I will fix bugs and errors in your react nodejs mongodb mern app

Is your React, Node.js, or MongoDB app throwing errors you can't figure out?

I specialize in diagnosing and fixing bugs in MERN stack (MongoDB, Express, 

React, Node.js) applications quickly, clearly, and without unnecessary 

rewrites.

WHAT I FIX:

- React bugs (rendering, state, props, hooks, event handlers)

- Node.js & Express errors (routes, middleware, async issues)

- MongoDB errors (queries, schema validation, connection issues)

- Authentication & JWT problems

- CORS errors

- API integration issues (frontend backend not connecting)

- Deployment issues (Vercel, Render, Netlify, Railway)

- npm/Vite build errors

- Environment variable & config issues

HOW IT WORKS:

1. You share the error message, code, or repo access

2. I diagnose the root cause (not just a surface patch)

3. I fix it and test it

4. I explain what went wrong and how to avoid it in the future

WHY WORK WITH ME:

I don't just paste a fix I explain the "why" so you actually understand 

your own codebase better afterward. I've built and deployed full MERN 

applications myself, so I know exactly where things typically break.

SCOPE:

This gig covers debugging and fixing existing code not building new 

features.