In order to be successfully engaged for the long term (past the pilot project) your skill-set and experience should cover a good chunk of the following:
- Core skills: iOS 9 and 10 (supporting iOS 8+ and up), Swift 2+, UIKit, Interface Builder, Auto Layout, Core Animation
- Supporting libraries and frameworks: RxSwift (or ReactiveCocoa), AlamoFire, SwiftyJson, Realm
- Software engineering: GoF design patterns, MVVM, IoC, DI
- Testing: Unit testing, UI testing (eg.