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Top 21
Prep plan
Updated weekly · Last refresh Sep 10

Indra Data Engineer Interview Questions

The questions to prepare for a Indra Data Engineer interview. Questions from real interview reports rank first. Updated daily.

21questions
~3htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~64 min
SQL Query OptimizationMedium
Practice

Optimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.

Performance Tuningdatabase optimizationindexesIndra
Clustered vs Non-Clustered IndexesMedium

Explain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.

JoinsData WranglingIndra
Optimize Slow Query on Big TablesHard

Tests advanced SQL performance troubleshooting on very large datasets.

Performance Tuningquery optimizationIndra
Contact Center Agent Performance MetricsHard
Practice
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
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2
Pipelines6 questions · ~53 min
Describe a Complex Transformation PipelineMedium

Explain a complex ETL transformation you built, including the main challenges and how you handled them.

ETLData ModelingQualityIndra
Batch vs Stream Processing Trade-offsMedium

Compare batch and stream processing across latency, complexity, cost, and data quality in a modern analytics pipeline.

InfrastructureStream ProcessingETLIndra
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityIndra
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3
Coding3 questions · ~26 min
Scala Data Types and OperatorsMedium

Tests your understanding of core Scala semantics and how they affect correctness.

Indra
Scala None, Null, and NilMedium

Tests your knowledge of Scala null-safety and best practices for handling missing values.

null handlingIndra
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4
Behavioral & Leadership7 questions · ~61 min
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The finish line: interview-readyComplete all 21 questions plus 2 hands-on drills to finish this plan.