I will fix react nextjs javascript typescript or backend bugs


About this gig
Fix React, Next.js, JavaScript, TypeScript & Backend Bugs
Are you facing bugs or errors in your React, Next.js, JavaScript, TypeScript, Node.js, or Express application?
You're in the right place.
I'm a Full Stack Web Developer with 3+ years of experience building and maintaining modern web applications. I can quickly identify the root cause of issues and provide clean, scalable, and reliable solutions.
What I can fix
- React bugs and component issues
- Next.js errors and routing problems
- JavaScript & TypeScript issues
- Node.js & Express backend bugs
- API integration issues
- MongoDB database errors
- Authentication (JWT, Firebase, OAuth)
- Responsive UI issues
- Tailwind CSS & CSS fixes
- Performance optimization
- Build & deployment errors
Why choose me?
- ️ Clean and maintainable code
- ️ Fast response time
- ️ On-time delivery
- ️ Thorough testing before delivery
- ️ Clear communication throughout the project
- ️ 100% Client Satisfaction
Technologies
* React.js
* Next.js
* JavaScript
* TypeScript
* Node.js
* Express.js
* MongoDB
* HTML5
* CSS3
* Tailwind CSS
* Bootstrap
* REST APIs
* Git & GitHub
Before placing an order
* Project details
* Source code (GitHub or ZIP)
* Bug description
Respect third-party rights
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Get to know Muhammad Uzair
Web Developer
- FromPakistan
- Member sinceDec 2025
- Avg. response time2 hours
- Last delivery5 days
Languages
English, German, Arabic
My Portfolio
FAQ
Do you work on existing projects?
Yes. I can fix bugs, add features, refactor code, and optimize existing applications.
Can you fix urgent bugs?
Yes. Please message me before ordering to confirm my availability.
Do you work with GitHub repositories?
Yes. I can work directly with GitHub, GitLab, Bitbucket, or ZIP files.
Will you deploy the project?
Yes. Deployment is available as a gig extra.
Do you sign NDAs?
Yes, I can work under an NDA if required.