07/31/2025 updated
DK
100 % available
Senior Android Developer with expertise in Kotlin and React Native
Kyiv, Ukraine
Only remote
Master's degree - Computer Software EngineeringArtificial IntelligenceAndroid (Software)Application Performance ManagementArchitectureComputer VisionBluetoothComputer ProgrammingDebuggingMobile Application SoftwareModel View ViewModelPerformance TuningMemory LeaksVenta al por MenorStock ControlWebRTC
Kotlin Development
Advanced Kotlin programming for Android applications with focus on clean architecture and performance optimization.
Cross-Platform Development
Experience with React Native and Ionic for building efficient cross-platform mobile applications with shared codebases.
AI Integration
Implementation of AI-driven solutions including image recognition for retail inventory management and optimization.
Modern Android Architecture
Application of Jetpack Compose, Clean Architecture, and MVVM patterns for maintainable codebases.
Backend Integration
Proficiency with RESTful APIs, Firebase, Room DB, and WebRTC for comprehensive full-stack mobile solutions.
Performance Optimization
Expertise in debugging memory leaks and optimizing application performance for smooth user experiences.
Bluetooth Technology
Integration of BLE Beacons for proximity-based features and automated user interactions.
Advanced Kotlin programming for Android applications with focus on clean architecture and performance optimization.
Cross-Platform Development
Experience with React Native and Ionic for building efficient cross-platform mobile applications with shared codebases.
AI Integration
Implementation of AI-driven solutions including image recognition for retail inventory management and optimization.
Modern Android Architecture
Application of Jetpack Compose, Clean Architecture, and MVVM patterns for maintainable codebases.
Backend Integration
Proficiency with RESTful APIs, Firebase, Room DB, and WebRTC for comprehensive full-stack mobile solutions.
Performance Optimization
Expertise in debugging memory leaks and optimizing application performance for smooth user experiences.
Bluetooth Technology
Integration of BLE Beacons for proximity-based features and automated user interactions.
Experience
Professional experience5 - 10 years
Freelancer since2018
Languages
EnglishFluentRussianNative speakerUkrainianNative speakerBelarusianGood
Project history
Enhanced a cross-platform retail inventory application using React Native, Ionic, and Capacitor with AI image recognition, resulting in 40% faster inventory scans and 37% improved accuracy. Optimized performance by fixing memory leaks and improving JavaScript code.
Designed and published a logical puzzle game 'Bulls And Cows' using Kotlin and Android SDK. Enhanced the 'Greenbringer' delivery logistics app by implementing real-time route management, improving logistics accuracy by 50% and reducing delivery errors.
Developed a robust VoIP communication app facilitating calls, messaging, and detailed statistical reports. Migrated legacy Java code to Kotlin, reducing crash reports by 18%. Implemented WebRTC for advanced audio/video streaming features.