I will fix node js backend bugs, express js API, mongodb and postgresql issues


About this gig
Are you facing bugs or errors in your Node.js backend, Express.js API, MongoDB, PostgreSQL, Prisma, JWT authentication, Stripe webhook, or REST API?
I can help you debug and fix backend issues professionally with clean, scalable, and production-ready code.
I can fix:
- Node.js backend bugs
- Express.js API errors
- REST API endpoint issues
- MongoDB and Mongoose query bugs
- PostgreSQL and Prisma ORM errors
- JWT authentication and authorization issues
- Login, signup, and role-based access bugs
- Stripe payment and webhook issues
- Third-party API integration bugs
- Deployment, server, and environment errors
- Backend performance and response handling issues
Why choose me?
- Strong backend development experience
- Clean and maintainable code
- Fast bug investigation
- Clear communication
- Production-ready solutions
Technologies I work with:
Node.js, Express.js, REST APIs, GraphQL, MongoDB, Mongoose, PostgreSQL, Prisma ORM, MySQL, JWT, Stripe, Webhooks, and third-party APIs.
Please contact me before placing an order so I can review your backend issue and suggest the best package.
Get to know Muhammad Abid
Full Stack Web Developer, React, Node, Databases and Deployment
- FromPakistan
- Member sinceMay 2026
- Avg. response time1 hour
Languages
English, Urdu, French
My Portfolio
Other Software Development Services I Offer
FAQ
What do you need to start fixing my backend issue?
I need a clear description of the issue, error screenshots or logs, API endpoint details, and access to the codebase or relevant files.
Can you fix Node.js and Express.js API errors?
Yes, I can fix Node.js backend bugs, Express.js API issues, REST API errors, response handling problems, and server-side errors.
Can you fix database issues?
Yes, I can fix MongoDB, Mongoose, PostgreSQL, Prisma ORM, MySQL, database query, migration, and relationship issues.
Can you fix authentication and authorization bugs?
Yes, I can fix JWT authentication, refresh token issues, login/signup errors, role-based access bugs, and authorization problems.
Can you fix Stripe payment or webhook issues?
Yes, I can debug and fix Stripe payment integration, webhook handling, checkout session, payment intent, and subscription-related backend issues.
Do you provide documentation after fixing the bug?
Yes, depending on the package, I can provide a short explanation, fix documentation, and code comments where needed.
Should I contact you before placing an order?
Yes, please contact me before placing an order so I can review the issue and recommend the correct package.
