I will fix bugs and crashes in your android app

M
mhassan98
M
mhassan98
Mubashir Hassan
5.0
5.0
fix bugs and crashes in your android app
Full Screen
fix bugs and crashes in your android app

About this gig

Struggling with crashes, bugs, or unexpected behavior in your Android app? I've got you covered.

With 4+ years of professional Android development experience and 3M+ Play Store downloads across my projects, I know exactly how to diagnose and fix Android issues fast.

I can fix:

  • App crashes & ANRs (App Not Responding)
  • Firebase & Crashlytics reported issues
  • UI glitches and layout problems
  • Memory leaks & performance issues
  • API integration bugs
  • Room database errors
  • RecyclerView & adapter issues
  • Play Store rejection issues

What I need from you:

  • Your project source code
  • Description of the bug/crash
  • Steps to reproduce (if possible)
  • Crashlytics or logcat logs (if available)

Why choose me?

  • Senior Android Developer with real production experience
  • Kotlin & Java expertise
  • Clean, well-documented fixes
  • Clear communication throughout
  • On-time delivery guaranteed
  • Drop me a message before ordering I'll review your issue and confirm I can fix it!

  • App type

    • Native

  • Purpose

    • Chat
    • Streaming
    • Music
    • Restaurant
    • Kids
    • Education
    • AR
    • Quiz
    • VPN
    • Wallet app

  • Expertise

    • Localization
    • Design
    • Ads & monetization
    • Data storage
    • Firebase
    • Analytics
    • API integration

  • Programming language

    • Java
    • Kotlin
    • Python
    • React Native
    • Dart

  • Frameworks

    • Flutter
    • Jetpack Compose
    • Android
    • React Native

  • Tools

    • Glide
    • Expo
    • Android Studio
    • Firebase
    • Supabase

Get to know Mubashir Hassan

Mubashir Hassan

Senior Android Developer, using Java and Kotlin

5.0(2)
  • FromPakistan
  • Member sinceJul 2020
  • Last delivery4 years

  • Languages

    Urdu, English, Punjabi
Senior Android Developer with 4+ years of experience & 3M+ Play Store downloads. I specialize in Kotlin & Java, MVVM & Clean Architecture, Jetpack libraries (Room, LiveData, ViewModel, Navigation), Firebase (Auth, Firestore, Crashlytics, FCM), and AdMob monetization. I've shipped AI tools, AR, VPN, Islamic, and productivity apps — all live with real users. Need an app built from scratch, a feature added, a bug fixed, or an existing app optimized? I deliver clean code, on time, with clear communication

My Portfolio

Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • V

    vitaliy123123

    Repeat Client

    UA

    Ukraine

    5

    Excellnt job again! Thank you!

    Helpful?
    Yes
    No
  • V

    vitaliy123123

    Repeat Client

    UA

    Ukraine

    5

    The job has been done excellent and without any extra questions! Very professional freelancer and I strongly recommend him working with! Thank you!

    Helpful?
    Yes
    No
Reviews

2 reviews for this Gig
5.0

(2)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Recommend to a friend
    5
  • Service as described
    5
Sort By
Most relevant
  • V

    vitaliy123123

    Repeat Client

    UA

    Ukraine

    5

    Excellnt job again! Thank you!

    Helpful?
    Yes
    No
  • V

    vitaliy123123

    Repeat Client

    UA

    Ukraine

    5

    The job has been done excellent and without any extra questions! Very professional freelancer and I strongly recommend him working with! Thank you!

    Helpful?
    Yes
    No

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