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Updated weekly · Last refresh Aug 30

Publicis Sapient Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~53 min
SQL Duplicate DetectionEasy
Practice
Recently asked

Find duplicate customer profiles by grouping on identifying fields and returning only repeated records.

Group ByHavingAggregationsPublicis Sapient
SQL With Joins, CTEs, WindowsMedium
Recently asked

Tests your ability to describe real SQL work and the reasoning behind query design.

Window FunctionsJoinsCTEsPublicis Sapient
Calculate Monthly Sales Growth by Product CategoryMedium
Practice
Practice drill

Calculate month-over-month sales growth for each product category using JOINs and window functions.

JoinsAggregationsWayfairREVOLVEFanatics
Monthly Active User Growth by PlatformMedium
Practice
Practice drill

Use joins, CTEs, and monthly aggregation to compute Google Maps active users and month-over-month growth.

Window FunctionsDate FunctionsAggregationsEngineGoogleZoomInfo Technologies
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2
Pipelines15 questions · ~125 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityPublicis Sapient
Explain ETL in Data EngineeringEasy
Recently asked

Explain the ETL process, why it matters, and how it fits into a practical data pipeline.

ETLOrchestrationQualityPublicis Sapient
Design Scalable Pipeline InfrastructureHard
Recently asked

Design the core pipeline infrastructure for a new project, with attention to orchestration, data quality, idempotency, and future scale.

InfrastructureToolsQualityPublicis Sapient
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3
Coding5 questions · ~42 min
PySpark for Large Dataset ProcessingMedium
Recently asked

Tests your ability to write scalable PySpark code for big data transformations.

Hash TablesArraysSortingPublicis Sapient
Spark Procedure for Data ProcessingMedium
Recently asked

Tests your practical Spark coding skills for data processing tasks.

Hash TablesArraysSortingPublicis Sapient
Explain PySpark TransformationsMedium
Recently asked

Tests your understanding of transformation design and implementation details in PySpark.

Hash TablesArraysSortingPublicis Sapient
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4
Behavioral & Leadership15 questions · ~125 min
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The finish line: interview-readyComplete all 39 questions plus 2 hands-on drills to finish this plan.