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PwC India Data Engineer Interview Questions

The questions to prepare for a PwC India Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

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1
PipelinesStart here. 9 questions · ~72 min
Data Quality and Schema EvolutionMedium
Recently asked

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

schema evolutionData ModelingQualityPwC India
ETL vs ELT Trade-offsEasy
Recently asked

Compare ETL and ELT, and explain when ELT is the better pipeline pattern.

ETLELTData ModelingPwC India
Cloud Pipeline Data SecurityMedium
Recently asked

Key security considerations for a cloud data pipeline, from ingestion through storage, orchestration, and monitoring.

InfrastructureGovernanceETLPwC India
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2
SQL & Data Manipulation5 questions + 3 drills · ~70 min
Join Types and Lake vs WarehouseMedium

Tests SQL join understanding and data platform architecture tradeoffs.

Joinssqldata warehousePwC India
Partitioning and Indexing StrategiesMedium

Assesses your practical approach to query and workload performance tuning using physical design choices.

performance optimizationindexingPwC India
Optimizing Slow SQL and SparkMedium

Tests your ability to diagnose and improve performance for large-scale SQL and PySpark workloads.

pysparkPerformance TuningPwC India
SQL Top Customers QueryEasy
Practice
Practice drill

Find the top 5 Impact Analytics customers by total sales using filtering, GROUP BY, SUM, ORDER BY, and LIMIT.

RankingGroup ByAggregationsPwC IndiaLatentView AnalyticsImpact Analytics
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
Top Earners via Table JoinMedium
Practice
Practice drill

Rank Motorola Solutions employees by total earnings using a LEFT JOIN, aggregation, COALESCE, and ROW_NUMBER.

JoinssqlMotorola SolutionsMotorola
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3
Behavioral & Leadership5 questions · ~40 min
Explaining a Technical Concept ClearlyEasy
Recently asked

Tests communication, ownership, and stakeholder management when translating technical complexity into actionable business understanding.

Problem SolvingData Structurestechnical fundamentalsPwC India
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4
More topics1 question · ~8 min
SQL and Python Coding FundamentalsMedium

Tests your hands-on capability with SQL and Python for core data engineering concepts and tasks.

data engineeringsqlpythonPwC India
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.