Deloitte Data Engineer Interview Questions
The questions to prepare for a Deloitte Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Calculate cumulative sales for each customer using a partitioned running total ordered by product.
DeloitteFind the highest and lowest non-null salary values once each, excluding duplicate and unrecognized salary records.
DeloitteValidate JSON records and prepare a deterministic BigQuery load payload using Python's standard library.
DeloitteReturn the second distinct highest salary by applying dense-rank semantics in a single array scan.
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Design an idempotent Airflow data pipeline that prevents duplicate writes when DAGs are retried or manually retriggered.
DeloitteAnalyze a resource-exhausting query by isolating the bottleneck, validating evidence, and preventing recurrence.
DeloitteDesign a reliable CDC ingestion process covering capture, ordering, schema evolution, replay, deduplication, monitoring, and backfills.
DeloitteEvaluates how you manage scope, risk, and execution when data platform architecture must change.
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