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Updated weekly · Last refresh Aug 30

EPAM Systems Frontend Engineer Interview Questions

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

32questions
~5htotal time
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1
CodingStart here. 23 questions · ~224 min
Move Zeros to Array EndEasy
Practice

Use a two-pointer in-place approach to move all zeros to the end while keeping non-zero elements in order.

ArraysSortingTwo PointersEPAM Systems
Debounce or Throttle From ScratchMedium
Practice

Simulate a trailing-edge debounce that keeps only the final event in each burst of frontend activity.

javascriptEPAM Systems
Array.map PolyfillEasy
Practice

Implement an Array.map polyfill that transforms EPAM Systems UI data without mutating the source array.

javascriptEPAM Systems
Binary Search ImplementationMedium

Tests your ability to implement and reason about efficient search on real data.

binary searchData StructuresEPAM Systems
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2
Execution3 questions · ~29 min
Optimize a Slow Web PageHard

Evaluates performance engineering skills for improving real user experience on web pages.

performanceweb optimizationEPAM Systems
Salary ExpectationEasy

Tests compensation alignment and professionalism in Business Analyst hiring.

Trade-offsSuccess CriteriaScope ManagementEPAM Systems
Execution and Project ManagementMedium

Assesses practical engineering workflow knowledge and how you operate in delivery processes.

Project ManagementEPAM Systems

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3
Behavioral & Leadership6 questions · ~58 min
Prioritizing Across Competing ProjectsMedium

Tests prioritization under pressure across multiple projects, including time management, stakeholder communication, and ownership of trade-offs.

time managementmultitaskingPrioritizationEPAM Systems
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The finish line: interview-readyComplete all 32 questions to finish this plan.