Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix react, next js or node js bugs and errors in 24 hours
umairmanzoor
About this gig
Is your React, Next.js or Node.js website broken? I'll find the bug and fix it most bugs within 24 hours.
Hi! I'm a full stack developer specializing in debugging and fixing errors in modern JavaScript web apps. Whether it's a frustrating console error, a broken API, a database issue, or UI that won't behave I'll get your site working smoothly.
I fix bugs in:
- React & Next.js (frontend errors, hooks, rendering issues)
- Node.js & Express (server, API, backend logic)
- MongoDB & PostgreSQL (database queries & connections)
- JavaScript & TypeScript errors
- Responsive/CSS layout bugs
Why choose me:
- I explain what was wrong and why, so the same bug never comes back
- Fast delivery (as quick as 1 day)
- Proper bug investigation I find the root cause, not just patch it
- Clean code with clear communication
- Revisions until you're satisfied
I treat every project with care and deliver working, tested code.
Please send me a message BEFORE placing an order so I can confirm your issue and suggest the right package.
Let's get your website running perfectly order now or send me a message!
Get to know umairmanzoor
umairmanzoor
Full Stack MERN Developer
- FromPakistan
- Member sinceJan 2023
- Avg. response time1 hour
Languages
Urdu, English
Hi, I'm Umair Manzoor, a Full Stack MERN Developer with 3+ years of experience building modern, scalable web applications. I specialize in React.js, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, JavaScript, and TypeScript. I develop responsive websites, REST APIs, admin dashboards, e-commerce platforms, and custom web applications. I focus on clean, maintainable code, performance, and delivering high-quality solutions on time. Let's turn your ideas into reliable and scalable web applications.
My Portfolio
FAQ
What information do you need to start fixing my bug?
Please share your source code (GitHub link or zip file), a clear description of the bug, steps to reproduce it, and any error messages/screenshots. The more details you give, the faster I can fix it!
Which technologies do you work with?
I specialize in the MERN stack — React, Next.js, Node.js, Express, MongoDB — plus PostgreSQL, JavaScript, and TypeScript. If you're not sure whether your issue fits, just message me first.
What if the bug comes back after delivery?
I stand by my work. If the same issue reappears after my fix, I'll resolve it at no extra cost within the revision period. Your satisfaction is my priority.
Can you fix bugs in an existing/live website?
Yes! I can debug and fix issues in existing or live web applications. Just make sure I have access to the relevant code and a way to reproduce the problem.
Do you offer support after the order is complete?
Absolutely. The Premium package includes 7 days of support after delivery, and you can always message me anytime if you have questions about the fix I delivered.
