Atlassian vs Citadel Interview Questions
Atlassian lists 62 LeetCode interview questions while Citadel lists 101. They share 11 problems — 18% of Atlassian's bank and 11% of Citadel's. Focus on the overlap first, then drill into 51 Atlassian-only and 90 Citadel-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and Citadel.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and Citadel-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Citadel skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
11 Shared Questions
High-priority problems to practice for both Atlassian and Citadel.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Word Search | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Koko Eating Bananas | Medium |
| Longest String Chain | Medium |
| Longest Increasing Subsequence | Medium |
| LRU Cache | Medium |
| Count Palindromic Subsequences | Hard |
| Serialize and Deserialize Binary Tree | Hard |
| Best Time to Buy and Sell Stock II | Medium |
Unique to Atlassian (51)
Problems in Atlassian's list that do not appear at Citadel.
Unique to Citadel (90)
Problems in Citadel's list that do not appear at Atlassian.
Frequently Asked Questions
How many LeetCode questions do Atlassian and Citadel share?
Atlassian and Citadel share 11 LeetCode interview questions. 51 problems appear only in Atlassian's list and 90 appear only in Citadel's list.
What topics overlap most between Atlassian and Citadel?
The most common shared topics between Atlassian and Citadel are Array (8 shared questions), String (5 shared questions), Dynamic Programming (5 shared questions), Sorting (3 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or Citadel?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. Citadel has 5 Easy, 60 Medium, and 36 Hard questions. Citadel has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and Citadel?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 Citadel-specific questions to round out your prep.