Confluent Coding Interview Questions
We track 9 coding questions asked at Confluent, tagged with the algorithms and concepts they test. The most common: Hash Table, Array, Design, Backtracking, Doubly-Linked List.
Browse all 9 Confluent questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Hash Table19.0%
- Array15.5%
- Design10.7%
- Backtracking10.7%
- Matrix8.3%
- String8.3%
- Doubly-Linked List7.1%
- Linked List7.1%
- Dynamic Programming4.8%
- Recursion4.8%
- Other (1)3.6%
How many questions involve each concept
Share of all 9 tracked Confluent questions that touch each concept. Questions usually involve several, so these overlap.
- Hash Table55.6%
- Array33.3%
- Design33.3%
- Backtracking22.2%
- Doubly-Linked List22.2%
- Linked List22.2%
- Matrix22.2%
- String22.2%
- Binary Search11.1%
- Dynamic Programming11.1%
- Recursion11.1%
Where Confluent differs from the average company
Concept weight at Confluent relative to the average across all companies we track. Green means Confluent leans on it harder than most.
- Doubly-Linked List23.7×
- Design8.2×
- Backtracking8.2×
- Matrix3.6×
- Array0.80×
Confluent specialties
Concepts that show up at Confluent but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 9 tracked Confluent questions.
- Mid/Senior78% (7)
- Staff22% (2)
Every concept in Confluent interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Hash Table | 5 | 55.6% | 19.0% |
| Array | 3 | 33.3% | 15.5% |
| Design | 3 | 33.3% | 10.7% |
| Backtracking | 2 | 22.2% | 10.7% |
| Doubly-Linked List | 2 | 22.2% | 7.1% |
| Linked List | 2 | 22.2% | 7.1% |
| Matrix | 2 | 22.2% | 8.3% |
| String | 2 | 22.2% | 8.3% |
| Binary Search | 1 | 11.1% | 3.6% |
| Dynamic Programming | 1 | 11.1% | 4.8% |
| Recursion | 1 | 11.1% | 4.8% |
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