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Updated weekly · Last refresh Aug 30

Medpace Data Engineer Interview Questions

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

21questions
~3htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~71 min
Second Highest Without AggregatesHard
Practice
Recently asked

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsMedpace
Optimize Slow Patient QueriesHard
Recently asked

Tests query optimization skills for large-scale clinical datasets and performance troubleshooting.

performancequery optimizationMedpace
Indexes and Performance TradeoffsMedium
Recently asked

Tests database fundamentals and ability to reason about performance tradeoffs in production systems.

performancedatabaseindexesMedpace
Join Types and Clinical ReportingMedium
Recently asked

Tests understanding of SQL join semantics and ability to prevent data issues that impact clinical reporting.

Joinsdata integrityMedpace
SQL High-Level Topic QuizMedium

Tests your breadth of SQL knowledge and your ability to reason about query correctness and performance.

Medpace
SQL Joins and When to Use ThemMedium

Assesses your SQL fundamentals and your ability to choose the right join strategy for correct clinical reporting.

Medpace
Rolling 7-Day Average with Window FunctionsMedium
Practice
Practice drill

Calculate patient rolling 7-day averages and rank patients within each Medpace research site using layered window functions.

Window FunctionsRankingRunning TotalsTThoughtWorksMedpaceHealth Care Solutions At Home
Self-Join Manager Salary CheckEasy
Practice
Practice drill

Use a self-join to identify Tiger Analytics employees whose salaries exceed their direct managers.

SubqueriesJoinsSelf-JoinsNevada StaffingTiger Analytics
2
Behavioral & Leadership14 questions · ~120 min
Disagreeing on a Technical DirectionMedium

Tests conflict resolution and influence during technical disagreement, including how you challenge decisions and commit after alignment.

Influence Without AuthorityConflict ResolutionteamworkMedpace
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3
More topics1 question · ~9 min
Converting Unstructured Web DataHard

Tests your approach to transforming unstructured web data into structured datasets for analytics or clinical workflows.

Medpace

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