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I will fix react native expo app errors authentication and API issues
danny linue
About this gig
Are you struggling with React Native or Expo app errors, broken authentication, failed API requests, or unexpected crashes? I can quickly identify the root cause and deliver reliable solutions that restore your app's performance.
I specialize in debugging React Native and Expo applications by resolving authentication failures, login issues, API integration errors, REST API problems, Firebase authentication, Supabase authentication, JWT token issues, network request failures, dependency conflicts, SDK incompatibilities, navigation bugs, state management issues, push notification errors, and runtime crashes.
What you'll receive:
- React Native & Expo expert troubleshooting
- Authentication and login fixes
- API integration debugging
- Firebase & Supabase support
- Performance optimization
- Clean and maintainable code
- Complete testing before delivery
- Fast communication and reliable support
If your app has broken authentication, failing APIs, or React Native errors preventing users from accessing your application, send me a message before ordering and I'll help get everything working quickly and professionally.
Get to know danny linue
danny linue
web app developer
- FromUnited Kingdom
- Member sinceJan 2026
Languages
English
I specialize in diagnosing, troubleshooting, and fixing web app, mobile app, backend, API, and AI software issues for startups, SaaS businesses, agencies, and developers. From Expo, React Native, Next.js, Node.js, Supabase, Prisma, Stripe, RevenueCat, Superwall, AppsFlyer, OpenAI, Claude, and n8n to authentication, database, deployment, payment, automation, and performance problems, I deliver fast, reliable solutions that restore functionality and keep your applications running smoothly.
Other Vibe Coding Services I Offer
FAQ
1. What React Native and Expo issues can you fix?
I can fix crashes, authentication failures, API errors, navigation bugs, dependency conflicts, SDK issues, build errors, performance problems, and runtime exceptions.
2. Can you fix Firebase and Supabase authentication?
Yes. I troubleshoot email/password authentication, social logins, JWT token issues, session management, authentication redirects, and permission-related problems.
3. Which APIs can you integrate or troubleshoot?
I work with REST APIs, GraphQL APIs, Firebase, Supabase, Stripe, OpenAI APIs, third-party SDKs, and custom backend services.
4. What do you need to get started?
Please provide your source code or Git repository, API documentation if available, authentication details (when necessary), error logs, and a description of the issue.
5. Will you test the application after fixing the issues?
Absolutely. Every fix is thoroughly tested to verify authentication, API communication, app stability, and overall functionality before delivery
