Optum Data Engineer Interview Questions
The questions to prepare for a Optum Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Use PostgreSQL string functions to convert full names into a Last, First display format.
OptumUse a window function to return the three highest-paid employees within each department.
OptumUse joins and aggregation to return every employee tied for the highest salary in each department.
Idfc First BankFind the first character appearing once in a string using frequency counting and a second pass.
OptumTests Python language fundamentals relevant to building efficient data processing pipelines.
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Design a reliable CDC ingestion process covering capture, ordering, schema evolution, replay, deduplication, monitoring, and backfills.
OptumConceptual pipeline question on Delta Lake and how it differs from plain Parquet files in data engineering workflows.
OptumTests language and ecosystem trade-off reasoning for Spark performance and maintainability.
OptumTests understanding of Python runtime behavior and implications for data processing performance.
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