eBay vs Epam Systems Interview Questions
eBay lists 62 LeetCode interview questions while Epam Systems lists 46. They share 13 problems — 21% of eBay's bank and 28% of Epam Systems's. Focus on the overlap first, then drill into 49 eBay-only and 33 Epam Systems-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Epam Systems.
Step 2 — Company-specific depth: Add eBay-specific problems like Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum, Binary Gap and Epam Systems-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: eBay skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both eBay and Epam Systems.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Partition Equal Subset Sum | Medium |
| Two Sum | Easy |
| Top K Frequent Elements | Medium |
| Pow(x, n) | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| 3Sum | Medium |
| Kth Largest Element in an Array | Medium |
| Generate Parentheses | Medium |
| Longest Substring Without Repeating Characters | Medium |
Unique to eBay (49)
Problems in eBay's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Spiral Matrix | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
| Binary Tree Cameras | Hard |
| Word Ladder | Hard |
Unique to Epam Systems (33)
Problems in Epam Systems's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Rotate Array | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Longest Consecutive Sequence | Medium |
| String Compression | Medium |
| Trapping Rain Water | Hard |
Frequently Asked Questions
How many LeetCode questions do eBay and Epam Systems share?
eBay and Epam Systems share 13 LeetCode interview questions. 49 problems appear only in eBay's list and 33 appear only in Epam Systems's list.
What topics overlap most between eBay and Epam Systems?
The most common shared topics between eBay and Epam Systems are Array (7 shared questions), Hash Table (5 shared questions), Sorting (5 shared questions), String (5 shared questions), Dynamic Programming (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Epam Systems?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Epam Systems?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Epam Systems-specific questions to round out your prep.