Atlassian vs Epam Systems Interview Questions
Atlassian lists 62 LeetCode interview questions while Epam Systems lists 46. They share 9 problems — 15% of Atlassian's bank and 20% of Epam Systems's. Focus on the overlap first, then drill into 53 Atlassian-only and 37 Epam Systems-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and Epam Systems.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and Epam Systems-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Atlassian skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both Atlassian and Epam Systems.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Top K Frequent Elements | Medium |
| Group Anagrams | Medium |
| Longest Consecutive Sequence | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| LRU Cache | Medium |
Unique to Atlassian (53)
Problems in Atlassian's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Rank Teams by Votes | Medium |
| Stock Price Fluctuation | Medium |
| All O`one Data Structure | Hard |
| Design Snake Game | Medium |
| High-Access Employees | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Meeting Rooms II | Medium |
| Word Search | Medium |
| Find the Width of Columns of a Grid | Easy |
| Number of Possible Sets of Closing Branches | Hard |
| Text Justification | Hard |
| Maximum Square Area by Removing Fences From a Field | Medium |
Unique to Epam Systems (37)
Problems in Epam Systems's list that do not appear at Atlassian.
| Problem | Difficulty |
|---|---|
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Valid Parentheses | Easy |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Rotate Array | Medium |
| Reverse String | Easy |
| House Robber | Medium |
| Partition Equal Subset Sum | Medium |
| String Compression | Medium |
Frequently Asked Questions
How many LeetCode questions do Atlassian and Epam Systems share?
Atlassian and Epam Systems share 9 LeetCode interview questions. 53 problems appear only in Atlassian's list and 37 appear only in Epam Systems's list.
What topics overlap most between Atlassian and Epam Systems?
The most common shared topics between Atlassian and Epam Systems are Array (7 shared questions), Hash Table (6 shared questions), Sorting (3 shared questions), Dynamic Programming (2 shared questions), Divide and Conquer (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or Epam Systems?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Atlassian has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and Epam Systems?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 Epam Systems-specific questions to round out your prep.