Kotlin Android SDK Mobile development swift Firebase MVVM java developer mac os Mobile application objective c
Andrey Kushnarev

Andrey Kushnarev

Ukraine

Hybrid Mobile Apps · App Development for Android

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What I do: • Cross-platform apps with Flutter (Dart) — clean architecture, state management (Bloc / Riverpod), unit & widget tests • Native Android — Kotlin, Java, Android SDK • API integration: REST, GraphQL, social networks (Google, Facebook, GitHub) • Firebase: authentication, Firestore, push notifications, analytics • Geolocation and Google Maps API • Databases: Firebase, SQLite, Realm • Flavor builds, CI/CD and store publishing (Fastlane) How I work: I write clean, maintainable code, keep the client in the loop, and take the project all the way to the result — a…
Change - Bitcoin Wallet & Crypto Exchange
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Change - Bitcoin Wallet & Crypto Exchange
App Development for Android
by Flutter by Kotlin Participation in the development of Android applications
Connected Investors
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Connected Investors
App Development for Android
Participation in the development of Android applications; Development of design and management elements • Development Charts Fixed bugs Code refactoring Tagged with: android
Nazarii Martsinko

Nazarii Martsinko

Ukraine

Hybrid Mobile Apps · App Development for Android

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Flutter Developer with 2+ years of experience in building high-performance, cross-platform mobile applications for iOS and Android. Skilled in creating intuitive and scalable solutions using Flutter and Dart, with a strong focus on clean architecture and UI optimization. Experienced in Firebase integration, RESTful APIs, and implementing smooth, interactive animations. Passionate about delivering high-quality products through best development practices and continuous improvement. My GitHub - https://github.com/martsinko