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I will fix authentication login signup and oauth issues
Zaman Khan
About this gig
Is your login or authentication system not working?
I help developers and startups fix authentication problems in modern web applications built with Next.js and React.
Common issues I fix:
Login / signup errors
NextAuth configuration issues
Auth0 authentication problems
Supabase auth errors
OAuth login failures
Session handling issues
Protected route problems
Role based access bugs
What you get:
Working authentication system
Secure login/signup flow
Debugged OAuth providers
Stable session management
Clean and maintainable fix
If your authentication system is broken or login is failing, I can quickly diagnose and resolve the issue.
Respect third-party rights
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Get to know Zaman Khan
Zaman Khan
Nextjs React Debugging Expert Fix Build Errors Auth Bugs Broken Apps
- FromPakistan
- Member sinceJun 2025
Languages
English
I am a full stack developer specializing in Nextjs and React applications. I help businesses and startups fix broken web apps, resolve build errors, runtime bugs, authentication issues, API problems, and deployment failures.
My focus is fast debugging and stable production fixes. I quickly identify root causes and restore functionality so your application can run smoothly and launch without issues.
If your Nextjs or React app is failing to build, crashing, or blocking your launch, I can diagnose and fix the problem efficiently.
FAQ
What authentication systems can you fix?
I can help fix authentication issues in systems such as NextAuth, Auth0, Supabase Auth, OAuth login providers (Google, GitHub, etc.), and custom login/signup implementations.
What types of login problems can you solve?
I can fix issues such as login failures, signup errors, OAuth authentication problems, session handling bugs, protected route errors, and role-based access issues.
What do you need to start working on the issue?
I usually need the project repository or source code, error details or screenshots, and steps to reproduce the issue.
Can you fix authentication issues in Next.js and React apps?
Yes. I specialize in debugging authentication problems in modern web applications built with Next.js and React.
Do you help with OAuth providers like Google or GitHub login?
Yes. I can debug and fix OAuth login issues including Google, GitHub, and other social login providers.
