I will debug, fix, and optimize your Android Kotlin or Java APP

Starter Fix

Fix up to 3 bugs or crashes in your Kotlin or Java Android app.

Delivery Time
2 Days
Package Includes: see all
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Service details

Are you looking for a professional Android developer to build your app from scratch or fix existing issues in your current project? You are in the right place.

I will develop a fully functional, high-performance native Android application or debug and fix your existing app using Kotlin or Java in Android Studio, tailored exactly to your business or personal requirements.

Whether you have an idea that needs to be turned into a real working app, or you already have an app that is crashing, slow, or broken, I have the skills and experience to deliver exactly what you need.


What You Will Get

  • A clean, well-structured Android app built with Kotlin or Java.
  • Full Android Studio project source code handed over to you completely.
  • Smooth and responsive UI following Material Design guidelines for a professional look and feel.
  • REST API integration to connect your app with any backend or third party service.
  • Firebase integration for authentication, real time database, cloud storage, or push notifications.
  • Google Play Store ready APK or AAB file so your app is ready to publish immediately.
  • Full review and deep analysis of your existing Android code to identify all problem areas.
  • Identification and fixing of bugs, crashes, ANR errors, and unexpected behavior.
  • Performance optimization to make your app faster, lighter, and more stable.
  • Clean and readable code after all fixes are applied so future development is easy.
  • Detailed explanation of what was wrong and exactly what was done to fix it.


Why Choose Me

I have 5 years of hands-on experience developing and debugging native Android applications for clients across different industries including e-commerce, healthcare, education, and business productivity. Every project I take on receives full attention, clean code practices, and a commitment to delivering results that actually work.

I do not just write code. I take the time to understand your goals, suggest the best approach, and make sure the final product meets your expectations. I value clear communication and keep you updated at every stage of the project.

My focus is always on three things: quality, reliability, and your satisfaction.


Note

Please contact me before placing an order so I can understand your requirements, review your project scope, and provide the best solution for your app. I am happy to answer any questions before we get started.

Key details

  • App Type
    Native
  • Programming Language
    JavaKotlin
  • Framework
    Native Android
  • Tools
    Android StudioFirebaseFigma
  • Purpose
    EducationKidsLifestyleReal EstateEntertainmentE-CommerceFinanceHealth & FitnessMaps & Navigationalso on requirement
  • Expertise
    PerformanceSecurityDesignAPI IntegrationFirebaseAds & Monetization
Special note from freelancer
I specialize in native Android development using Kotlin and Java with 5 years of experience. Contact me before ordering so I can confirm the right package for your project.
FAQs
What do you need from me to start the project?

I need your app requirements, any existing code or APK file, API details if applicable, and a clear description of what you want built or fixed.

Do you provide the full source code after completion?

Yes. I deliver the complete Android Studio project source code along with the final APK or AAB file ready for Google Play Store submission.

What if I only have a bug and not a full project?

No problem. Share your existing code and describe the issue. I will review it, identify the problem, and fix it based on your selected package.

How long will it take to complete my project?

Basic fixes take 2 days, full debug and optimization takes 4 days, and complete app development takes 7 days. Complex projects may require more time discussed before ordering.

Do you support the app after delivery?

Yes. I offer post-delivery support for any issues related to the work delivered. Please contact me before ordering to discuss your support needs.

Can you publish my app to the Google Play Store?

Yes. Google Play Store submission is included in the Premium package. You will need to provide access to your developer account.

What if I am not satisfied with the work?

I offer revisions based on your package. I work until you are satisfied and maintain clear communication throughout the entire project.

HamzaH Dev

HamzaH Dev

Mobile App Developer |Android Developer |Flutter Developer

Android Developer with 5 years of experience building high-quality mobile apps using Kotlin, Java, and Flutter. I've worked on a wide range of projects from simple utility apps to complex, feature-rich applications always focusing on clean code and on-time delivery. Expect clear communication, attention to detail, and a developer who truly cares about your project's success. Let's build something great!

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