Databricks vs Waymo Interview Questions
Databricks lists 31 LeetCode interview questions while Waymo lists 25. They share 3 problems — 10% of Databricks's bank and 12% of Waymo's. Focus on the overlap first, then drill into 28 Databricks-only and 22 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Databricks and Waymo.
Step 2 — Company-specific depth: Add Databricks-specific problems like Design Hit Counter, IP to CIDR, House Robber and Waymo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Waymo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both Databricks and Waymo.
| Problem | Difficulty |
|---|---|
| Design Tic-Tac-Toe | Medium |
| Text Justification | Hard |
| Minimum Knight Moves | Medium |
Unique to Databricks (28)
Problems in Databricks's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| IP to CIDR | Medium |
| House Robber | Medium |
| Find All Anagrams in a String | Medium |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium |
| Time Based Key-Value Store | 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 Waymo (22)
Problems in Waymo's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Number of Islands | Medium |
| Random Pick with Weight | Medium |
| Logger Rate Limiter | Easy |
| Number of Visible People in a Queue | Hard |
| Meeting Rooms II | Medium |
| Minimum Number of Refueling Stops | Hard |
| Minimum Area Rectangle | Medium |
| Design Excel Sum Formula | Hard |
| Shortest Distance from All Buildings | Hard |
| Maximum Gap | Medium |
| Divide Array in Sets of K Consecutive Numbers | Medium |
Frequently Asked Questions
How many LeetCode questions do Databricks and Waymo share?
Databricks and Waymo share 3 LeetCode interview questions. 28 problems appear only in Databricks's list and 22 appear only in Waymo's list.
What topics overlap most between Databricks and Waymo?
The most common shared topics between Databricks and Waymo are Array (2 shared questions), Simulation (2 shared questions), Hash Table (1 shared questions), Design (1 shared questions), Matrix (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Databricks or Waymo?
Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Waymo has 1 Easy, 13 Medium, and 11 Hard questions. Waymo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Databricks and Waymo?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Databricks-specific and 20 Waymo-specific questions to round out your prep.