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I will develop native android app development in kotlin and java
Shahzaib
About this gig
Need a reliable ANDROID APP DEVELOPER who writes clean, production-ready code? You are in the right place.
I provide complete native ANDROID APP DEVELOPMENT in Kotlin and Java using Android Studio, Jetpack Compose, Material 3 and Firebase - from a simple MVP to a full MOBILE APP with login, database, payments and push notifications.
WHAT YOU GET
- Native android app in Kotlin / Java
- Modern mobile app UI (Jetpack Compose / XML)
- Firebase, REST API and database integration
- Login, admin panel, push notification, payment gateway
- Clean, commented, 100% original source code
- Play Store ready APK / AAB file
- Google Play Store upload support
WHY CHOOSE ME
- Fast delivery with daily progress updates
- No templates, no copy-paste code
- Free bug fixing after delivery
- Revisions until you are fully satisfied
I also build cross platform mobile apps in Flutter and React Native if you need Android + iOS from one codebase.
IMPORTANT: Please message me before ordering so I can review your idea and send a custom offer with exact price and timeline.
Ready to launch your app? Hit CONTACT ME now.
Get to know Shahzaib
Shahzaib
Mobile App Developer
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English
Hi, I'm Shahzaib - a native Android app developer working in Kotlin, Java, Jetpack Compose and Firebase.
I build complete mobile apps from a single idea to a Play Store launch: clean UI design, secure login, API and database integration, push notifications and payment gateways. I also work with Flutter and React Native when a project needs Android + iOS from one codebase.
You get 100% original source code, daily progress updates, on-time delivery and free bug fixing after handover.
Send me your app idea - I reply fast and tell you honestly what it will take.
My Portfolio
FAQ
Do you build native android app or cross platform app?
Both. My main service is native android app development in Kotlin and Java using Android Studio. If you need Android + iOS from one codebase, I also build cross platform mobile apps in Flutter and React Native. Just tell me your preference and I will suggest the best option for your budget.
Will I get the full source code of my mobile app?
Yes. Complete, clean and commented source code is included in every package. You get 100% ownership of the android app after final delivery. No hidden files, no locked code, and no monthly fee to keep your app running.
Can you upload my android app on Google Play Store?
Yes. Play Store upload is included in the Premium package and available as an extra on Basic and Standard. You will need your own Google Play Developer account (one-time $25 fee paid by you). I prepare the AAB file, store listing, graphics and privacy policy.
I have an app idea but no design. Can you still help?
Absolutely. Many buyers come with only an idea. Share your concept and I will design a modern mobile app UI in Material 3 / Jetpack Compose, then get your approval before development starts. UI design is included in all packages
Can you fix bugs or add features in my existing android app?
Yes. Send me your existing source code and I will fix crashes, bugs, UI issues or add new features. Please message me first with the details so I can check the project and send you an accurate custom offer
Do you integrate Firebase, API, database and payment gateway?
Yes. I work with Firebase (Auth, Firestore, Realtime DB, Storage, Push), REST APIs, SQLite/Room, and payment gateways like Stripe, PayPal and Razorpay. Payment gateway is included in Premium or can be added as an extra
How long does android app development take?
A simple app takes 5 days, a standard app around 10 days, and a full featured app about 20 days. Exact timeline depends on the number of screens and features. Extra fast delivery is available if you have a deadline
Will my android app work on all devices and Android versions?
Yes. I develop and test for Android 8.0 and above, covering phones and tablets with responsive layouts. If you need support for older versions or a specific device, mention it in your requirements.
