Interview Cache
Master your next technical interview with real questions from industry leaders.
Datadog
38 problems across 3 categories
| Done | Title | Difficulty | Updated |
|---|---|---|---|
| Implement a Snowflake Query Client Software EngineerCoding | Medium | Apr 2, 2026 | |
| Implement Prefix Match Filter Software EngineerCoding | Hard | Feb 25, 2026 | |
| Build span trees from unordered trace spans Software EngineerCoding | Medium | Feb 12, 2026 | |
| Implement buffered file writer with concurrency support Software EngineerCoding | Easy | Dec 2, 2025 | |
| Implement write with internal buffer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement write with internal buffer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement write with internal buffer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement write with internal buffer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement log storage and querying Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement log storage and querying Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement log storage and querying Software EngineerCoding | Medium | Sep 6, 2025 | |
| Implement log storage and querying Software EngineerCoding | Medium | Sep 6, 2025 | |
| Explain a project concisely and deeply Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Explain a project concisely and deeply Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Explain a project concisely and deeply Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Explain a project concisely and deeply Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Design log queries and a buffered writer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Design log queries and a buffered writer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Design log queries and a buffered writer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Design log queries and a buffered writer Software EngineerCoding | Medium | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Design an image detection system Software EngineerSystem Design | Hard | Sep 6, 2025 | |
| Describe handling conciseness feedback Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Describe handling conciseness feedback Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Describe handling conciseness feedback Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Describe handling conciseness feedback Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Deep-dive a recent project Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Deep-dive a recent project Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Deep-dive a recent project Software EngineerBehavioral | Medium | Sep 6, 2025 | |
| Match logs to prior queries Software EngineerCoding | Medium | Jul 29, 2025 | |
| Design log-query stream processor Software EngineerSystem Design | Hard | Jul 29, 2025 | |
| Compute sliding window sums by tag Software EngineerCoding | Medium | Jul 29, 2025 |