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EPAM Systems Mobile Engineer Interview Questions

The questions to prepare for a EPAM Systems Mobile Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 5 questions · ~48 min
Linked List Reverse or CycleEasy
Practice

Detect whether a People workflow's linked sequence contains a cycle using Floyd's fast and slow pointers.

Basic AlgorithmsLinked ListsloopsEPAM Systems
Two Sum Using Hash TableEasy
Practice

Find two indices in an unsorted array that sum to a target using a hash table in O(n) time.

Hash TablesArraystwo sumEPAM Systems
Dependency Injection in Mobile AppsMedium

Explain dependency injection, why it improves testability, and where to use it in a mobile app.

ArraysData WranglingStringsEPAM Systems
Explaining Threads and IsolationMedium

Evaluates understanding of concurrency concepts and their practical use in mobile applications.

concurrencyEPAM Systems
Jetpack Compose DetailsMedium

Assesses your ability to build and maintain Android UI using Jetpack Compose.

androidjetpack composeEPAM Systems

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2
Behavioral & Leadership18 questions · ~172 min
Explaining Technical Issues to ExecutivesEasy

Tests communication and influence: can you translate technical complexity into business decisions, align stakeholders, and drive action?

Influence Without AuthorityStakeholder ManagementCommunicationEPAM Systems
Explaining Android Lifecycles ClearlyMedium

Tests technical communication and influence through a real example of explaining Android lifecycle concepts to drive alignment or behavior change.

android lifecycleui frameworkstechnical knowledgeEPAM Systems
Owning a Production Memory LeakMedium

Tests ownership and communication in diagnosing and fixing a mobile memory leak with clear technical investigation and measurable impact.

technical problem-solvingmemory leakDiagnosisEPAM Systems
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