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I will develop a custom android app in kotlin or java
John O.
About this gig
Have an Android app idea? Let's turn it into a fast, modern, and scalable application.
I develop custom Android apps using Kotlin, Java, Android Studio, Firebase, and REST APIs. Whether you're building an MVP, business app, e-commerce app, booking platform, utility app, or need a custom solution, I deliver clean, maintainable code designed for performance and long-term growth.
My services include:
Custom Android App Development
Kotlin & Java Development
Firebase Integration
REST API Integration
Authentication & User Management
SQLite & Local Database
Push Notifications
Google Maps Integration
Payment Gateway Integration
Material Design UI
Bug Fixes & Feature Updates
Google Play Store Publishing
Why choose this gig?
Clean, scalable, and well-documented code
Modern Android development best practices
Responsive and user-friendly interfaces
Thorough testing before delivery
Source code included
Clear communication throughout the project
Every app is different, so please contact me before placing an order. I'll review your requirements, recommend the right package, and help you build an Android app that meets your goals.
Get to know John O.
John O.
Software Developer
- FromNigeria
- Member sinceApr 2024
- Avg. response time1 hour
- Last delivery2 years
Languages
English, French
I am a Software Developer specializing in high-performance automation, custom tools, and native apps.
My Core Expertise:
• Python: Web scrapers, Telegram bots, & custom automation scripts.
• Mobile: Native Android app development (Kotlin/Java).
• Browser Extensions: Custom Chrome extensions & Manifest V2 to V3 migrations.
Every project starts with a feasibility study to guarantee technical viability. I focus on clean code, seamless API integrations, and robust solutions that scale. Let's build something great together!
My Portfolio
FAQ
What types of Android apps can you develop?
I develop custom Android apps for businesses, startups, and individuals. This includes business apps, e-commerce apps, booking systems, social apps, utility apps, educational apps, delivery apps, chat apps, and other custom Android applications built with Kotlin or Java.
Can you develop Android apps using Kotlin and Java?
Yes. I develop native Android applications using Kotlin and Java in Android Studio. I follow modern Android development practices to create fast, scalable, and maintainable applications.
Can you integrate Firebase and third-party APIs?
Absolutely. I can integrate Firebase Authentication, Firestore, Realtime Database, Cloud Messaging, Analytics, Storage, as well as REST APIs, payment gateways, Google Maps, and other third-party services required by your app.
Will I receive the complete Android source code?
Yes. Every package includes the complete Android project source code unless we agree otherwise before the project starts. You'll own the delivered code once the order is completed.
Can you publish my app to the Google Play Store?
Yes. I can prepare your Android app for release, generate signed builds, assist with Play Console requirements, and publish your app to the Google Play Store if that service is included in your package.
Can you update or fix an existing Android application?
Yes. I can fix bugs, improve performance, add new features, migrate old Android projects, update dependencies, integrate new APIs, and modernize existing Kotlin or Java applications.
What do you need before starting my Android app?
Please provide your app idea, required features, UI designs or wireframes (if available), reference apps, branding assets, API documentation, and any special requirements. The more information you share, the better I can plan and build your app.
