Yauhen Sampir

• Developed complex products with a lot of native integrations based on Flutter Framework.
• Optimized application performance in various areas(resources usage/FPS rate) which helps to achieve happy users reviews in the stores.
• Contributed to Flutter, Flutter Engine and open source libraries
• Developed code using Dart, Kotlin and Swift based on the project needs and integrations.
• Published to Android/iOS/Amazon/Tizen stores
• Configured CI/CD pipelines using Jenkins and GitHub Actions to run multiple builds in parallel and have them automatically deployed when they pass tests to save time and effort for the team. Configured self-hosted machines.
• Constantly working on tech depth to improve quality of the final product
• Migrate projects from Xamarin and Native to Flutter

Technologies: VS Code, Dart,Dart Isolates, Dart Channel Methods, Web Workers, Video Player(AVPlayer, ExoPlayer), Flutter for Web/Desktop, Bash, Flutter customizations, flutter_lints, dart_code_metrics, BLOC, Riverpod, Dart, A/B testing, Code-Generation, SQLite, Sembast, Hive, BLE.

• Developed Xamarin based application for dog collar
• Integrated BLE support for iOS and Android
• Integrated Map(MapBox and Google map) with customizations
• Developed test application for testing dog collars to find various technical problems in the collar
• Did bug fixes
• Wrote tests, increased coverage which is significantly decrease number of issues in QA and production builds
• Collaborated with business analytics, QA and customers
• Setup CI/CD based on Azure DevOps(VSTS)

Technologies: Xamarin, Rider, MVVM, MVVMLight, SQLite, CI/CD, XAML, XUnit

• Developed streaming client for XBOX and Windows 10 platforms with DRM and offline viewing.
• Created complex UI components based on XAML and code first approach
• Worked with project managers, developers, quality assurance and customers to resolve technical issues.
• Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability and performance.
• Trained and mentored junior developers and engineers, teaching skills in mobile and working to improve overall team performance.
• Built and drive the biggest UWP(Universal Windows Platform) and Flutter(later) community in Belarus

Technologies: UWP, Visual Studio, XAML, MVVM, SQLite.