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What new feature of swift2 excites you the most?

How to implement DSD menubar icon slide highlight the phase name?

How to implement download progress bar of multiple concurrent files download?

How do you get a json data from a web service and how do you parse it?

Could you run us through protocol oriented programming?

What is cocoapod?

How do we do enterprise ios deployment?

How does concurrency in ios works?

How does uikit animation works?

Whats the difference of frame vs bounds in uiview. 

Which persistence framework do you use? Could you explain?

How does watchos2 apps works? How does it talk to the ios bundle?

How does code signing work?

How would you implement push notification stack?

Whats the difference in atomic and nonatomic? And how to do it in swift

Explain about weak, strong and unowned in swift?

How would you debug uiscrollview where some elements can receive gesture event but some elements couldn't?

How does delegate pattern works?

Tell me about your testing process. Unit UI and functional testing. 

Explain your process for tracing and fixing a memory leak.

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How do you feel about web front end development? Do you have experience in that?

Follow up with jquery, angular overview

Do you have experience in java grails, 

microsoft sharepoint stack?

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Explain how git works

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Past experience project =>

Explain some of your most technically complex project