I will fix node js express API bugs in 24 hours


About this gig
Is your Node.js or Express API broken, crashing, or returning unexpected errors?
I will debug and fix your Node.js backend with a clean, reliable solution instead of a temporary patch.
WHAT I CAN FIX
- API crashes, 500 errors, 404 errors, and CORS issues
- MongoDB and PostgreSQL connection or query problems
- JWT authentication, login, signup, and token expiration issues
- Broken REST API endpoints and request validation
- Middleware, routing, and backend logic bugs
WHAT YOU WILL GET
- Fixed source code with a clear explanation of the root cause
- API testing using Postman
- Screenshot proof of testing when applicable
- Clean and maintainable code
- 3 days of free support after delivery
TECHNOLOGIES
Node.js, Express.js, MongoDB, Mongoose, PostgreSQL, Prisma, Sequelize, JWT, and REST APIs.
IMPORTANT
Please message me before ordering with your repository link or source code, error logs, and a short description of the issue. I will confirm the scope, price, and delivery time before starting.
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Get to know Abhishek Sharma
Full Stack Developer
- FromIndia
- Member sinceDec 2025
- Avg. response time1 hour
Languages
Punjabi, Hindi, English
My Portfolio
FAQ
What do you need to start?
Please provide your source code as a ZIP file or repository link, the error logs or screenshots, and instructions for running the project.
Do you work with both MongoDB and PostgreSQL?
Yes, I can troubleshoot both databases and their Node.js integrations.
Will you explain the fix?
Yes, I will explain the main cause of the issue and the changes made.
Do you test the API after fixing it?
Yes, I test the affected endpoints using Postman or an appropriate testing method.
