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CME Group Data Engineer Interview Questions

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

10questions
~1htotal time
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1
PipelinesStart here. 3 questions · ~25 min
Design High-Throughput Event PipelineHard

Design a real-time event pipeline that can handle millions of events per second with sub-second latency.

data pipelineevent processinglatencyCME Group
Data Validation in ETL PipelinesMedium

Approach for validating ETL data with schema, business rule, and pipeline-level checks.

strategiesETLdata validationCME Group
Trade Data Parsing with SparkHard

Tests ability to design and implement scalable Spark pipelines for large trade datasets.

data processingsparkCME Group
2
Behavioral & Leadership3 questions · ~25 min
Balancing Technical Debt and DeliveryMedium

Tests prioritization under pressure: balancing technical debt, delivery commitments, and stakeholder alignment with clear ownership.

Stakeholder ManagementOwnershipPrioritizationCME Group
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3
More topics4 questions · ~33 min
Zero-Downtime PostgreSQL Schema MigrationsHard

Explain how to run PostgreSQL schema migrations without downtime while preserving compatibility, integrity, and performance.

schema migrationsdatabase managementproduction environmentCME Group
Expected Value for Biased CoinMedium

Tests probability reasoning and expected value calculations under game constraints.

probabilityCME Group
Time Complexity Pair-Sum AlgorithmHard

Evaluates algorithm design and time complexity tradeoffs for large-scale data problems.

time complexityAlgorithmsCME Group
Debugging SQL Joins and AggregatesEasy

Assesses practical SQL debugging skills and validation of query correctness.

DebuggingsqlCME Group

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL, Tableau, and Modeling ChoicesMedium
Practice
Practice drill

Rank active CME Group employees by current salary using joins and ROW_NUMBER for a Tableau compensation dashboard.

sqlCME Group
SQL Duplicate DetectionEasy
Practice
Practice drill

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

Group ByHavingAggregationsAdtalem Global EducationAmerisave MortgageCitrine Informatics
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
The finish line: interview-readyComplete all 10 questions plus 3 hands-on drills to finish this plan.