Luxoft India Data Engineer Interview Questions
The questions to prepare for a Luxoft India Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.
Luxoft IndiaDesign a Databricks lakehouse pipeline and defend choosing Delta Lake over Iceberg and Hudi for mixed batch and streaming workloads.
Luxoft IndiaApproach for handling schema changes and data quality checks in a high-volume data lake pipeline.
Luxoft IndiaApproach for managing secrets across hybrid cloud and factory floor pipeline environments.
Luxoft IndiaExplain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.
Luxoft IndiaCompare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.
Luxoft IndiaTests modeling choices for historical tracking and overwrite semantics in dimensional data.
Luxoft IndiaFind the second highest salary in each department without using aggregate functions.
Credit Genie
Devoteam
Cisco Restaurant + BarAggregate monthly sales totals by product category using JOINs, GROUP BY, and date formatting.
Walgreens
Rev
LatentView AnalyticsCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
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Tests whether you can translate complex engineering trade-offs into clear business decisions for non-technical stakeholders.
Luxoft India