I will fix react nextjs javascript typescript or backend bugs

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Muhammad Uzair

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

  1. React bugs and component issues
  2. Next.js errors and routing problems
  3. JavaScript & TypeScript issues
  4. Node.js & Express backend bugs
  5. API integration issues
  6. MongoDB database errors
  7. Authentication (JWT, Firebase, OAuth)
  8. Responsive UI issues
  9. Tailwind CSS & CSS fixes
  10. Performance optimization
  11. 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

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 Muhammad Uzair

Muhammad Uzair

Web Developer

5.0(2)
  • FromPakistan
  • Member sinceDec 2025
  • Avg. response time2 hours
  • Last delivery5 days
  • Languages

    English, German, Arabic
Hi, I’m Muhammad Uzair, a passionate MERN Stack Developer specializing in React.js, Node.js, Express.js, and MongoDB, with strong expertise in HTML, CSS, JavaScript, Bootstrap, and Tailwind CSS. I build modern, responsive, and high-performance web applications with clean code and a focus on great user experience.

My Portfolio