Grid Dynamics Data Engineer Interview Questions
The questions to prepare for a Grid Dynamics Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Merge two sorted singly linked lists into one sorted list by relinking existing nodes.
Grid DynamicsTests your ability to implement data processing logic in production-oriented languages.
Grid DynamicsApproach for handling schema changes and data quality checks in a high-volume data lake pipeline.
Grid DynamicsRedesign a slow Databricks Spark ETL pipeline to cut runtime from 3 hours to under 60 minutes without breaking data quality or SLAs.
Grid DynamicsCompare batch and streaming data processing, including when each fits best in a pipeline.
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Explain how to choose normalized or denormalized schemas for transactional and analytics workloads, including trade-offs in performance and data quality.
Grid DynamicsTests your understanding of joins, keys, and data modeling for reliable analytics.
Grid DynamicsTests your modeling tradeoffs for consistency, performance, and maintainability.
Grid DynamicsAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
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Benjamin MooreRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
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