Bloomberg vs Databricks Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Databricks lists 31. They share 21 problems — 2% of Bloomberg's bank and 68% of Databricks's. Focus on the overlap first, then drill into 1,179 Bloomberg-only and 10 Databricks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 21 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Databricks.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Add Two Numbers, Longest Substring Without Repeating Characters, Valid Parentheses and Databricks-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
21 Shared Questions
High-priority problems to practice for both Bloomberg and Databricks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| String to Integer (atoi) | Medium |
| House Robber | Medium |
| Spiral Matrix | Medium |
| Rotting Oranges | Medium |
| Number of Recent Calls | Easy |
| Permutation in String | Medium |
| House Robber II | Medium |
| Shortest Path in Binary Matrix | Medium |
| Find All Anagrams in a String | Medium |
| Design Hit Counter | Medium |
| Text Justification | Hard |
| Time Based Key-Value Store | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Unique Paths III | Hard |
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Longest Palindrome by Concatenating Two Letter Words | Medium |
| Finding Pairs With a Certain Sum | Medium |
| Design Tic-Tac-Toe | Medium |
| Minimum Knight Moves | Medium |
Unique to Bloomberg (1,179)
Problems in Bloomberg's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Longest Palindromic Substring | Medium |
| Invalid Transactions | Medium |
| 3Sum | Medium |
| Longest Common Prefix | Easy |
| Flatten a Multilevel Doubly Linked List | Medium |
Unique to Databricks (10)
Problems in Databricks's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| IP to CIDR | Medium |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium |
| RLE Iterator | Medium |
| Closest Leaf in a Binary Tree | Medium |
| Snapshot Array | Medium |
| Split Message Based on Limit | Hard |
| Number of Flowers in Full Bloom | Hard |
| Longest Mountain in Array | Medium |
| Minimum Cost to Reach Destination in Time | Hard |
| Count Integers in Intervals | Hard |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Databricks share?
Bloomberg and Databricks share 21 LeetCode interview questions. 1179 problems appear only in Bloomberg's list and 10 appear only in Databricks's list.
What topics overlap most between Bloomberg and Databricks?
The most common shared topics between Bloomberg and Databricks are Array (15 shared questions), Hash Table (8 shared questions), String (7 shared questions), Matrix (6 shared questions), Design (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Databricks?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and Databricks?
Start with the 21 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 10 Databricks-specific questions to round out your prep.