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I will debug and fix react js, next js, and node js bugs and errors fast
Mubashir
About this gig
Is your website broken, showing errors, or not working properly?
I am a Full Stack Developer with strong experience in debugging and fixing real-world issues in React, Next.js, Node.js, and full-stack applications.
I specialize in finding the root cause of bugs and delivering clean, reliable fixes so your app runs smoothly without recurring issues.
What I can fix:
- Login & authentication issues (users cant sign in/signup)
- Frontend not connecting to backend (API errors, CORS issues)
- Broken features or crashes
- Slow loading or performance issues
- Responsive issues (mobile/tablet)
- Database errors or data not saving
- React / Next.js rendering or state issues
- Node.js / Express server errors
Why choose me:
- I fix the root cause, not temporary issues
- Clear explanation of the problem and solution
- Clean, optimized, scalable fixes
- Fast communication and delivery
- I treat your project like my own
Facing bugs or errors in your application? Lets identify the problem and get your application running smoothly.
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 Mubashir
Mubashir
MERN Stack Developer Web Apps and Custom Solutions
- FromPakistan
- Member sinceFeb 2025
Languages
English, Urdu
MERN Stack Developer with 5+ years of experience building scalable web applications and solving complex full-stack challenges.
I specialize in developing custom systems such as booking platforms, dashboards, and business applications, along with fast bug fixing in React, Node.js, Express, and MongoDB.
My expertise includes resolving API issues, performance problems, and frontend/backend errors, ensuring smooth functionality and user experience.
I focus on delivering clean, reliable solutions that help businesses run smoothly and scale effectively.
My Portfolio
FAQ
What kind of issues can you fix?
I can fix a wide range of full-stack issues including frontend bugs, backend errors, API issues, database problems, authentication issues, performance issues, and deployment-related errors in React, Next.js, Node.js, and Express applications.
How do you identify the root cause of a bug?
I carefully analyze your code, logs, and application flow to find the actual root cause instead of just applying temporary fixes. This ensures the issue does not come back again.
Will you explain the issue and solution after fixing it?
Yes, I always provide a clear explanation of the problem and how it was fixed so you understand what went wrong and how to avoid it in the future.
Do you provide documentation or notes after fixing the issue?
Yes, if needed I can provide simple documentation or notes explaining the fix, especially for complex issues or integrations so your team can understand it easily.
What if the issue is not clear or I don’t know the exact problem?
No problem at all. You can just share your project, and I will analyze it to identify the issue. Even if you are not sure what’s broken, I can help debug it.
How fast can you fix my issue?
It depends on the complexity of the problem. Simple issues can be fixed within hours, while complex bugs may take longer. I always prioritize fast and efficient delivery.
Do you provide support after the fix is completed?
Yes, I provide support after delivery. If the same issue reappears due to the fix I implemented, I will resolve it again at no additional cost.
