Top 43
Prep plan
Updated weekly · Last refresh Aug 30

CARTO Data Scientist Interview Questions

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

43questions
~6htotal time
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1
A/B Testing & ExperimentationStart here. 7 questions · ~57 min
2
Machine Learning8 questions · ~65 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffCARTO
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3
Model Evaluation3 questions · ~25 min
Choosing Classification Evaluation MetricsEasy

Explain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.

PrecisionAccuracyRecallCARTO
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4
Product Sense5 questions · ~41 min
Choose a Feature Success MetricHard

Framework for choosing the right primary success metric for a new feature, including leading indicators, guardrails, and business alignment.

Feature PrioritizationValue PropositionProduct VisionCARTO
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5
Statistics & Probability3 questions · ~25 min
Testing a Conversion Rate DropMedium

Explain how to test whether an observed 5% conversion rate drop is statistically significant in an experiment or before-after comparison.

Hypothesis TestingData AnalysisStatistical SignificanceCARTO
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6
Metrics3 questions · ~25 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisCARTO
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7
More topics14 questions · ~115 min
SQL Window Functions for Activity ChangeMedium

Tests your SQL skills with window functions for user-level time comparisons.

Window FunctionsLag/LeadDate FunctionsCARTO
Data Quality in Recurring PipelinesMedium

Assesses your monitoring, validation, and remediation approach for recurring data products.

IdempotencyBackfillingQualityCARTO
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 43 questions plus 3 hands-on drills to finish this plan.