Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix flutter app bugs, errors, crashes, firebase and API issues for android ios
Pelumi Femieben
About this gig
Is your Flutter app crashing, showing errors, or failing to connect to Firebase or an API? Maybe login, Firestore, a feature, Android/iOS build, or your production app is not working as expected.
I fix and troubleshoot existing Flutter apps by finding the root cause and applying a reliable fix. Whether you need a Flutter bug fix, crash fix, Firebase troubleshooting, REST API integration, authentication repair, UI/logic correction, or Android/iOS build fix, I can help get your app working properly.
I can fix:
- Flutter bugs, errors, exceptions and crashes
- Firebase Auth, Firestore, Storage and FCM issues
- REST API, JSON, network and backend errors
- Login, signup, OTP and authentication problems
- Android, iOS, Gradle, Xcode and build issues
- UI, state-management and feature bugs
- Existing app performance and functionality issues
You get focused debugging, clear communication and a practical solutionnot a temporary workaround. Send me your error, screenshot, video or project details so I can understand the problem before you order.
Ready to fix your Flutter app? Message me now with the issue and lets get it working.
Get to know Pelumi Femieben
Pelumi Femieben
AI App Developer, Bubble, FlutterFlow, Flutter and API Integrations
- FromNigeria
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English, Yoruba, French
I build and improve AI-powered web and mobile apps for startups, SaaS founders, agencies, and businesses. I specialize in Bubble, FlutterFlow, Flutter, AI app development, OpenAI API, Claude API, API integrations, MVP development, workflows, databases, and app troubleshooting. Whether you need an MVP built, an existing app fixed, or AI features integrated into your product, I focus on clean functionality, reliable integrations, and a production-ready user experience. Contact me now lets bring your idea to life.
FAQ
Can you fix Flutter app crashes and runtime errors?
Yes. I can diagnose and fix Flutter app crashes, runtime errors, exceptions, red-screen errors, and unexpected behavior. I’ll trace the underlying Dart, dependency, Firebase, API, or platform issue instead of applying a temporary workaround that causes another problem later.
Can you fix Flutter Firebase Authentication and Firestore issues?
Yes. I can troubleshoot Firebase Authentication, login/signup, OTP, Google Sign-In, Firestore, Storage, FCM, security rules, and Firebase configuration issues. This includes cases where authentication fails, data does not load, users are not created correctly, or Firebase works inconsistently across
Can you fix Flutter REST API and network errors?
Yes. I can debug Flutter REST API integration, JSON responses, failed requests, network errors, authentication headers, incorrect data handling, and backend connection problems. I can also troubleshoot cases where an API works in one environment but fails in production or on a specific device.
Can you fix Flutter Android Gradle and build errors?
Yes. I can troubleshoot Flutter Android build failures involving Gradle, Kotlin, dependencies, SDK versions, plugins, manifest configuration, and release builds. This is useful when your Flutter project suddenly stops building, produces dependency conflicts, or fails when generating an APK or AAB.
Can you fix Flutter iOS Xcode and CocoaPods errors?
Yes. I can troubleshoot Flutter iOS build and release problems involving Xcode, CocoaPods, Pods, signing, certificates, provisioning, dependencies, and iOS configuration. I can also investigate platform-specific issues where the Flutter app works on Android but fails to build or run correctly on iOS
Can you fix Flutter UI, state and feature bugs?
Yes. I can fix Flutter UI layout problems, broken navigation, state-management bugs, incorrect workflows, data not updating, buttons or screens behaving incorrectly, and incomplete features. I can work through common patterns such as GetX, Provider, Bloc, Riverpod, and related Flutter application
Can you fix Flutter app performance and loading problems?
Yes. I can investigate slow screens, excessive loading, unnecessary rebuilds, memory issues, inefficient API calls, Firebase-related delays, and other Flutter performance problems. The goal is to identify the bottleneck and improve the affected functionality without breaking existing app behavior.
Can you fix Flutter bugs in an existing app without rebuilding it?
Yes. I specialize in troubleshooting existing Flutter applications rather than unnecessarily rebuilding them. I can diagnose bugs, crashes, Firebase/API issues, authentication problems, build errors, and broken features while preserving the existing architecture and functionality wherever practical.
