Databricks vs eBay Interview Questions
Databricks lists 31 LeetCode interview questions while eBay lists 62. They share 5 problems — 16% of Databricks's bank and 8% of eBay's. Focus on the overlap first, then drill into 26 Databricks-only and 57 eBay-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Databricks and eBay.
Step 2 — Company-specific depth: Add Databricks-specific problems like Design Hit Counter, IP to CIDR, Design Tic-Tac-Toe and eBay-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Databricks skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
5 Shared Questions
High-priority problems to practice for both Databricks and eBay.
| Problem | Difficulty |
|---|---|
| Time Based Key-Value Store | Medium |
| Spiral Matrix | Medium |
| Merge Intervals | Medium |
| Rotting Oranges | Medium |
| Two Sum | Easy |
Unique to Databricks (26)
Problems in Databricks's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| IP to CIDR | Medium |
| Design Tic-Tac-Toe | Medium |
| House Robber | Medium |
| Find All Anagrams in a String | Medium |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium |
| House Robber II | Medium |
| RLE Iterator | Medium |
| Longest Palindrome by Concatenating Two Letter Words | Medium |
| Closest Leaf in a Binary Tree | Medium |
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Number of Recent Calls | Easy |
Unique to eBay (57)
Problems in eBay's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Partition Equal Subset Sum | Medium |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
Frequently Asked Questions
How many LeetCode questions do Databricks and eBay share?
Databricks and eBay share 5 LeetCode interview questions. 26 problems appear only in Databricks's list and 57 appear only in eBay's list.
What topics overlap most between Databricks and eBay?
The most common shared topics between Databricks and eBay are Array (4 shared questions), Hash Table (2 shared questions), Matrix (2 shared questions), String (1 shared questions), Binary Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Databricks or eBay?
Databricks has 2 Easy, 22 Medium, and 7 Hard questions. eBay has 10 Easy, 39 Medium, and 13 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Databricks and eBay?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Databricks-specific and 20 eBay-specific questions to round out your prep.