Languages (iOS): Swift, Objective C.
Languages (Android): Java, Kotlin.
Other languages: C, C++, Pascal.
Frameworks/Libraries: Foundation, UIKit, Auto Layout, Core Animation, Core Graphics, Core Data, MapKit, Core Location, Core Bluetooth, REST, AVFoundation, Core Image, Multithreading, Core Audio.
Other: Git/GitHub, Trello, Taiga, Slack, Sketch, Adobe Photoshop.
Education:
STEP IT Academy. - Degree in Objective C iOS-development (2015-2016)
Skutarenko course. - Degree in Objective C iOS-development (2015).