Stripe Coding Interview Questions
We track 10 coding questions asked at Stripe, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Graph Theory, Breadth-First Search.
Browse all 10 Stripe questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array22.0%
- String12.7%
- Hash Table12.0%
- Simulation8.3%
- Graph Theory6.2%
- Sorting5.6%
- Prefix Sum5.6%
- Dynamic Programming4.6%
- Enumeration3.7%
- Breadth-First Search3.4%
- Other (6)15.9%
How many questions involve each concept
Share of all 10 tracked Stripe questions that touch each concept. Questions usually involve several, so these overlap.
- Array70.0%
- Hash Table40.0%
- String40.0%
- Graph Theory30.0%
- Breadth-First Search20.0%
- Depth-First Search20.0%
- Dynamic Programming20.0%
- Shortest Path20.0%
- Simulation20.0%
- Sorting20.0%
- Design10.0%
- Enumeration10.0%
Where Stripe differs from the average company
Concept weight at Stripe relative to the average across all companies we track. Green means Stripe leans on it harder than most.
- Shortest Path17.0×
- Graph Theory6.2×
- Simulation4.9×
- Hash Table1.8×
- Dynamic Programming0.74×
Stripe specialties
Concepts that show up at Stripe but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 10 tracked Stripe questions.
- Junior10% (1)
- Mid/Senior80% (8)
- Staff10% (1)
Every concept in Stripe interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 7 | 70.0% | 22.0% |
| Hash Table | 4 | 40.0% | 12.0% |
| String | 4 | 40.0% | 12.7% |
| Graph Theory | 3 | 30.0% | 6.2% |
| Breadth-First Search | 2 | 20.0% | 3.4% |
| Depth-First Search | 2 | 20.0% | 3.4% |
| Dynamic Programming | 2 | 20.0% | 4.6% |
| Shortest Path | 2 | 20.0% | 3.4% |
| Simulation | 2 | 20.0% | 8.3% |
| Sorting | 2 | 20.0% | 5.6% |
| Design | 1 | 10.0% | 2.8% |
| Enumeration | 1 | 10.0% | 3.7% |
| Heap (Priority Queue) | 1 | 10.0% | 1.9% |
| Prefix Sum | 1 | 10.0% | 5.6% |
| Topological Sort | 1 | 10.0% | 2.8% |
| Union-Find | 1 | 10.0% | 1.6% |
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