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Fiverr Pro
English
$
USD
I will fix, debug, customize and upgrade your flutter android, ios app
Flutter Developer
Hello! I’m a Flutter developer with 4+ years of hands-on experience building scalable, production-ready apps for iOS and Android. I’ve worked across full lifecycles — from idea to App Store/Play Store...
About this Gig
Struggling with your Flutter app? I specialize in fixing, debugging, and optimizing Flutter apps for both Android and iOS platforms.
Services I Provide:
- Fix Flutter Bugs and Crashes
- Debug Build Errors and Gradle Issues
- Customize UI/UX for Better User Experience
- Upgrade and Migrate Flutter Projects
- Optimize Performance and Responsiveness
- Address API and Backend Problems
- Correct Signup/Login and Notification Issues
- Resolve Runtime Crashes and State Management Problems
- Fix UI Bugs, File Handling, and Network Connectivity Issues
- Handle Device-Specific Issues and Dependency Conflicts
- Localization and Internationalization Solutions
- Custom Widget Problems and Memory Leaks
- Troubleshoot Custom Platform Code
- Fix Firebase Integration and Payment Gateway Errors
- Ensure AndroidX Compatibility
Why Work with Me?
With 3+ years of Flutter experience, I deliver expert solutions to keep your app running smoothly and efficiently. Whether you need bug fixes, performance optimization, or customization, Ive got you covered. Order now to get your app back on track!
Platform:
Cross-platforms
App type:
Hybrid
Frameworks:
Flutter
Purpose:
Custom
Programming language:
Kotlin
•
Dart
•
Swift
Tools:
Android Studio
•
Xcode
Other Mobile App Maintenance Services I Offer
FAQ
Do you work on both Android and iOS?
Yes, I handle Flutter issues on both Android and iOS platforms
What types of issues can you fix?
I fix bugs, crashes, UI issues, performance problems, API integration, and more for Flutter apps.
Can you fix runtime crashes in my Flutter app?
Yes, I specialize in diagnosing and fixing runtime crashes for Flutter apps on both Android and iOS.
Do you handle Flutter UI/UX customization?
Absolutely! I can customize and optimize your Flutter app's UI/UX to improve user experience.
Can you resolve API integration issues?
Yes, I fix API and backend integration issues, ensuring smooth communication between your app and server.
Do you support Flutter app migration to newer versions?
Yes, I handle migrations to the latest Flutter versions, including Null Safety and AndroidX compatibility.
Reviews
8 reviews for this Gig
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| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Z zooomly
United States
Good job on the work always a pleasure doing business
$200-$400
Price
8 days
Duration
Helpful?Z zooomly
United States
Good job thank you
$50-$100
Price
1 day
Duration
Helpful?P 
projectk23
India
Great Developer! Sumon was very professional and delivered exactly as promised. Smooth and hassle-free experience. Highly recommended. I liked him a lot, and he is one of my best developers. I would like to give the next project to him as soon as possible. I look forward to working with him again. I...
$100-$200
Price
2 days
Duration
Helpful?S skarmokar
India
Sumon Sheikh delivered an EXCEPTIONAL service in mobile app maintenance, demonstrating unparalleled professionalism and attention to detail that truly exceeded expectations. Working with him was a pleasure, thanks to his politeness, great cooperation, and remarkably quick responsiveness. I couldn't be happier with the experience! 👍
$100-$200
Price
3 weeks
Duration
Helpful?M mblonder
Malaysia
it's very great experience to having Sumon to working with for your project, you will feel no regret for the first and ongoing works you can bear to him.
$50-$100
Price
3 days
Duration
Helpful?
Reviews
8 reviews for this Gig
| (8) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
Z zooomly
United States
Good job on the work always a pleasure doing business
$200-$400
Price
8 days
Duration
Helpful?Z zooomly
United States
Good job thank you
$50-$100
Price
1 day
Duration
Helpful?P projectk23
India
Great Developer! Sumon was very professional and delivered exactly as promised. Smooth and hassle-free experience. Highly recommended. I liked him a lot, and he is one of my best developers. I would like to give the next project to him as soon as possible. I look forward to working with him again. I...
$100-$200
Price
2 days
Duration
Helpful?S skarmokar
India
Sumon Sheikh delivered an EXCEPTIONAL service in mobile app maintenance, demonstrating unparalleled professionalism and attention to detail that truly exceeded expectations. Working with him was a pleasure, thanks to his politeness, great cooperation, and remarkably quick responsiveness. I couldn't be happier with the experience! 👍
$100-$200
Price
3 weeks
Duration
Helpful?M mblonder
Malaysia
it's very great experience to having Sumon to working with for your project, you will feel no regret for the first and ongoing works you can bear to him.
$50-$100
Price
3 days
Duration
Helpful?
