Company interviews / MongoDB
MongoDB interview practice
21 coding questions are known to come up in MongoDB interviews (4 easy, 13 medium, 4 hard), 4 of them in the last six months. The most common topics are Array, Hash Table, String, Design.
21Known questions
4Asked in last 6 months
13Medium
4Hard
Coding questions MongoDB asks
From public company-tagged interview question lists. Most recent and most frequent first.
Easy 4Medium 13Hard 4
- Array10
- Hash Table10
- String7
- Design5
- Binary Search4
- Linked List3
- Trie3
- Two Pointers3
- Heap (Priority Queue)3
- Depth-First Search3
- Breadth-First Search3
- Sorting2
| Question | Difficulty | Asked recently |
|---|---|---|
| Snapshot Array | Medium | Yes |
| LRU Cache | Medium | Yes |
| Merge Intervals | Medium | Yes |
| Two Sum | Easy | Yes |
| Implement Trie (Prefix Tree) | Medium | — |
| Intersection of Two Arrays | Easy | — |
| Word Break | Medium | — |
| Text Justification | Hard | — |
| Merge k Sorted Lists | Hard | — |
| Stock Price Fluctuation | Medium | — |
| Sliding Window Maximum | Hard | — |
| Course Schedule II | Medium | — |
| Insert Interval | Medium | — |
| Time Based Key-Value Store | Medium | — |
| Merge Two Binary Trees | Easy | — |
| String Compression | Medium | — |
| Compare Version Numbers | Medium | — |
| Word Break II | Hard | — |
| Clone Graph | Medium | — |
| Search in Rotated Sorted Array | Medium | — |
| Merge Two Sorted Lists | Easy | — |
Practice a MongoDB interview
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