Databricks vs Epam Systems Interview Questions
Databricks lists 31 LeetCode interview questions while Epam Systems lists 46. They share 3 problems — 10% of Databricks's bank and 7% of Epam Systems's. Focus on the overlap first, then drill into 28 Databricks-only and 43 Epam Systems-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 Epam Systems.
Step 2 — Company-specific depth: Add Databricks-specific problems like Design Hit Counter, IP to CIDR, Design Tic-Tac-Toe and Epam Systems-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
3 Shared Questions
High-priority problems to practice for both Databricks and Epam Systems.
| Problem | Difficulty |
|---|---|
| House Robber | Medium |
| Merge Intervals | Medium |
| Two Sum | Easy |
Unique to Databricks (28)
Problems in Databricks's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| IP to CIDR | Medium |
| Design Tic-Tac-Toe | 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 Epam Systems (43)
Problems in Epam Systems's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Valid Parentheses | Easy |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Longest Palindromic Substring | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Rotate Array | Medium |
| Reverse String | Easy |
Frequently Asked Questions
How many LeetCode questions do Databricks and Epam Systems share?
Databricks and Epam Systems share 3 LeetCode interview questions. 28 problems appear only in Databricks's list and 43 appear only in Epam Systems's list.
What topics overlap most between Databricks and Epam Systems?
The most common shared topics between Databricks and Epam Systems are Array (3 shared questions), Dynamic Programming (1 shared questions), Sorting (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Databricks or Epam Systems?
Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Databricks and Epam Systems?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Databricks-specific and 20 Epam Systems-specific questions to round out your prep.