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I will fix bugs, crashes and errors in android ios flutter react native apps
Gig Summary
Expert Mobile App Developer iOS, Android, Custom Solutions
I'm a Senior Software Developer with 12+ years of experience in Mobile App and Web Development, having delivered 350+ projects worldwide. I now specialize in AI-driven mobile apps, AI-powered websites...
Level 1
Has met certain performance criteria and shows strong potential in the marketplace.
About this Gig
Is your mobile app crashing, showing errors, or not working properly?
I will professionally fix bugs, crashes, build errors, performance issues, UI problems, API issues and other technical problems in your existing mobile app.
With 11+ years of professional development experience and 300+ completed projects, I can troubleshoot and maintain:
Android Java & Kotlin
iOS Swift & Objective-C
Flutter & Dart
React Native
Firebase & REST APIs
PHP / Laravel Backends
WHAT I CAN FIX:
App crashes, freezes & errors
Android Studio / Xcode build issues
Flutter & React Native errors
UI and layout bugs
API & Firebase problems
Login & authentication issues
Push notifications
Payment integration issues
Performance & compatibility problems
Gradle / CocoaPods errors
Google Play & App Store update issues
SDK and dependency updates
WHY ME?
11+ years of experience
300+ projects completed
Clean & reliable solutions
Proper testing before delivery
Long-term maintenance available
Please contact me before ordering and share your issue, screenshots/error logs and source code if available. I will review the problem and recommend the right package.
Let's make your app stable, fast and reliable!
Platform:
Android
App type:
Native
Frameworks:
Flutter
•
NativeScript
•
Jetpack Compose
•
SwiftUI
Programming language:
Dart
•
Java
•
Kotlin
My Portfolio
FAQ
What information do I need to provide for bug fixes or API level updates?
Please provide: The source code of your app A detailed description of the bugs/issues The current SDK version and target API level Any specific requirements or changes you want implemented
How do you ensure my source code remains secure?
I take confidentiality and security very seriously. Your source code will only be used for the purpose of fixing bugs and upgrading the API level. I can also sign an NDA if required.
Can you update my app to the latest API level (API level 35)?
Yes, I can update your app to target API level 35, ensuring it meets the latest Android requirements and guidelines.
What if my app has compatibility issues after the API level upgrade?
I will thoroughly test your app to identify and fix any compatibility issues that arise after upgrading the API level. This includes checking for deprecated features and making necessary adjustments.
How long will it take to fix bugs and upgrade the API level?
The time required depends on the complexity of the bugs and the scope of the upgrade. I will provide an estimated timeline after reviewing your project details.
Do you provide post-update support?
Yes, I offer post-update support to ensure your app runs smoothly after the upgrade and bug fixes. This includes addressing any issues that may arise within a specified period.
Will updating the API level affect my app's performance?
Updating to a higher API level can improve your app's performance and security. I will ensure that the upgrade does not negatively impact your app's functionality.
What if I have multiple apps that need updating?
I can handle multiple apps. Please provide details of each app, and I will offer a customized package deal for bulk updates.
Can you also add new features during the update process?
Yes, I can add new features or make enhancements to your app upon request. Please specify your requirements, and I will include them in the project scope.
Reviews
22 reviews for this Gig
| (21) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A 
asdshop
Greece
I would like to thank you warmly for the excellent service in upgrading our application. The entire experience of our collaboration was simply perfect, professional, and completely successful. I was particularly impressed by your prompt response and the speed of the project's completion. The new environment...
$100-$200
Price
1 day
Duration
Helpful?L 
liranliran
Israel
Not my first time working together, and there's a reason I came back. Professional, helpful, and reliable. Highly recommended.
$100-$200
Price
6 days
Duration
D 
Seller's Response
Helpful?K 
koderius
Israel
Delivered as expected in a timely manner
$100-$200
Price
8 days
Duration
Helpful?L liranliran
Israel
Great work as always! fast delivery
$100-$200
Price
5 days
Duration
D Seller's Response
Helpful?L liranliran
Israel
high quality, always pleasure working with
$100-$200
Price
2 days
Duration
D Seller's Response
Helpful?
Reviews
22 reviews for this Gig
| (21) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A asdshop
Greece
I would like to thank you warmly for the excellent service in upgrading our application. The entire experience of our collaboration was simply perfect, professional, and completely successful. I was particularly impressed by your prompt response and the speed of the project's completion. The new environment...
$100-$200
Price
1 day
Duration
Helpful?L liranliran
Israel
Not my first time working together, and there's a reason I came back. Professional, helpful, and reliable. Highly recommended.
$100-$200
Price
6 days
Duration
D Seller's Response
Helpful?K koderius
Israel
Delivered as expected in a timely manner
$100-$200
Price
8 days
Duration
Helpful?L liranliran
Israel
Great work as always! fast delivery
$100-$200
Price
5 days
Duration
D Seller's Response
Helpful?L liranliran
Israel
high quality, always pleasure working with
$100-$200
Price
2 days
Duration
D Seller's Response
Helpful?
