Zoom Coding Interview Questions
We track 3 coding questions asked at Zoom, tagged with the algorithms and concepts they test. The most common: Array, Backtracking, Database, Design, Doubly-Linked List.
Browse all 3 Zoom questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Database33.3%
- Design8.3%
- Doubly-Linked List8.3%
- Hash Table8.3%
- Linked List8.3%
- Array6.7%
- Backtracking6.7%
- Matrix6.7%
- String6.7%
- Trie6.7%
How many questions involve each concept
Share of all 3 tracked Zoom questions that touch each concept. Questions usually involve several, so these overlap.
- Array33.3%
- Backtracking33.3%
- Database33.3%
- Design33.3%
- Doubly-Linked List33.3%
- Hash Table33.3%
- Linked List33.3%
- Matrix33.3%
- String33.3%
- Trie33.3%
Where Zoom differs from the average company
Concept weight at Zoom relative to the average across all companies we track. Green means Zoom leans on it harder than most.
Zoom specialties
Concepts that show up at Zoom but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 3 tracked Zoom questions.
- Junior33% (1)
- Mid/Senior33% (1)
- Staff33% (1)
Every concept in Zoom interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 1 | 33.3% | 6.7% |
| Backtracking | 1 | 33.3% | 6.7% |
| Database | 1 | 33.3% | 33.3% |
| Design | 1 | 33.3% | 8.3% |
| Doubly-Linked List | 1 | 33.3% | 8.3% |
| Hash Table | 1 | 33.3% | 8.3% |
| Linked List | 1 | 33.3% | 8.3% |
| Matrix | 1 | 33.3% | 6.7% |
| String | 1 | 33.3% | 6.7% |
| Trie | 1 | 33.3% | 6.7% |
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