Oleksandr P.

Senior .NET MAUI Developer | Xamarin → MAUI Migration | Cross-Platform Mobile Engineer Senior .NET MAUI Developer with 10+ years in cross-platform mobile development. Expert in Xamarin → .NET MAUI migration, Android & iOS apps, clean architecture, and production-ready delivery. I help businesses modernize Xamarin apps, build scalable .NET MAUI solutions, and deliver stable mobile products ready for long-term support. Built and maintained 20+ production mobile applications for Android and iOS, including enterprise and consumer apps. Strong expertise in Xamarin → .NET MAUI migration, performance optimization, and native platform integrations. 💡 Experience & Expertise - .NET MAUI application development (Android, iOS, MacOS, Windows) - Xamarin.Forms / Xamarin Native → .NET MAUI migration - Custom UI and native platform integrations - Bluetooth (BLE) device integration - HealthKit and Google Fit connectivity - Business logic architecture and backend integration - Gamification and engagement mechanics - Flutter app development (secondary skillset) 🧰 Technologies & Tools I Use - .NET MAUI / Xamarin.Forms / Xamarin Native - C#, .NET 8+, MVVM (MvvmCross / CommunityToolkit.MVVM) - Flutter / Dart - REST APIs, SignalR, BLE SDKs, Payment SDKs - SQLite, Realm, Cosmos DB, Microsoft SQL Server - Visual Studio, Rider, Git, Azure DevOps, CI/CD 🚀 Why clients choose me: - 10+ years in mobile development - Deep Xamarin legacy + modern MAUI expertise - Clean architecture and long-term maintainability - End-to-end delivery (idea → stores → support)