I will fix nodejs, express and mongodb backend bugs and API issues

Is your Node.js backend not working the way it should? I will help you quickly identify the problem and deliver a clean, working solution so your application runs smoothly again.

When you order this gig, you will get a fixed and stable backend where your APIs, database queries, and server logic work correctly. Instead of spending hours searching for the bug, you will receive a clear solution and properly functioning code.

What you will get:

Fixed Node.js or Express backend errors

Working API endpoints that return correct data

MongoDB or Mongoose queries corrected and optimized

Clean and readable code improvements where necessary

Clear explanation of what caused the issue (if needed)

Common problems I fix:

API routes not responding correctly

MongoDB queries returning wrong results

Server crashes or runtime errors

Async / promise issues

Logic bugs in backend code

Technologies I work with:

Node.js

Express.js

MongoDB

Mongoose

REST APIs

JavaScript

My goal is simple: deliver a backend that works reliably so you can continue building your project without frustration.

Please contact me before placing an order so I can understand the issue and recommend the right package.