Position: Senior iOS Developer
Category: iOS
English level: upper
Years of experience: 11

As most projects started from scratch, I had an opportunity to design architecture of essential parts of application. Most challenging tech accomplishments include: HTTP over USB (Mac), reading contents of zip archive over HTTP, creating custom effects via custom Core Image filters.
Experience: 4 years of full-time iOS / Mac development. Concurrent applications. Implementation of REST and SOAP clients.
Strong knowledge of C/Objective-C/Swift, core iOS frameworks. Good algorithmic base.
Unit testing is required, Swift is preferable.
Please no Xamarin, Ionic, PhoneGap etc.