Lead Ios Engineer Interview Questions

4,728 lead ios engineer interview questions shared by candidates

Primarily focuses on various aspects of SwiftUI, including concepts such as Identifiable, Equatable, and Hashable, as well as the use of 'id' in lists. It also covers topics like threading, concurrency, and actor reentrancy, along with thread safety in structs and classes. Additionally, it discusses whether a shared static struct is thread-safe and outlines approaches for conducting end-to-end QA testing. Other topics include localization and size classes.
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Staff IOS Developer

Interviewed at Experian

4.1
Jan 23, 2026

Primarily focuses on various aspects of SwiftUI, including concepts such as Identifiable, Equatable, and Hashable, as well as the use of 'id' in lists. It also covers topics like threading, concurrency, and actor reentrancy, along with thread safety in structs and classes. Additionally, it discusses whether a shared static struct is thread-safe and outlines approaches for conducting end-to-end QA testing. Other topics include localization and size classes.

Level 1 questions - OOPS basics (encapsulation, polymorphism, inheritance), Core Data, MapKit, iBeacons, differences in iOS versions, differences in Xcode versions, frameworks used in apps, toughest thing you have worked upon in iOS
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IOS Developer

Interviewed at Persistent Systems

4.2
Aug 10, 2015

Level 1 questions - OOPS basics (encapsulation, polymorphism, inheritance), Core Data, MapKit, iBeacons, differences in iOS versions, differences in Xcode versions, frameworks used in apps, toughest thing you have worked upon in iOS

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