I will flutter bug fix, crash debug and performance optimization


About this gig
App crashes, slow performance & unresolved Flutter bugs can ruin user experience and hurt your business growth.
A stable, fast & bug-free Flutter app is essential for keeping users engaged & improving app ratings.
Hello! I am a professional Flutter developer with 5+ years of experience in debugging, crash fixing & performance optimization for Android & iOS applications. I will identify, troubleshoot & fix Flutter app issues quickly while improving speed, responsiveness & overall app stability.
What I Fix & Optimize:
- Flutter bug fixing & troubleshooting
- App crashes & unexpected closures
- Memory leaks & high RAM usage
- Slow navigation & janky animations
- Excessive widget rebuilds & frame drops
- API call delays & poor network handling
- Background freezes & battery drain issues
- iOS & Android platform-specific crashes
Why Choose Me:
- Crash-free rate improved to 99%+ for clients
- 100% client satisfaction
- Clean, documented code fixes
- Fast turnaround with bug reports included
Order now and let me fix your Flutter bugs, stop the crashes & make your app run buttery smooth, risk-free.
Get to know Saadat Zaman
Mobile Application Developer for Android and IOS
- FromPakistan
- Member sinceDec 2022
- Avg. response time1 hour
- Last delivery9 months
Languages
Pashto, Urdu, English, Spanish, German, French
My Portfolio
Other Mobile App Development Services I Offer
FAQ
Do I need to share my full source code?
Yes, I need access to your Flutter project source code to reproduce, diagnose & fix bugs or crashes.
Which Flutter versions do you support?
I support Flutter stable versions from 2.0 to the latest 3.x releases.
Will you work on both iOS and Android builds?
Yes, all fixes and optimizations apply to both iOS & Android platforms.
Can you fix crashes from Firebase Crashlytics logs?
Absolutely. Just share your Firebase Crashlytics reports & I'll debug and fix every listed crash.
Do you also add new features during bug fixing?
Minor feature additions can be bundled. For larger features, please contact me for a custom offer.
Will my app's performance improve noticeably?
Yes. My standard package improves speed & smoothness. The premium package delivers 60%+ measurable performance gains.
What if bugs reappear after delivery?
I provide 15 days of free support with the Premium package. Other packages include 7 days of post-delivery bug support.
How do I share my code with you securely?
You can share via Google Drive, Dropbox, or a private GitHub repo. All code is kept strictly confidential and deleted after delivery.

