iOS

What does the Open/Closed Principle mean?

What is an intrinsic control site and what role does it play?

What well-known problems arise when working with multithreading?

Tell me about the lifecycle of UIViewController.

What are your main aspects and trends in the fintech industry?

Junior — Middle

Яндекс Финтех

What type of dictionary will it be if the key is a string and the values are of different data types?

Tell about the inheritance chain of classes in Objective-C or Swift.

What interests you more: native development or cross-platform?

What types of certificates are available for projects in iOS development?

How to change the app icon depending on the environment?

What is the difference between a semaphore and a mutex?

What are the differences in semantics in programming?

Do you keep up with new tools and techniques for iOS development?

Why can't the value type store itself? Explain why this statement is true for all representatives of the value type.

In which cases should data transfer be performed between different models or databases?

Junior — Middle

Т-Банк

Is it possible to store graphic files directly in a database management system?

What are the two types of initializers in Swift?

Tell us about your experience working with CALayer in interface development or graphic graphics

How is inheritance organized in Swift?

Can a UIView not have a layer and vice versa?