Josh Technology vs MongoDB Interview Questions
Josh Technology lists 35 LeetCode interview questions while MongoDB lists 24. They share 3 problems — 9% of Josh Technology's bank and 13% of MongoDB's. Focus on the overlap first, then drill into 32 Josh Technology-only and 21 MongoDB-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 Josh Technology and MongoDB.
Step 2 — Company-specific depth: Add Josh Technology-specific problems like Largest Number, Move Zeroes, Reverse Nodes in Even Length Groups and MongoDB-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
3 Shared Questions
High-priority problems to practice for both Josh Technology and MongoDB.
| Problem | Difficulty |
|---|---|
| Merge Two Sorted Lists | Easy |
| Merge Two Binary Trees | Easy |
| Search in Rotated Sorted Array | Medium |
Unique to Josh Technology (32)
Problems in Josh Technology's list that do not appear at MongoDB.
| Problem | Difficulty |
|---|---|
| Largest Number | Medium |
| Move Zeroes | Easy |
| Reverse Nodes in Even Length Groups | Medium |
| Maximum Twin Sum of a Linked List | Medium |
| Spiral Matrix | Medium |
| Count Good Nodes in Binary Tree | Medium |
| Reverse Odd Levels of Binary Tree | Medium |
| Delete Leaves With a Given Value | Medium |
| Find Bottom Left Tree Value | Medium |
| Merge Nodes in Between Zeros | Medium |
| Minimum Swaps to Group All 1's Together II | Medium |
| Count Pairs Whose Sum is Less than Target | Easy |
Unique to MongoDB (21)
Problems in MongoDB's list that do not appear at Josh Technology.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Snapshot Array | Medium |
| Intersection of Two Arrays | Easy |
| Text Justification | Hard |
| Merge k Sorted Lists | Hard |
| LRU Cache | Medium |
| Convert JSON String to Object | Hard |
| Merge Intervals | Medium |
| Insert Interval | Medium |
| Web Crawler Multithreaded | Medium |
| Stock Price Fluctuation | Medium |
Frequently Asked Questions
How many LeetCode questions do Josh Technology and MongoDB share?
Josh Technology and MongoDB share 3 LeetCode interview questions. 32 problems appear only in Josh Technology's list and 21 appear only in MongoDB's list.
What topics overlap most between Josh Technology and MongoDB?
The most common shared topics between Josh Technology and MongoDB are Linked List (1 shared questions), Recursion (1 shared questions), Tree (1 shared questions), Depth-First Search (1 shared questions), Breadth-First Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Josh Technology or MongoDB?
Josh Technology has 8 Easy, 24 Medium, and 3 Hard questions. MongoDB has 3 Easy, 15 Medium, and 6 Hard questions. MongoDB has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Josh Technology and MongoDB?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Josh Technology-specific and 20 MongoDB-specific questions to round out your prep.