I will develop and fix android apps in java, kotlin, and jetpack compose

J
junaidapps
J
junaidapps
Junaid
develop and fix android apps in java, kotlin, and jetpack compose
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develop and fix android apps in java, kotlin, and jetpack compose
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develop and fix android apps in java, kotlin, and jetpack composedevelop and fix android apps in java, kotlin, and jetpack compose

About this gig

Im a Mobile Systems Engineer with 5+ years of experience in Android app development, having built and published multiple apps on Google Play with thousands of active users. I specialize in custom app development, bug fixing, app modernization, and API integrations.

What I Offer:

  • Custom Android App Development (Java | Kotlin | Jetpack Compose)
  • Bug fixing & performance optimization
  • Upgrade old apps to the latest Android technologies
  • Convert websites into Android apps
  • Integration with Firebase, SQLite, AWS, Google Maps, Twilio, Stripe, Facebook SDK, REST APIs
  • Payment gateway & subscription integration
  • AdMob / AppLovin monetization setup
  • Multi-language & localization support
  • Cross-device & cross-browser compatibility
  • Secure, scalable, and high-performance apps

Tools & Technologies:

  • Languages: Java, Kotlin
  • Frameworks/Libraries: Jetpack Compose, Hilt/Dagger2, Retrofit, Room, ExoPlayer, Picasso
  • Cloud Services: Firebase (Auth, Firestore, Crashlytics, Analytics), AWS
  • Payments: Google Play Billing, Stripe SDK
  • Monetization: AdMob, AppLovin

Why Choose Me?

  • 100% professional and reliable service
  • Clean & maintainable code (follows best practices)
  • Lets turn your idea into successful Android App

  • App type

    • Hybrid

  • Purpose

    • Chat
    • Dating
    • Streaming
    • Entertainment
    • Health & Fitness
    • Maps & navigation
    • Education
    • Travel
    • Custom
    • E-commerce

  • Expertise

    • Cross-browser/Device compatibility
    • Localization
    • Performance
    • Security
    • Ads & monetization
    • Data storage
    • Firebase

  • Programming language

    • Java
    • Kotlin

  • Frameworks

    • Jetpack Compose
    • Android

  • Tools

    • Glide
    • Android Studio
    • Firebase

Get to know Junaid

Junaid

Android app expert turning ideas into scalable apps with 1M installs

  • FromPakistan
  • Member sinceSep 2025
  • Avg. response time3 days

  • Languages

    Urdu, Pashto, English
I help businesses turn ideas into high-performing Android apps that pass Play Store review and scale confidently. With 5+ years of hands-on experience, I’ve worked on apps with 1M+ installs, fixing crashes, improving UX, and delivering clean, reliable code. From MVP to production launch, I handle development, optimization, and publishing using Kotlin, Jetpack Compose, and Firebase. If you’re tired of unstable apps, rejections, or slow developers, I bring clarity, speed, and results.

My Portfolio

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