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Fiverr Pro
English
$
USD
I will fix react and nextjs bugs, UI and performance issues
Mahedi
About this gig
Are you facing bugs, errors, or performance issues in your React or Next.js application?
Don't worry, I'm here to help you fix issues quickly, cleanly, and professionally.
I am an experienced React & Next.js developer who specializes in debugging, bug fixing, and performance optimization for production-ready web applications.
What I Can Fix for You
- React.js bugs & errors
- Next.js build & runtime issues
- JavaScript & TypeScript errors
- Console errors & warnings
- State management issues
- API integration bugs
- UI / UX layout problems
- Page speed & performance optimization
- SEO-related issues in Next.js
- Deployment & build failures
I don't just fix the bug; I explain the issue (if needed) and ensure it doesn't happen again.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Mahedi
Mahedi
Full Stack Developer, JavaScript, React, Next, Node, Express, MySQL
- FromBangladesh
- Member sinceMay 2020
Languages
Bengali, English
Hello! 👋 I’m a Senior Software Engineer specializing in React.js, Next.js, Node.js, Express, and MySQL. I help businesses and startups build fast, scalable, and SEO-friendly web applications with clean and maintainable code.
From front-end interfaces to back-end APIs, I handle everything needed to bring your project from concept to completion with performance, security, and usability in mind.
🔥 Why Choose Me
✅ Clean, scalable, and production-ready code
✅ 100% responsive UI and mobile-first design
✅ Secure backend with authentication and validation
✅ Fast delivery with regular support
FAQ
Can you fix React or Next.js bugs urgently?
Yes. Most bugs can be fixed within a few hours. For urgent issues, please message me before ordering.
Do you work with existing code?
Absolutely. I specialize in debugging and improving existing React and Next.js projects.
Will you explain what caused the bug?
Yes, if you want. I can explain the issue and how to prevent it.
Can you fix deployment or build errors?
Yes. I can troubleshoot issues related to Vercel, Netlify, or server deployment for React, Next.js, and Node.js.
