Datadog Software Engineer Interview Questions
The questions to prepare for a Datadog Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Compute coordinate-wise sums for every fixed-size sliding window using an O(n) rolling-sum algorithm.
DatadogCompute a Datadog event tree's maximum depth using recursive depth-first search.
DatadogEvaluates system design for low-latency collaboration with real-time updates and persistence.
DatadogEvaluates your system design skills for building a scalable, user-facing dashboard with multiple components.
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Evaluates your ability to apply sliding window techniques to metric query workloads.
DatadogAssesses your understanding of Windows-related systems or infrastructure concepts relevant to engineering.
DatadogTests your ability to design and implement streaming log and query matching with correct acknowledgements.
DatadogAssesses your ability to implement correct ordering and filtering logic with efficient algorithms.
DatadogUse CTEs, joins, and date filtering to calculate 30-day retention by signup cohort from login and feature usage data.
Curefit
ReachMobi
IndeedCalculate a rolling 7-day average of system error counts using window functions and date-based aggregation.
Datadog
Toyota
Agile DefenseFind each user's three longest Lattice sessions using duration calculations and ROW_NUMBER().
Anduril IndustriesDatadog