iOS5 years experience
I have been a professional iOS developer for the past 5 years. Check out my portfolio here http://pdesantis.github.io
Objective-C5 years experience
I have been working with Objective-C for over 5 years. Until Swift was released, it was my favorite programming language.
Swift2 years experience
I started working with Swift as soon as it was announced. I have shipped 4 apps that are written completely in Swift!