ING Data Engineer Interview Questions
The questions to prepare for a ING Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Explain how you improved a slow ETL pipeline on multi-terabyte data, including bottleneck analysis, tuning choices, and validation.
INGAssesses understanding of Spark internals relevant to building and operating data pipelines.
INGEvaluates correct use of Spark abstractions and reliability mechanisms.
INGTests ownership in diagnosing a data issue, communicating clearly under pressure, and driving a durable fix with measurable impact.
INGAssesses ability to write and structure PySpark transformations with UDFs safely.
INGTests SQL and data manipulation skills focused on warehouse performance.
INGEvaluates system design for supporting ING's regulatory reporting and real-time analytics with reliability and scalability.
INGEvaluates tradeoffs between SQL and NoSQL for analytical workloads and reporting requirements.
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Optimize a PostgreSQL reporting query by reducing scanned rows, preserving unmatched records, and selecting the latest related review efficiently.
Tata Consultancy Services (North America)PPriority Technology Holdings, LLC
ZillowCalculate each active RpmGlobal Enterprise Planning user's 30-day rolling average of daily activity.
Tavant
Rpmglobal
Two Six TechnologiesUse a CTE, join, date filters, and aggregation to find ING's top three spending categories among recently active users.
ING