Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix bugs, update, optimize your android, ios or flutter app
Mobile App and Web Developer Flutter React Admin Panels and AI Solutions
Hi! I’m M Shahid Shah, a Full Stack Developer with 10+ years of experience and 100+ successful projects delivered worldwide. I build mobile apps (Native Android, iOS & Flutter), websites and SaaS plat...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
I'm Shahid Shah, a senior mobile app developer with 12+ years of experience and 100+ apps successfully launched on the App Store and Google Play Store.
I specialize in mobile app bug fixing, app updates, and performance optimization for Android, iOS, and Flutter apps. Whether your app is built in Java, Kotlin, Swift, Objective-C, Flutter, or React Native, I can quickly identify issues and deliver clean, scalable solutions.
What I Offer:
- Fix mobile app bugs and crashes
- Update apps for latest Android & iOS versions
- Optimize app performance and speed
- Improve UI/UX for better user experience
- Add new features and enhancements
- Fix API, backend, and integration issues
- App Store & Play Store compliance fixes
Platforms & Technologies:
- Android (Java, Kotlin)
- iOS (Swift, Objective-C)
- Flutter apps
- React Native apps
Why Choose Me?
- Fast delivery & clear communication
- Clean, professional, and scalable code
- Experience with startups and business apps
- 100% client satisfaction focus
Lets bring your app back to life smooth, fast, and bug-free.
Contact me before placing an order to get the best solution for your app!
Platform:
Cross-platforms
App type:
Hybrid
Frameworks:
Flutter
•
NativeScript
•
Jetpack Compose
•
SwiftUI
•
Other
Tools:
Expo
•
Android Studio
•
Unity
•
Xcode
My Portfolio
FAQ
What do you need from me to start?
I’ll need your source code, list of issues, and any design or feature references (if applicable).
Can you update my app for the latest Android/iOS version?
Absolutely! I can handle OS updates, deprecated API replacements, and store compliance.
Do you offer long-term maintenance?
Yes! Message me to discuss monthly or ongoing support plans.
Reviews
34 reviews for this Gig
| (34) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B best2work
Ireland
⭐⭐⭐ Exceptional work, The freelancer was professional and delivered exactly what I needed, on time and exactly as I expected. Thanks, bro keep up the great work.
Up to $50
Price
3 days
Duration
S 
Seller's Response
Helpful?M milosh999
Repeat Client
Serbia
M Shahid Shah truly EXCELLED in mobile app maintenance, delivering work that was exceptionally professional and detailed. His quick responsiveness and cooperative nature, along with polite communication, made this a perfect collaboration. I'm very happy with the results. 👍
$50-$100
Price
1 day
Duration
S Seller's Response
Helpful?M milosh999
Repeat Client
Serbia
Everything done perfectly and quickly
$100-$200
Price
1 day
Duration
S Seller's Response
Helpful?A 
adriencarter
Repeat Client
France
Perfect communication. Quick delivery and awesome results. I can only recommend Shahid for any work you need on your application. We move from old version to new one so quick and smooth. I did work with him before and can’t imagine to go with someone else for my app. 🙏🏻🙏🏻🙏🏻
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?J joe_jandl
Repeat Client
United Kingdom
Shahid is a fantastic freelancer to work with. We have worked with him before and his resposiveness and attention to detail is fantastic. He took away all of the difficulty out of the task for us and will certainly be contacting him again.
$100-$200
Price
1 day
Duration
S Seller's Response
Helpful?
Reviews
34 reviews for this Gig
| (34) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B best2work
Ireland
⭐⭐⭐ Exceptional work, The freelancer was professional and delivered exactly what I needed, on time and exactly as I expected. Thanks, bro keep up the great work.
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?M milosh999
Repeat Client
Serbia
M Shahid Shah truly EXCELLED in mobile app maintenance, delivering work that was exceptionally professional and detailed. His quick responsiveness and cooperative nature, along with polite communication, made this a perfect collaboration. I'm very happy with the results. 👍
$50-$100
Price
1 day
Duration
S Seller's Response
Helpful?M milosh999
Repeat Client
Serbia
Everything done perfectly and quickly
$100-$200
Price
1 day
Duration
S Seller's Response
Helpful?A adriencarter
Repeat Client
France
Perfect communication. Quick delivery and awesome results. I can only recommend Shahid for any work you need on your application. We move from old version to new one so quick and smooth. I did work with him before and can’t imagine to go with someone else for my app. 🙏🏻🙏🏻🙏🏻
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?J joe_jandl
Repeat Client
United Kingdom
Shahid is a fantastic freelancer to work with. We have worked with him before and his resposiveness and attention to detail is fantastic. He took away all of the difficulty out of the task for us and will certainly be contacting him again.
$100-$200
Price
1 day
Duration
S Seller's Response
Helpful?
