MongoDB vs Wix Interview Questions
MongoDB lists 24 LeetCode interview questions while Wix lists 55. They share 6 problems — 25% of MongoDB's bank and 11% of Wix's. Focus on the overlap first, then drill into 18 MongoDB-only and 49 Wix-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both MongoDB and Wix.
Step 2 — Company-specific depth: Add MongoDB-specific problems like Word Break, Implement Trie (Prefix Tree), Snapshot Array and Wix-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: MongoDB skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
6 Shared Questions
High-priority problems to practice for both MongoDB and Wix.
| Problem | Difficulty |
|---|---|
| Intersection of Two Arrays | Easy |
| Merge Intervals | Medium |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Lowest Common Ancestor of a Binary Tree III | Medium |
| Merge Two Sorted Lists | Easy |
| Clone Graph | Medium |
Unique to MongoDB (18)
Problems in MongoDB's list that do not appear at Wix.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Snapshot Array | Medium |
| Text Justification | Hard |
| Merge k Sorted Lists | Hard |
| LRU Cache | Medium |
| Convert JSON String to Object | Hard |
| Insert Interval | Medium |
| Web Crawler Multithreaded | Medium |
| Stock Price Fluctuation | Medium |
| Course Schedule II | Medium |
| Merge Two Binary Trees | Easy |
Unique to Wix (49)
Problems in Wix's list that do not appear at MongoDB.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Integer to Roman | Medium |
| Container With Most Water | Medium |
| Add Two Numbers | Medium |
| Longest Palindromic Substring | Medium |
| Is Subsequence | Easy |
| Copy List with Random Pointer | Medium |
| Alien Dictionary | Hard |
| 3Sum | Medium |
| Move Zeroes | Easy |
| Diameter of Binary Tree | Easy |
| Minimum Distance Between BST Nodes | Easy |
Frequently Asked Questions
How many LeetCode questions do MongoDB and Wix share?
MongoDB and Wix share 6 LeetCode interview questions. 18 problems appear only in MongoDB's list and 49 appear only in Wix's list.
What topics overlap most between MongoDB and Wix?
The most common shared topics between MongoDB and Wix are Hash Table (3 shared questions), Array (2 shared questions), Two Pointers (2 shared questions), Sorting (2 shared questions), Tree (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: MongoDB or Wix?
MongoDB has 3 Easy, 15 Medium, and 6 Hard questions. Wix has 16 Easy, 31 Medium, and 8 Hard questions. MongoDB has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both MongoDB and Wix?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 18 MongoDB-specific and 20 Wix-specific questions to round out your prep.