I will fix mern stack bugs, react and nodejs errors within 24 hours


About this gig
Is a bug or error breaking your MERN stack app and holding up your project?
I'm Abdullah, a full stack developer. I quickly find and fix problems in React, Node.js, Express and MongoDB applications, so your app works the way it should.
WHAT I FIX
- React UI and component issues
- Node.js and Express errors
- MongoDB and Mongoose problems
- REST API bugs
- Authentication and JWT problems
- Frontend and backend integration issues
WHAT YOU GET
- The bug found and fixed in your code
- A clear explanation of what caused it
- Fix documentation
- A tested, working solution
HOW IT WORKS
1. Send me the repo, error message or a short description
2. I review it and confirm scope and price
3. I fix the issue and explain the changes
4. You test it and I refine if needed
Message me before ordering with your error details, and I'll confirm I can fix it.
Get to know Abdullah Anis
Full Stack Developer for Scalable Web Applications SaaS and AI Solutions
- FromPakistan
- Member sinceJun 2026
Languages
Urdu, English
My Portfolio
Other Software Development Services I Offer
FAQ
Q: What MERN technologies do you support?
A: React.js, Node.js, Express.js, MongoDB, REST APIs, Authentication Systems, and Database Integration.
Q: Can you fix authentication and login issues?
A: Yes, I can troubleshoot JWT, session-based authentication, authorization, and login/register issues.
Q: Can you fix API errors?
A: Yes, I can debug API routes, controllers, middleware, and database integration problems.
Q: Do you provide source code?
A: Yes, all fixes are delivered with updated source code.
Q: How long does debugging take?
A: Basic package: 1 day. Standard package: 1 day. Premium package: 2 days. Most bugs are fixed within 24 hours.
Q: What if the bug is more complex than expected?
A: Contact me BEFORE ordering. Send me the details, and I'll assess it honestly and recommend the right package.
Q: Do you provide explanations for the fixes?
A: Absolutely! For every fix, I provide code explanations, how the fix works, and how to prevent similar bugs in the future.

