Position: Разработчик iOS
Category: iOS
English level: intermediate
Years of experience: 4

Big project (duration ~2 years) on iOS. After that migrate whole project to OS X (duration ~1.5 years). Role: Team Lead / iOS dev / OS X dev. 
Few projects with duration 1-1.5 years on iOS
Also I have got different experience in communication with customers.
4 years experience on iOS / 1.5 years on OS X
Objective-С, iOS, OS X, С/С++, SQLite, Git, SVN, Titanium - used in work. 
PHP, JAVA, DirectX, С#, XNA - not used in commercial projects
Job with interesting (new) projects