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$
USD
I will fix bugs and errors in your node js express API and mongodb backend
Muditha S
About this gig
Having issues with your Node.js, Express.js, MongoDB, or REST API backend?
I will professionally debug and fix errors in your backend application, identify the root cause, and provide a reliable solution.
What I can help with:
- Node.js & Express.js errors
- REST API bugs and errors
- MongoDB & Mongoose issues
- API request/response problems
- Authentication & JWT issues
- CORS and middleware errors
- CRUD operation bugs
- Server and routing errors
- Postman API testing
- Backend performance issues
I will investigate the issue, fix the bug, test the solution, and explain the changes when needed.
Please contact me before ordering if you have a complex or large backend issue so we can confirm the requirements.
Let's get your backend working properly again!
- Basic Quick Bug Fix
Fix 1 small Node.js/Express.js backend bug. Includes bug investigation, fixing, and basic testing.
- Standard API Debugging
Debug and fix up to 3 Node.js/Express.js API issues. Includes investigation, testing, and fix documentation.
- Premium Backend Debugging
Debug and fix up to 5 related backend issues in Node.js/Express.js/MongoDB. Includes testing, documentation, and detailed code comments.
Get to know Muditha S
Muditha S
Software Engineering and Industrial Statistics Undergraduate
- FromSri Lanka
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Sinhala, English
I am a Software Engineering and Industrial Statistics undergraduate with hands-on experience in Python, MERN stack development, and backend systems. I specialize in building scalable web applications, REST APIs, and integrating machine learning functionality into real-world systems. I am passionate about AI-powered technologies and solving practical problems through software engineering and analytics.
My Portfolio
FAQ
What technologies do you work with?
I specialize in JavaScript backend development, including Node.js, Express.js, MongoDB, Mongoose, and REST APIs.
What types of bugs can you fix?
I can help with API errors, routing issues, middleware problems, authentication/JWT errors, CORS issues, CRUD bugs, MongoDB/Mongoose errors, and server-side issues.
Can you debug an existing backend project?
Yes. You can provide your existing source code and details about the issue, and I will investigate the problem and implement the appropriate fix.
Do you test the fix after debugging?
Yes. I will test the relevant API or functionality after applying the fix to make sure the solution works as expected.
Can you fix multiple bugs?
Yes. The number of bugs depends on the package you select. Basic covers 1 bug, Standard covers up to 3 bugs, and Premium covers up to 5 related bugs.
What do you need from me before starting?
Please provide the relevant source code, a clear description of the issue, error messages or screenshots if available, steps to reproduce the problem, and any necessary API or database information.
