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I will fix flutter app bugs, errors and performance issues
Zeeshan Ahmed
About this gig
If you're experiencing bugs, crashes, build errors, or performance issues in your Flutter application, you've come to the right place.
I'm a Flutter developer who specializes in identifying and resolving issues in existing Flutter applications for both Android and iOS. Whether your app has a UI problem, Firebase issue, API integration error, or unexpected crashes, I focus on finding the root cause and delivering a clean, reliable, and maintainable solution.
Services I Offer
Fix Flutter bugs and errors
Resolve app crashes and exceptions
Fix build and compilation issues
Debug UI and layout problems
Firebase Authentication, Firestore, Storage, FCM, and other Firebase issues
REST API integration and networking fixes
State management issues (Provider, Riverpod, Bloc, GetX, etc.)
Dependency and package conflict resolution
Android and iOS compatibility fixes
Improve app performance and stability
Refactor and optimize existing Flutter code
Upgrade Flutter SDK and package versions
Why Choose Me?
I believe that fixing a bug is not just about removing an errorit's about delivering a stable, scalable, and maintainable application. Every issue is carefully analyzed before implementation to ensu
Get to know Zeeshan Ahmed
Zeeshan Ahmed
Flutter Mobile App Developer for Android and iOS
- FromPakistan
- Member sinceJun 2026
- Avg. response time1 hour
- Last delivery2 weeks
Languages
English, Urdu, Hindi
Hi, I’m Zeeshan, a Flutter Mobile App Developer with 5+ years of experience building Android and iOS applications. I specialize in Flutter, Firebase, REST APIs, responsive UI, real-time features, bug fixing and performance optimization. I help startups and businesses turn ideas and Figma designs into clean, scalable and user-friendly apps. I focus on maintainable code, clear communication, reliable delivery and complete client satisfaction.
My Portfolio
FAQ
Can you fix bugs in my existing Flutter application?
Yes. I can debug and fix issues in existing Flutter applications for both Android and iOS, including crashes, UI problems, build errors, performance issues, and unexpected behavior.
Can you fix Firebase-related issues?
Yes. I can resolve issues related to Firebase Authentication, Firestore, Realtime Database, Cloud Storage, Push Notifications (FCM), Firebase Analytics, and other Firebase services.
Can you fix REST API integration issues?
Absolutely. I can troubleshoot API integration problems, authentication issues, JSON parsing errors, networking problems, and backend communication in Flutter applications.
Do you support both Android and iOS?
Yes, I develop and debug Flutter applications for both Android and iOS using a single codebase, ensuring compatibility across both platforms.
Will I receive the updated source code?
Yes. You will receive the complete updated source code with all agreed fixes and improvements included in your delivery.
Can you improve my app's performance?
Yes. I can optimize Flutter applications by improving performance, reducing lag, fixing memory-related issues, optimizing rendering, and enhancing overall app stability.
What do you need before starting the project?
Please provide your Flutter project files or Git repository, a detailed description of the issue, error logs or screenshots (if available), and any additional information that will help reproduce the problem.
Should I contact you before placing an order?
Yes. I recommend contacting me before placing an order so I can review your requirements, evaluate the issue, and recommend the most suitable package. This ensures accurate pricing and a smooth development process.
Do you fix Flutter projects using Provider, Bloc, Riverpod, or GetX?
Yes. I can debug and maintain Flutter applications built with popular state management solutions such as Provider, Bloc, Riverpod, GetX, and other commonly used Flutter architectures.
