- Sample apps and codelabs development: Huawei Mobile Services integration (Android)- HarmonyOS sample apps development- Developer advocate in the field of Huawei Mobile Services integration: technical support, assistance in problem identifying and solving, communication between service developers at Headquarters and third-party developers, pre-release support for the company's consumer products- Support for third-party developers: Health Kit, Map Kit, Drive Kit integration, cross-device communication, audio processing

https://play.google.com/store/apps/details?id=com.russian_exams.mathAn android app which allows you to take a fixed-time exam, displays user progress and predicts user's result on a real exam. The app was designed with MVVM - Jetpack Compose - Realm stack, in-app subscriptions integrated. An MS-Word-like math expression editor has been developed for a user to type formulas in the answers. An answer gets checked via AWS Lambda with Sympy library used (Python)

- Math assistance for high-school and university students- Math contests prepations