Atlassian vs Oracle Interview Questions
Atlassian lists 62 LeetCode interview questions while Oracle lists 314. They share 28 problems — 45% of Atlassian's bank and 9% of Oracle's. Focus on the overlap first, then drill into 34 Atlassian-only and 286 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 28 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Atlassian and Oracle.
Step 2 — Company-specific depth: Add Atlassian-specific problems like Rank Teams by Votes, Stock Price Fluctuation, All O`one Data Structure and Oracle-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
28 Shared Questions
High-priority problems to practice for both Atlassian and Oracle.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Meeting Rooms II | Medium |
| Word Search | Medium |
| Text Justification | Hard |
| Best Time to Buy and Sell Stock | Easy |
| Top K Frequent Elements | Medium |
| Logger Rate Limiter | Easy |
| Group Anagrams | Medium |
| Can Place Flowers | Easy |
| Koko Eating Bananas | Medium |
| Longest Consecutive Sequence | Medium |
| Two Sum | Easy |
| Pairs of Songs With Total Durations Divisible by 60 | Medium |
| Jump Game II | Medium |
| Rearranging Fruits | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Design Authentication Manager | Medium |
| Design File System | Medium |
| Longest Increasing Subsequence | Medium |
| Design Hit Counter | Medium |
| Find First and Last Position of Element in Sorted Array | Medium |
| Design Add and Search Words Data Structure | Medium |
| Wildcard Matching | Hard |
| LRU Cache | Medium |
| Serialize and Deserialize Binary Tree | Hard |
| Next Permutation | Medium |
Unique to Atlassian (34)
Problems in Atlassian's list that do not appear at Oracle.
Unique to Oracle (286)
Problems in Oracle's list that do not appear at Atlassian.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Longest Palindromic Substring | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Container With Most Water | Medium |
Frequently Asked Questions
How many LeetCode questions do Atlassian and Oracle share?
Atlassian and Oracle share 28 LeetCode interview questions. 34 problems appear only in Atlassian's list and 286 appear only in Oracle's list.
What topics overlap most between Atlassian and Oracle?
The most common shared topics between Atlassian and Oracle are Array (19 shared questions), Hash Table (11 shared questions), String (8 shared questions), Design (7 shared questions), Greedy (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Atlassian or Oracle?
Atlassian has 6 Easy, 42 Medium, and 14 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Atlassian has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Atlassian and Oracle?
Start with the 28 shared problems since they cover what both companies ask most often. Then add 20 Atlassian-specific and 20 Oracle-specific questions to round out your prep.