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I will fix android app bugs, issues, crashes and optimize performance
Transforming Ideas into Seamless Android Apps!
Hello! I’m Shamsul, a professional Android app developer with 10+ years of experience building high-quality apps using Kotlin and Java.
With a proven 5.0 rating across 70+ projects, you’ll get relia...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Android App Crashing or Showing Errors?
Get fast, professional Android bug fixing & debugging services.
MESSAGE BEFORE ORDERING to get accurate cost & timeline.
10+ Years Experience | 70+ Happy Clients | 5.0 Rating
I fix Android app crashes, bugs, and performance issues using Kotlin & Java delivering stable, production-ready apps.
What I Fix
- ️ App crashes (startup, runtime, ANR)
- ️ Kotlin / Java errors
- ️ UI bugs (XML & Jetpack Compose)
- ️ API & network issues (Retrofit)
- ️ Firebase (Auth, Firestore, FCM)
- ️ Gradle & build errors
- ️ Google Play Store rejection fixes
- ️ Performance issues & lag
- ️ SQLite / Room database issues
- ️ AdMob & ads integration issues
- ️ Update to latest Play Console policies
- ️ Upgrade to API level 36 (targetSdk)
How It Works
- Share APK or source code
- Debug & analyze issues
- Fix & optimize performance
- Deliver stable, bug-free app
Tech Stack
Kotlin | Java | Android Studio | Jetpack Compose | Firebase | Retrofit
Why Choose Me
- ️ Clean, scalable fixes (no temporary patches)
- ️ Fast delivery & clear communication
- ️ Fully tested before delivery
- ️ Post-delivery support
Guarantee:
Stable, crash-free Android app with root-cause fixes.
Platform:
Android
App type:
Native
Frameworks:
Laravel
•
Jetpack Compose
•
Node.js
Tools:
Flutterflow
•
Expo
•
AppSheet
•
Android Studio
•
Supabase
My Portfolio
Other Mobile App Maintenance Services I Offer
FAQ
Do you fix Android app crashes and bugs?
Yes, I fix all types of Android app bugs, including crashes, ANR issues, and unexpected errors in Kotlin or Java apps.
Can you fix bugs in Kotlin and Java Android apps?
Yes, I work with both Kotlin and Java Android apps using Android Studio and modern tools.
What kind of Android bugs can you fix?
I fix UI bugs, API errors, Firebase issues, Gradle/build errors, performance issues, and more.
Do you need my source code to fix the bug?
Yes, I usually need your source code or GitHub access to properly debug and fix the issue.
How long does it take to fix an Android bug?
Simple bugs can be fixed quickly, while complex issues may take longer. I always aim for fast and reliable delivery.
Can you fix bugs in published apps?
Yes, I can fix bugs in both existing and published Android apps.
Do you provide support after fixing the bug?
Yes, I provide support after delivery to ensure everything works correctly.
Reviews
1 reviews for this Gig
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Rating Breakdown
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- Quality of delivery
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U underesis
Repeat Client
Spain
I've worked with him several times before, so I didn't hesitate to try this new service. As always, it was the right choice. He carefully reviewed my app, made sure everything was working properly, and updated the API to meet the latest Google Play requirements. Everything was completed quickly and...
Up to $50
Price
2 weeks
Duration
A 
Seller's Response
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
U underesis
Repeat Client
Spain
I've worked with him several times before, so I didn't hesitate to try this new service. As always, it was the right choice. He carefully reviewed my app, made sure everything was working properly, and updated the API to meet the latest Google Play requirements. Everything was completed quickly and...
Up to $50
Price
2 weeks
Duration
A Seller's Response
Helpful?
