I will fix react and nextjs bugs, errors, and performance issues


About this gig
React & Next.js Debugging That Fixes the Root Cause
Dealing with a stubborn bug, hydration mismatch, TypeScript error, broken API call, or responsive issue? Ill trace the root cause and deliver a clean, maintainable fix while preserving your applications existing behavior and design.
I can help with:
- React and Next.js bugs
- Hydration and server/client rendering mismatches
- Runtime, build, and console errors
- TypeScript and JavaScript issues
- REST API and data-fetching problems
- React Query caching and synchronization
- React Hooks and state-management bugs
- Tailwind CSS, Material UI, and responsive layouts
- Orval-generated API client issues
- Performance problems and unnecessary re-renders
Youll receive:
- Clear diagnosis of the issue
- Clean, production-quality code
- Testing to verify the fix
- A brief explanation of what changed
- Fast and reliable communication
Please message me before ordering with the error details, expected behavior, screenshots, and relevant code or repository access.
Respect third-party rights
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Get to know Ali
Senior FrontEnd Developer, React, Nextjs
- FromTurkey
- Member sinceJun 2026
Languages
English
My Portfolio
FAQ
What technologies do you work with?
I work with React, Next.js, TypeScript, JavaScript, Tailwind CSS, Material UI, REST APIs, React Query, Redux, HTML5, and CSS3.
Do you fix React and Next.js projects of any size?
Yes. I can fix everything from small UI issues and console errors to complex bugs, API integration problems, performance issues, and production-ready React or Next.js applications.
Can you fix deployment or build errors?
Yes. I can resolve build failures, dependency issues, TypeScript errors, Vercel deployment problems, hydration errors, and production-related bugs.
What do you need before starting?
Please send: A description of the issue Your GitHub repository or project files Any error messages or screenshots Steps to reproduce the problem (if possible) This helps me identify the issue quickly and provide the best solution.

