Vitalii Z.

8 years of commercial experience across logistics, field operations, IoT, health and fitness, e-commerce, and education. - Full-cycle mobile application development from architecture to release - Strong OOP fundamentals, design patterns, and clean, maintainable code - Analytical, detail-oriented approach with a focus on practical delivery - Self-driven and comfortable working independently or as part of a team - Comfortable using modern AI coding assistants such as Codex, Claude, and Gemini for research, implementation, troubleshooting, and technical documentation Core Skills: - Flutter, Dart, BLoC, Clean Architecture, OOP, design patterns - Kotlin, Java, Swift, Android SDK, platform channels, native mobile integration - Firebase, GraphQL, REST API, Dio, Hive, RxDart, RevenueCat, in-app purchases - GitHub Actions, CI/CD, release automation, integration testing, code coverage - Architecture setup, technical leadership, technical documentation