Atlassian vs IBM Interview Questions
Atlassian lists 62 LeetCode interview questions while IBM lists 115. They share 14 problems — 23% of Atlassian's bank and 12% of IBM's. Focus on the overlap first, then drill into 48 Atlassian-only and 101 IBM-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and IBM.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and IBM-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
14 Shared Questions
High-priority problems to practice for both Atlassian and IBM.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Meeting Rooms II | Medium |
| Smallest Missing Non-negative Integer After Operations | Medium |
| Make Lexicographically Smallest Array by Swapping Elements | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Longest Consecutive Sequence | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Longest Increasing Subsequence | Medium |
| Count Vowel Strings in Ranges | Medium |
| LRU Cache | Medium |
| Next Permutation | Medium |
Unique to Atlassian (48)
Problems in Atlassian's list that do not appear at IBM.
Unique to IBM (101)
Problems in IBM's list that do not appear at Atlassian.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Rotate Image | Medium |
| Minimum Absolute Difference | Easy |
| Minimum Operations to Make All Array Elements Equal | Medium |
Frequently Asked Questions
How many LeetCode questions do Atlassian and IBM share?
Atlassian and IBM share 14 LeetCode interview questions. 48 problems appear only in Atlassian's list and 101 appear only in IBM's list.
What topics overlap most between Atlassian and IBM?
The most common shared topics between Atlassian and IBM are Array (12 shared questions), Hash Table (6 shared questions), Sorting (4 shared questions), Dynamic Programming (3 shared questions), String (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or IBM?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. Atlassian has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and IBM?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 IBM-specific questions to round out your prep.