Datadog Interview Questions and Guide
Observability at scale: time-series ingestion, aggregation and querying, and efficient code for high-volume data.
The Datadog interview loop
- Recruiter screen
- Technical phone screen (coding)
- Onsite: 2 coding, 1 system design, 1 behavioral
Datadog interview questions
- Design a Distributed Cache
- Design a Distributed Key-Value Store
- In-Memory Database (Multi-Part)
- Implement an LRU Cache
- Simplify Path
- Design Hit Counter
- Design Circular Queue
- Find Median from Data Stream
- Step-By-Step Directions From a Binary Tree Node to Another
- Course Schedule (Ordering)
- Course Schedule II
- Implement a Rate Limiter Class
- Tell me about a problem you noticed that nobody else was addressing
- Tell me about a difficult technical trade-off you made