I will fix bugs and crashes in your flutter app

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drukkhan786
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drukkhan786
Umair Khan

About this gig

Is your Flutter app crashing, showing errors, or not building anymore? I fix bugs, crashes, broken UI, and outdated code so your app runs smoothly again on iOS, Android, and web fast.


What I fix:

- App crashes, freezes, and runtime errors

- Broken layouts, UI overflow, and responsiveness issues

- Build failures after Flutter/Dart SDK updates

- API or Firebase integration errors

- Null safety and dependency conflicts

- Performance issues (slow load, memory leaks, laggy scrolling)


How it works:

1. Send me your project (GitHub, ZIP, or Codemagic/Firebase access) plus the error log or a description of the issue

2. I review the code and confirm the fix scope and timeline before starting

3. I debug, test on real devices, and fix the root cause not just the symptom

4. You get the corrected code plus a short explanation of what caused the issue

5. Free 3-day follow-up support if the same bug resurfaces


Why work with me:

I focus on clean root-cause fixes, not quick patches that break something else later. You'll get clear updates throughout no disappearing after payment. Whether it's one stubborn bug or a full app health check, I'll get your Flutter app stable and store-ready again.

Get to know Umair Khan

Umair Khan

MidLevel Flutter Developer, Full Stack Flutter Mobile Application Developer

  • FromPakistan
  • Member sinceJul 2022
  • Avg. response time1 hour
  • Languages

    Urdu, English
I am a Full-Stack Flutter Developer with over 3 years of experience building and shipping cross-platform applications integrated with AI, Firebase, and scalable backend architectures. I have a proven track record of deploying production apps to the Google Play Store and Apple App Store.

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