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Fiverr Pro
English
$
USD
I will do flutter bug fixing and app performance optimization
I Build Flutter Mobile Apps for iOS and Android
I’m a Flutter Developer with 3+ years of experience building high-quality iOS & Android apps from a single codebase. I’ve worked on real-world apps like Nest AI, GAIA AI, and LQDCNVS, focusing on clea...
About this Gig
Are your users abandoning your Flutter app due to crashes, slow load times, or UI jank? In 2026, smooth performance is critical. I'm Afaq Zahir, a specialized Flutter developer focused on deep debugging and app optimization.
Whether you have a broken API, a state management issue, or a layout breaking on iOS/Android, I will diagnose and fix it rapidly.
What I Can Fix:
- App Crashes: Startup failures, null-safety errors, and Gradle/Xcode build issues.
- UI/UX Glitches: Pixel overflows, design tweaks, and responsive layout fixes.
- Performance Optimization: Fixing memory leaks, reducing unnecessary widget rebuilds, and optimizing long lists.
- Integrations: Firebase push notifications, REST API errors, and SQLite database logic.
- State Management: Troubleshooting complex state explosions in Riverpod, BLoC, Provider, or GetX.
Why Hire Me?
- Over 3 years of dedicated Flutter debugging expertise.
- Clean, maintainable code solutions.
- Stop endless hot-reload loops and get a proper diagnosis of the root cause so the bug never returns.
Please send me a message with your app's issue or error log before ordering so we can discuss the fix. Let's make your app flawless!
My Portfolio
FAQ
How long will it take to fix the bug in my Flutter app?
The time to fix a Flutter app bug depends on the complexity but is typically prompt.
Will you test the app after fixing the bug?
Yes, I'll thoroughly test the app after fixing the bug to ensure it's working correctly.
What if I'm not satisfied with the bug fix?
If you're unsatisfied with the bug fix, I'll work on it until you're content.
Can you fix bugs in both iOS and Android apps?
I can fix bugs in both iOS and Android Flutter apps.
Do you provide support after fixing the bug?
I provide support after fixing the bug to address any issues that may arise.
How do you optimize a Flutter app for better performance?
I focus on minimizing unnecessary widget rebuilds, optimizing list rendering with fixed item sizes, and preventing memory leaks by properly disposing of streams and long-lived controllers. This ensures your app runs smoothly without UI jank.
What kind of Flutter bugs can you fix?
I can diagnose and resolve a wide range of issues, from simple UI/UX layout glitches and API connection errors to deep architectural problems like state explosion in Riverpod or BLoC, and platform channel misconfigurations.
