I will decompile, modify, and reverse engineer your android apk

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Monu S
decompile, modify, and reverse engineer your android apk
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decompile, modify, and reverse engineer your android apk

About this gig

Lost your app's original source code? Need to update an API URL, logo, or

logic inside an existing APK without starting from scratch?

  You are in the right place! I specialize in Android reverse engineering,

  decompilation, and bytecode modification to safely customize and rebuild

  APKs when source code is unavailable.


  What I Can Do For You:

  Decompile & Analyze APKs: Inspecting Smali, DEX bytecode, assets, and

  AndroidManifest.xml.

  API Endpoint & URL Updates: Redirect hardcoded server URLs, domains, or

  endpoints to your new backend.

  Branding & Assets Modification: Updating logos, launcher icons, colors,

  package name, and UI text strings.

  Fixing Crashes & Bugs: Resolving runtime exceptions and compatibility

  errors without source code.

  Removing Obsolete Modules: Stripping dead third-party libraries,

  tracking SDKs, or conflicting modules.

  Repackaging, Aligning & Signing: Rebuilding the APK, 4KB page

  zipaligning, and re-signing with modern Android V2/V3 signatures.


  Why Choose Me?

  Deep expertise in Android NDK, JNI, Smali bytecode, and Dalvik/ART 

  architecture.

  Thorough testing on real devices before delivery.

  Fast turnaround and 100% confident

  • App type

    • Hybrid

  • Purpose

    • Dating
    • Streaming
    • Restaurant
    • Taxi
    • Booking
    • Finance
    • Medical
    • Custom
    • E-commerce
    • Real estate

  • Expertise

    • Cross-browser/Device compatibility
    • Performance
    • Design
    • Ads & monetization
    • Firebase
    • Release management
    • API integration

  • Programming language

    • C
    • Java
    • Kotlin
    • Python
    • Dart

  • Frameworks

    • Flutter
    • PhoneGap
    • NativeScript
    • Jetpack Compose
    • Node.js
    • Android
    • React Native

  • Tools

    • Flutterflow
    • Android Studio
    • Unity
    • Firebase

Get to know Monu S

Monu S

Android Native Systems Developer

  • FromIndia
  • Member sinceSep 2026
  • Avg. response time6 hours
  • Last delivery2 days

  • Languages

    English
I am a versatile, performance-focused Systems & Android Developer with deep expertise in Android NDK, C/C++17, and low-level memory optimization. I have a proven track record of developing native processing engines and 60 FPS 3D game architectures with zero memory leaks. I am experienced in full-lifecycle product delivery, from Linux automation to Google Play Console releases and AdMob revenue mediation.

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