DraftKings Data Engineer Interview Questions
The questions to prepare for a DraftKings Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Tests understanding of transactional versus analytical database workloads and use cases.
DraftKingsTests your ability to choose storage technologies based on consistency, scalability, and query requirements.
DraftKingsTests your ability to design scalable warehouse models, ingestion patterns, and analytics-ready schemas.
DraftKingsTests your approach to reducing latency via indexing, partitioning, caching, and query optimization.
DraftKingsRewrite a slow PostgreSQL reporting query to reduce scanned rows, avoid join multiplication, and return accurate monthly site metrics.
DraftKingsExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
DraftKingsCompute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
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Meta ITIdentify numeric outliers by calculating quartiles and applying the interquartile range rule.
DraftKingsTests your understanding of privacy controls, governance practices, and risk mitigation in data pipelines.
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