Postmates Coding Interview Questions
We track 3 coding questions asked at Postmates, tagged with the algorithms and concepts they test. The most common: Sorting, String, Array, Binary Search, Counting.
Browse all 3 Postmates questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Sorting19.4%
- String19.4%
- Array11.1%
- Binary Search11.1%
- Math11.1%
- Sliding Window11.1%
- Counting8.3%
- Hash Table8.3%
How many questions involve each concept
Share of all 3 tracked Postmates questions that touch each concept. Questions usually involve several, so these overlap.
- Sorting66.7%
- String66.7%
- Array33.3%
- Binary Search33.3%
- Counting33.3%
- Hash Table33.3%
- Math33.3%
- Sliding Window33.3%
Where Postmates differs from the average company
Concept weight at Postmates relative to the average across all companies we track. Green means Postmates leans on it harder than most.
Postmates specialties
Concepts that show up at Postmates but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 3 tracked Postmates questions.
- Junior33% (1)
- Mid/Senior67% (2)
Every concept in Postmates interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Sorting | 2 | 66.7% | 19.4% |
| String | 2 | 66.7% | 19.4% |
| Array | 1 | 33.3% | 11.1% |
| Binary Search | 1 | 33.3% | 11.1% |
| Counting | 1 | 33.3% | 8.3% |
| Hash Table | 1 | 33.3% | 8.3% |
| Math | 1 | 33.3% | 11.1% |
| Sliding Window | 1 | 33.3% | 11.1% |
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