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I will fix nodejs express mongodb backend bugs and API errors
Harsh
About this gig
Are you facing backend errors in your Node.js application?
I will debug and fix backend issues related to Node.js, Express.js, MongoDB, REST APIs, authentication, and server setup.
I can help with:
API errors and crashes
MongoDB connection problems
JWT authentication bugs
Express.js routing issues
CRUD operation fixes
Backend performance issues
Deployment/server errors
Error handling improvements
Technologies:
- Node.js
- Express.js
- MongoDB
- Mongoose
- JWT
- REST API
Get to know Harsh
Harsh
Nodejs Backend Developer JWT Auth OTP and REST APIs
- FromIndia
- Member sinceJan 2021
- Avg. response time1 hour
Languages
Hindi, English
Backend developer specializing in secure and scalable web applications using Node.js, Express.js, and MongoDB. Skilled in JWT authentication, OTP verification, Google OAuth, REST API development, and backend bug fixing. I build reliable authentication systems and high-performance APIs with clean architecture, maintainable code, and security-focused practices. Focused on delivering stable, efficient, and professional backend solutions tailored for modern web applications and business needs.
Other Software Development Services I Offer
FAQ
What do you need before starting the bug fix?
Please provide your source code, error message, issue details, and access to the backend files if needed.
Which technologies do you support?
I work with Node.js, Express.js, MongoDB, Mongoose, REST APIs, JWT authentication, and backend debugging.
Can you fix API and database errors?
Yes, I can debug and fix REST API issues, MongoDB connection problems, CRUD errors, and backend logic bugs.
Do you fix authentication and login issues?
Yes, I can fix JWT authentication, login/signup bugs, authorization issues, and secure backend access problems.
Can you work with existing projects?
Yes, I can debug and improve existing backend projects and help optimize your current codebase.
