I will react js, next js, javascript bugs and frontend issues


About this gig
Facing a React, Next.js, or JavaScript bug that you can't solve?
I will professionally debug and fix issues in your existing web application and help get your website working correctly.
I am a MERN Stack Developer with 2.5+ years of professional experience, specializing in React.js, Next.js, JavaScript, Node.js, Express.js, REST APIs, MongoDB, and responsive UI development.
What I Can Fix
React JS bugs and errors
Next JS issues
JavaScript errors
React Hooks problems
API integration issues
Axios / REST API problems
Login & authentication issues
State management issues
HTML/CSS responsive problems
MUI / Tailwind CSS issues
Node.js & Express.js errors
MongoDB integration problems
Frontend performance issues
UI functionality problems
Build and runtime errors
Technologies I Work With
Frontend: React.js, Next.js, JavaScript, HTML5, CSS3
Backend: Node.js, Express.js, REST APIs
Database: MongoDB
UI: Material UI, Tailwind CSS, SCSS
Tools: Git, GitHub, Postman
⭐ Why Choose Me?
I focus on identifying the root cause of the problem rather than applying temporary fixes. My professional experience includes improving application performance, optimizing React/Next.js modules, improving authenticati
Get to know Gulraiz R
MERN Stack Developer
- FromPakistan
- Member sinceSep 2026
Languages
English
FAQ
Can you fix bugs in an existing React project?
Yes. I can debug and fix issues in existing React.js and Next.js applications without rebuilding the entire project.
Can you fix API integration problems?
Yes. I can troubleshoot REST API integration issues involving React/Next.js, Node.js, Express.js and MongoDB.
Can you fix login or authentication problems?
Yes. I can troubleshoot frontend and backend authentication issues involving React/Next.js and Express.js.
Can you fix responsive design issues?
Yes. I can troubleshoot HTML/CSS, MUI, Tailwind CSS and responsive layout issues.
Can you fix Next.js errors?
Yes. I can troubleshoot common Next.js application issues, including frontend errors, API integration problems, routing issues and other application-level bugs.
Can you work with GitHub repositories?
Yes. Git and GitHub are part of my professional development workflow. You can provide the relevant repository or project files according to the agreed scope.
Can you fix any programming language?
No. This gig is specifically focused on JavaScript-based web technologies such as React.js, Next.js, Node.js and Express.js. Please contact me before ordering if you're unsure whether your issue is supported.
