Top 24
Prep plan
Updated weekly · Last refresh Oct 17

Cargill Data Engineer Interview Questions

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

24questions
~3htotal time
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1
CodingStart here. 4 questions · ~35 min
Merge Two Sorted ArraysEasy
Practice

Merge two sorted arrays into one sorted array using a two-pointer linear scan.

ArraysSortingTwo PointersCargill
Optimize a Data Processing AlgorithmHard

Tests your algorithmic thinking and ability to improve performance in data processing tasks.

Hash TablesArraysGreedyCargill
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2
Pipelines14 questions · ~122 min
Diagnose an Integration Pipeline IssueMedium

Structured approach to diagnose failures in an ETL integration, from source extraction through orchestration, data quality, and idempotent recovery.

ToolsDependenciesQualityCargill
Real-Time Dashboard Pipeline DesignHard

Approach for building near-real-time dashboard pipelines with streaming, orchestration, and data quality controls.

Stream ProcessingSchedulingDependenciesCargill
Explain ETL in Data EngineeringEasy

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

ETLOrchestrationQualityCargill
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3
SQL & Data Manipulation6 questions + 3 drills · ~82 min
Top Performers by Year QueryMedium

Tests SQL skills for joining external CSV data and ranking top results by year.

Data AnalysissqlCargill
Optimize Slow SQL QueriesMedium

Tests query tuning skills and ability to improve performance on large production datasets.

JoinsData WranglingAggregationsCargill
SQL vs NoSQL DifferencesEasy

Tests database fundamentals and ability to select the right storage model for requirements.

SubqueriesJoinsData WranglingCargill
SQL and Data Tooling ProficiencyMedium
Practice
Practice drill

Aggregate project usage to identify frequently used data analysis tools and compare their hours and ratings.

analytics toolsToolsJoinsLimeadeLaSalle NetworkE15 Group
SQL for Weekly Output DeclinesMedium
Practice
Practice drill

Aggregate Cargill production by week, compare consecutive weeks with LAG, and flag plants whose output declined.

Window FunctionsLag/LeadDate FunctionsCargill
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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The finish line: interview-readyComplete all 24 questions plus 3 hands-on drills to finish this plan.