment, and performance issues in React.js, Next.js, Node.js, Express.js, and MERN Stack applications.
Can you fix bugs in my existing project?
Yes. I can debug and fix issues in your existing codebase without rebuilding the entire project. Please share the project details before placing an order.
Do you fix authentication and API issues?
Absolutely. I can fix JWT, Clerk, Firebase, Supabase authentication, REST APIs, database connections, third-party API integrations, and server-side issues.
Do I need to provide my source code?
Yes. Please provide your project source code or GitHub repository along with a clear description of the issue so I can diagnose and fix it efficiently.
Should I contact you before placing an order?
Yes. Please message me first with your error details, screenshots, or project requirements. I'll review the issue and recommend the most suitable package before we begin.

