EPAM Systems DSA Interview Questions

What EPAM Systems asks in the DSA round

EPAM tests medium DSA alongside deep language-specific knowledge — Java, .NET or JavaScript — plus OOP design and a client-facing communication round.

Across the 51 questions on this page, the weight sits on these patterns:

• Dynamic Programming — 11 questions · read the dynamic programming guide
• Two Pointers — 8 questions · read the two pointers guide
• Sorting — 5 questions
• Divide and Conquer — 4 questions
• Hash Table — 3 questions
• Linked List — 3 questions · read the reversal of linked list (in-place) guide
• Math — 3 questions
• Binary Search — 2 questions · read the modified binary search guide

How to prepare for the EPAM Systems interview

1. 1. Start at the top of the list above. The patterns are ordered by how often EPAM Systems uses them, so the first two or three buy you the most coverage per hour.
2. 2. Solve by pattern, not at random. Doing eight dynamic programming problems in a row is what makes the ninth recognisable in an interview — jumping between topics does not.
3. 3. Tick problems off as you go so the gaps are visible. The per-pattern counts tell you which EPAM Systems topic you have actually covered.
4. 4. Write the approach before the code. EPAM Systems interviews are judged on the reasoning as much as the working solution.
5. 5. Pair this with the pattern guides when a topic is new, and the system design sheet if the role is senior enough to have that round.
6. 6. If this is a campus or off-campus drive rather than a lateral move, the placement preparation guide covers the stages around the DSA round — aptitude, core subjects and the HR interview — in the order they actually happen.

EPAM Systems interview questions — FAQ

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