Languages
Swift, Go, Objective-C, Bash, C, C++, Kotlin
Frameworks
Viper, Pebble SDK, Cocoa Touch, Accelerate
Tools
Xcode, Sketch, Git, Vim Text Editor, Bitrix, Google Analytics
Paradigms
Object-oriented Programming (OOP), Dependency Injection, Concurrent Programming, REST, Unit Testing, Kanban, Functional Programming, Scrum, Mobile UI Design, Model View Viewmodel (MVVM), Test-driven Development (TDD), Mobile UX Design
Libraries/APIs
Facebook SDK, Twitter SDK, Stripe, PAW, Google+ iOS SDK, Google Maps SDK, Instagram API
Platforms
iOS, Firebase, WatchOS, Visual Studio Code, Docker, MacOS, tvOS, Mixpanel
Storage
Realm Database, CockroachDB, MongoDB, PostgreSQL
Other
Team Leadership, R&D, SOLID Principles, Signal Protocols