Serhii Krainik — serhii_krainik

App Development for Android · Content Management Systems

Dnepr, Ukraine

to deployment and maintenance. Web Development I have deep knowledge of PHP and JavaScript, specializing in WordPress development without using third-party plugins — I create custom functionality, themes, API integrations, and connections with external services. I also provide support and further development for existing projects. Mobile Development I develop Android applications in Kotlin using modern approaches — Jetpack Compose, MVVM…

Oleksandr Tsvietkov — android_pro

App Development for Android · Java

Zaporizhzhia, Ukraine

…modern libraries, and adapting them to contemporary build systems for efficient modernization. I am comfortable working with challenging legacy code and always prioritize efficiency and quality.Key TechnologiesLanguages & Core Frameworks: Kotlin, Java, Android SDK, NDK, AOSP.Modern Android Stack: Jetpack (Compose, Live Data, Coroutines, Room, Navigation Component), Koin, Dagger 2/Hilt, Data Binding.Architecture & Utilities: MVC/MVP/MVVM,…

Karen Vardanyan — vardanyan_karen

App Development for Android · Java

Armavir, Armenia

Rodion Shulik — rodion_shulik

App Development for Android · Hybrid Mobile Apps

Odessa, Ukraine

mobile applications. I currently live and work in Poznań, Poland, but I am open to relocation or collaboration with teams worldwide. I began my career in 2022, and since then, I have participated in several exciting projects, developing mobile applications from scratch and adding innovative features to existing products.Key Focus Areas: Developing intuitive applications using modern technologies such as Kotlin, Compose, and MVVM…

Aleksey Bondarenko — Bonduel_Electric

Mechanical Engineering & Instrument Making · App Development for Android

Kharkiv, Ukraine

Andrii Yushchenko — Andrei34

Apps for iOS (iPhone and iPad) · App Development for Android

Kyiv, Ukraine

Makism Khviadchenia — HviadMaxFreelancer

App Development for Android

Warszawa, Poland

Android developer with 10 years of experience. I build Android apps end-to-end: development, maintenance, API integration, analytics, databases, subscriptions, and in-app purchases. Apps published on Google Play. Working with Kotlin/Java, MVVM and MVP, Room, Retrofit, Firebase, ExoPlayer, Google Maps.