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Updated weekly · Last refresh Oct 17

Guy Carpenter Software Engineer Interview Questions

The questions to prepare for a Guy Carpenter Software Engineer interview. Questions from real interview reports rank first. Updated daily.

23questions
~3htotal time
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1
CodingStart here. 7 questions · ~62 min
Sorting Integers FunctionEasy
Practice

Sort an integer array in ascending order and return the sorted result.

ArraysSortingGuy Carpenter
Explaining a Live Coding SolutionEasy

Explain how to present an array/hash-table coding solution clearly in a live interview, from clarification to testing.

Hash TablesArraysSortingGuy Carpenter
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2
Execution10 questions · ~88 min
Handling QA Feedback Under ReviewEasy

Explain how you handle criticism of your QA work while maintaining quality, trust, and continuous improvement.

Trade-offsSuccess CriteriaRisk AssessmentGuy Carpenter
Handling Conflict on a Data ProjectEasy

Describe how you handled a difficult teammate while keeping a data engineering project on track.

Trade-offsRisk AssessmentGuy Carpenter
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3
Pipelines3 questions · ~26 min
Design Scalable Pipeline InfrastructureHard

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

InfrastructureToolsQualityGuy Carpenter
Data Analysis in Software DevelopmentEasy

Tests your ability to connect analytics work to engineering practices like pipelines, testing, and deployment.

ToolsData ModelingQualityGuy Carpenter
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4
More topics3 questions · ~26 min
Columnar vs Traditional DatabasesMedium

Evaluates your ability to choose storage and query approaches for different analytics workloads.

databasesGuy Carpenter
Broadcast vs Shuffle JoinsMedium

Tests your knowledge of distributed join strategies and performance trade-offs.

sparkGuy Carpenter
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Finding Duplicate RecordsEasy
Practice
Practice drill

Find duplicate customer emails using GROUP BY and HAVING in PostgreSQL.

Group ByHavingAggregationsGuy CarpenterWestern DigitalBismart
Database Indexing Trade-offsHard
Practice
Practice drill

Compare PostgreSQL index strategies by read latency, write overhead, storage size, and an overall cost score.

Trade-offsdatabase optimizationdatabase managementHHostinger InternationalPPorch GroupCapital Technology Group
Database Trade-Offs for DetectionHard
Practice
Practice drill

Compare financial crime detection architectures using joined run metrics, aggregates, NULL handling, and ordered performance results.

fraud detectionTrade-offsdistributed databasesDeloitte
The finish line: interview-readyComplete all 23 questions plus 3 hands-on drills to finish this plan.