Epam Systems vs Okta Interview Questions
Epam Systems lists 46 LeetCode interview questions while Okta lists 20. They share 5 problems — 11% of Epam Systems's bank and 25% of Okta's. Focus on the overlap first, then drill into 41 Epam Systems-only and 15 Okta-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 Epam Systems and Okta.
Step 2 — Company-specific depth: Add Epam Systems-specific problems like Two Sum, Longest Substring Without Repeating Characters, Minimum Operations to Make a Uni-Value Grid and Okta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Okta 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 Epam Systems and Okta.
| Problem | Difficulty |
|---|---|
| Group Anagrams | Medium |
| Longest Consecutive Sequence | Medium |
| Merge Intervals | Medium |
| LRU Cache | Medium |
| Median of Two Sorted Arrays | Hard |
Unique to Epam Systems (41)
Problems in Epam Systems's list that do not appear at Okta.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| 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 |
| Rotate Array | Medium |
| Reverse String | Easy |
Unique to Okta (15)
Problems in Okta's list that do not appear at Epam Systems.
| Problem | Difficulty |
|---|---|
| Insert Delete GetRandom O(1) | Medium |
| Simple Bank System | Medium |
| All Nodes Distance K in Binary Tree | Medium |
| Find Median from Data Stream | Hard |
| Container With Most Water | Medium |
| Daily Temperatures | Medium |
| Task Scheduler | Medium |
| Number of Islands | Medium |
| Making File Names Unique | Medium |
| Range Sum Query 2D - Immutable | Medium |
| Reverse Substrings Between Each Pair of Parentheses | Medium |
| Word Ladder II | Hard |
Frequently Asked Questions
How many LeetCode questions do Epam Systems and Okta share?
Epam Systems and Okta share 5 LeetCode interview questions. 41 problems appear only in Epam Systems's list and 15 appear only in Okta's list.
What topics overlap most between Epam Systems and Okta?
The most common shared topics between Epam Systems and Okta are Array (4 shared questions), Hash Table (3 shared questions), Sorting (2 shared questions), String (1 shared questions), Union-Find (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Epam Systems or Okta?
Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Okta has 0 Easy, 15 Medium, and 5 Hard questions. Okta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Epam Systems and Okta?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Epam Systems-specific and 15 Okta-specific questions to round out your prep.