I will fix react bugs and improve your web application


About this gig
Are you facing bugs, errors, or unexpected behavior in your React, Next.js, or MERN stack application?
I am a Full Stack MERN Developer with 3+ years of professional development experience. I help troubleshoot existing applications and fix issues with clean, maintainable code.
WHAT I CAN HELP YOU WITH
React.js component and rendering bugs
Next.js routing and page errors
JavaScript and TypeScript issues
Node.js and Express.js backend errors
REST API integration and debugging
MongoDB and PostgreSQL-related issues
Form validation and state management bugs
Responsive UI problems
Performance bottlenecks and unnecessary re-renders
WHY WORK WITH ME?
3+ years of development experience
Experience working on a live production platform
Strong understanding of frontend and backend development
Focus on identifying root causes rather than applying temporary fixes
Clean, maintainable solutions and clear communication
I also have hands-on experience optimizing a production React application, reducing its bundle size from 4 MB to 168 KB and improving its Lighthouse performance score from 25 to 75+.
HOW TO GET STARTED
- Describe the issue you are experiencing.
- Share the relevant error message, logs, o
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Get to know Basit Qasuria
MERN Stack Developer React and Node JS Expert
- FromPakistan
- Member sinceDec 2020
- Avg. response time1 hour
Languages
Urdu, English
FAQ
What types of bugs can you fix?
I can help fix React, Next.js, JavaScript, TypeScript, Node.js, Express.js, API integration, database-related, and responsive UI issues, depending on the project scope.
Do you work with existing MERN stack projects?
Yes. I can troubleshoot and fix issues in existing MongoDB, Express.js, React.js, and Node.js applications.
What information should I provide before ordering?
Please describe the issue, explain the expected behavior, and share relevant error messages, screenshots, or a reproducible example. I will confirm the scope before starting.
Can you fix backend and API errors?
Yes. I work with Node.js, Express.js, REST APIs, MongoDB, and PostgreSQL. Please share your issue so I can confirm whether it fits the selected package.
Are new features or complete redesigns included?
This Gig focuses on debugging and targeted fixes. New features, major refactoring, and complete redesigns require a separate agreement or custom offer.
