Top 50 data engineering Interview Questions
The most frequently asked data engineering questions across all roles and companies, ranked by real interview frequency. Updated daily.
Summarize SQL concepts by interview round, including rounds without SQL topics and average planned depth.
EXL ServiceExplain partition pruning and demonstrate its query-performance benefits while aggregating filtered project costs.
The Boston Consulting GroupAssess SQL proficiency by summarizing qualifying Binance spot trading activity with joins, aggregation, filtering, and a CTE.
BinanceTests how you communicate hands-on SQL experience through a concrete example, including ownership, validation, and business impact.
Pcs Research Group
Expedia Group
Hewlett Packard Enterprise DevelopmentTests how clearly a candidate defines data engineering and connects it to reliable, useful data products.
Meta Platforms
Meta Logistics
Principal Financial GroupTests ownership, prioritization, stakeholder leadership, and execution across a data project lifecycle.
Lyft
Barclays
DatadogTests adaptability, ownership, and prioritization in maintaining current data engineering skills.
Navy Federal Credit UnionHHudson IT and Manpower
BrooksourceDiscuss hands-on experience designing, operating, and improving scalable ETL or ELT pipelines.
Bread FinancialHHealthVerityee-Zest SolutionsUse a hash map to retain the latest record for each key and return deterministic aggregated output.
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