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Updated weekly · Last refresh Oct 17

Samsung Electronics Mobile Engineer Interview Questions

The questions to prepare for a Samsung Electronics Mobile Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 7 questions · ~63 min
Reverse Linked List ComplexityEasy
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Reverse a singly linked list in place using pointer reassignment with O(n) time and O(1) extra space.

time complexityLinked ListsData StructuresSamsung Electronics
Custom DispatchQueue in SwiftMedium

Tests practical concurrency skills and correct use of DispatchQueue in Swift.

swiftconcurrencySamsung Electronics
Refactor Thread-Safe Race ConditionHard

Tests your debugging skills and ability to make concurrent code correct and safe.

threadingDebuggingconcurrencySamsung Electronics
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2
Technical Fundamentals12 questions · ~107 min
Value vs Reference Types in SwiftEasy

Tests your understanding of Swift type semantics and how they affect correctness and performance.

memory managementswifttechnical fundamentalsSamsung Electronics
UIViewController vs SwiftUI LifecycleMedium

Tests your knowledge of iOS UI lifecycles and how state management differs between UIKit and SwiftUI.

swiftuilifecycleSamsung Electronics
Kotlin vs Java: Null Safety and CoroutinesEasy

Tests your understanding of language differences that impact safety and async programming.

javatechnical discussionSamsung Electronics
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3
More topics3 questions · ~27 min
App Lifecycle FundamentalsMedium

Assesses understanding of app lifecycle and state transitions on iOS.

user experienceSamsung Electronics
Lithium-Ion Battery SafetyEasy

Tests your knowledge of safety practices when working with lithium-ion batteries in mobile hardware contexts.

safetytechnical fundamentalsSamsung Electronics
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