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 weekly.

23questions

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CodingStart here. 7 questions · ~62 min

Reverse a singly linked list in place using pointer reassignment with O(n) time and O(1) extra space.

Escaping vs Non-Escaping ClosuresEasy

Explain how escaping and non-escaping closures differ in lifetime, memory behavior, and common Swift use cases.

RecursionStackArrays

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Refactor Thread-Safe Race ConditionHard

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

threadingDebuggingconcurrency

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Custom DispatchQueue in SwiftMedium

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

swiftconcurrency

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First Non-Repeating CharacterEasy

Tests your fundamentals in string processing and algorithmic problem solving.

Hash Tablesfrequency countStrings

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MVVM Mock API List FeatureMedium

Tests your ability to implement MVVM with networking, JSON parsing, and UI binding.

androidjson parsingmvvm

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Behavioral & Leadership15 questions · ~134 min

Value vs Reference Types in SwiftEasy

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

memory managementswifttechnical fundamentals

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