Thomson Reuters Data Engineer Interview Questions
The questions to prepare for a Thomson Reuters Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.
Thomson ReutersExplain how to build and operate an incremental daily batch load with safe reruns, backfills, and data quality checks.
Thomson ReutersExplain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.
Thomson ReutersTests SQL performance tuning, query planning, and optimization under complex aggregations.
Thomson ReutersTests data modeling judgment and trade-offs between consistency and performance.
Thomson ReutersAggregate monthly sales totals by product category using JOINs, GROUP BY, and date formatting.
Walgreens
Rev
LatentView AnalyticsUse joins, a CTE, and aggregations to calculate average vehicle idle minutes in a specific geographic zone.
WaymoReverse each Protium loan's repayment events using ROW_NUMBER while preserving chronological row details.
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Compare generator expressions and list comprehensions by memory usage, execution model, and when each is preferable.
Thomson ReutersTests practical Pandas usage for large-file ingestion, cleaning, and aggregation.
Thomson ReutersTests Spark execution model understanding and how it impacts performance and debugging.
Thomson Reuters