Netflix Coding Interview Questions
We track 30 coding questions asked at Netflix, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Sorting, Depth-First Search.
Browse all 30 Netflix questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array20.3%
- Hash Table14.1%
- String11.3%
- Sorting7.1%
- Sliding Window5.3%
- Binary Search4.5%
- Depth-First Search4.0%
- Breadth-First Search4.0%
- Design3.8%
- Graph Theory3.2%
- Other (19)22.2%
How many questions involve each concept
Share of all 30 tracked Netflix questions that touch each concept. Questions usually involve several, so these overlap.
- Array53.3%
- Hash Table43.3%
- String26.7%
- Sorting23.3%
- Depth-First Search16.7%
- Sliding Window16.7%
- Binary Search13.3%
- Breadth-First Search13.3%
- Design13.3%
- Graph Theory13.3%
- Dynamic Programming10.0%
- Heap (Priority Queue)10.0%
Where Netflix differs from the average company
Concept weight at Netflix relative to the average across all companies we track. Green means Netflix leans on it harder than most.
- Bucket Sort12.0×
- Doubly-Linked List6.3×
- Sliding Window3.5×
- Graph Theory3.2×
- Dynamic Programming0.42×
Netflix specialties
Concepts that show up at Netflix but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 30 tracked Netflix questions.
- Junior23% (7)
- Mid/Senior63% (19)
- Staff13% (4)
Every concept in Netflix interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 16 | 53.3% | 20.3% |
| Hash Table | 13 | 43.3% | 14.1% |
| String | 8 | 26.7% | 11.3% |
| Sorting | 7 | 23.3% | 7.1% |
| Depth-First Search | 5 | 16.7% | 4.0% |
| Sliding Window | 5 | 16.7% | 5.3% |
| Binary Search | 4 | 13.3% | 4.5% |
| Breadth-First Search | 4 | 13.3% | 4.0% |
| Design | 4 | 13.3% | 3.8% |
| Graph Theory | 4 | 13.3% | 3.2% |
| Dynamic Programming | 3 | 10.0% | 2.6% |
| Heap (Priority Queue) | 3 | 10.0% | 1.8% |
| Backtracking | 2 | 6.7% | 1.7% |
| Bucket Sort | 2 | 6.7% | 1.2% |
| Counting | 2 | 6.7% | 1.2% |
| Divide and Conquer | 2 | 6.7% | 1.2% |
| Doubly-Linked List | 2 | 6.7% | 1.9% |
| Linked List | 2 | 6.7% | 1.9% |
| Eulerian Circuit | 1 | 3.3% | 0.5% |
| Hash Function | 1 | 3.3% | 0.6% |
| Matrix | 1 | 3.3% | 0.8% |
| Memoization | 1 | 3.3% | 0.6% |
| Ordered Set | 1 | 3.3% | 0.8% |
| Quickselect | 1 | 3.3% | 0.5% |
| Rolling Hash | 1 | 3.3% | 0.6% |
| Shortest Path | 1 | 3.3% | 0.8% |
| Stack | 1 | 3.3% | 1.9% |
| Topological Sort | 1 | 3.3% | 1.0% |
| Trie | 1 | 3.3% | 0.6% |
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