I will fix nextjs react typescript API and vercel deployment bugs

Is your React or Next.js application broken, throwing errors, or not behaving the way it should?

Send me the problem and I will investigate the actual cause, fix it properly, and make sure the solution works without creating additional issues.

I am a full-stack developer experienced with React, Next.js, TypeScript, Node.js, APIs, authentication, databases, and production deployments.

This Fiverr gig already has more than 60 reviews from previous clients, covering bug fixes, application improvements, integrations, and development work.

I can help you with:

React bugs and runtime errors

Next.js errors and broken pages

TypeScript errors

Build errors

API integration problems

Authentication and login issues

Protected routes and middleware

State management bugs

Forms that do not submit correctly

Tailwind CSS and responsive layout issues

Node.js backend problems

Firebase and Supabase integrations

Database-related bugs

Vercel deployment problems

Broken components

Existing feature improvements

Code cleanup and refactoring

How it works

Send me:

What should happen

What is happening instead

Any error message or screenshot

Your React / Next.js version or technology stack