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Updated weekly · Last refresh Aug 30

Allianz Data Scientist Interview Questions

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

28questions
~4htotal time
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1
Machine LearningStart here. 6 questions · ~48 min
Algorithm Differences and TradeoffsMedium

Tests your understanding of core ML algorithms and ability to compare tradeoffs for use cases.

technical knowledgeAllianz
Selecting Features for a ProjectMedium

Tests your feature selection process and how you justify choices with data and modeling goals.

project experienceAllianz
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2
Behavioral & Leadership13 questions · ~104 min
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3
More topics9 questions · ~72 min
First Checks for Metric DropsEasy

Outline the first checks to diagnose a sudden drop in a core product metric, starting with data quality, scope, and decomposition.

Lagging IndicatorsLeading IndicatorsDiagnosisAllianz
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchAllianz
Evaluating Model Performance in RealityMedium

Tests your ability to assess model quality under production constraints and real data shifts.

Model EvaluationAllianz
SQL for Average Claim AmountMedium

Tests your ability to write correct SQL for aggregation and customer-level metrics.

Data Manipulationsql queryAllianz
Statistical Significance in PracticeMedium

Tests understanding of hypothesis testing and how it informs data-driven decisions.

Data AnalysisStatistical SignificanceAllianz
Disruption Opportunities in InsuranceMedium

Tests your product sense and ability to identify high-impact DS opportunities in insurance.

innovationAllianz
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers by Sales RevenueEasy
Practice
Recently asked
Practice drill

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsHousecall ProEquifaxXYZ
Top Users by Recent Transaction VolumeMedium
Practice
Practice drill

Find the top 3 users by completed transaction volume in the last 30 days using joins and aggregation.

Data Analysisquery optimizationsqlTTier 1 BankRevolutChime
Top Churn Products by RegionMedium
Practice
Practice drill

Use joins, conditional aggregation, and ROW_NUMBER to find the three highest-churn Deutsche Telekom products in each region.

sql queryData AnalysisDDeutsche Telekom
The finish line: interview-readyComplete all 28 questions plus 3 hands-on drills to finish this plan.