Professional software developer since 2004, 14+ years of commercial software development experience. Since 2011 switched completely to mobile development (8 years on Android).Participated in development of 7 commercial Android projects. Designed architecture of 3 of them. Started with Android 2.2.3 own Android projects with more than 2.3 million downloads.Published and supported applications on Play Store.Expert in building scalable, multithreaded and multi-process Android applications.Expert in creating complex native Android UI with a deep knowledge of Android graphics layer, view system, activities and fragments.Expert in software optimization for mobile devices, ensuring smooth UI, avoiding and eliminating memory leaks.Experienced in in ensuring and improving code quality and performance, unit testing (JUnit, Mockito, PowerMock and Unmock plugin), integration testing (Espresso), code review (Github, Bitbucket) and continuous integration (Jenkins, SonarQube).Familiar with Android source code and not afraid to dig into it, when needed and out of curiosity.Profound SQL knowledge. Started with enterprise software development using Firebird, MySQL, Oracle, MSSQL. Now try to harness the full power of SQLite on mobile devices, utilizing views, triggers, indexes and built-in functions.