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Updated weekly · Last refresh Aug 30

Taboola Data Scientist Interview Questions

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

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1
Machine LearningStart here. 8 questions · ~64 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 TradeoffTaboola
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2
Metrics4 questions · ~32 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 IndicatorsDiagnosisTaboola
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3
A/B Testing & Experimentation3 questions · ~24 min
Power Analysis for Survey ExperimentHard

Determine sample size and power for a customer survey or experiment, including MDE, guardrails, and a disciplined decision rule.

MDEPower AnalysisSample SizeTaboola
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4
Behavioral & Leadership13 questions · ~104 min
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5
More topics13 questions · ~104 min
Choosing Classification Evaluation MetricsEasy

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

PrecisionAccuracyRecallTaboola
Design a Real-Time Prediction PlatformHard

Design a low-latency ML system for real-time predictions with online features, model serving, and monitoring.

Feature StoreFeature DriftModel ServingTaboola
SQL Window Functions for EngagementMedium

Tests your SQL proficiency for time-based analytics and your ability to extract engagement trends.

Window FunctionsDate FunctionsRunning TotalsTaboola
Ensuring ReproducibilityEasy

Tests practices for repeatable, auditable analysis pipelines and documentation.

OrchestrationData ModelingQualityTaboola
Confidence Intervals for Business MetricsMedium

Tests your ability to quantify uncertainty and communicate interval meaning for business decisions.

Confidence IntervalsCentral Limit TheoremVarianceTaboola
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL for Good UsersMedium
Practice
Practice drill

Use CTEs and aggregation to find Taboola Ads Manager users averaging at least three weekly sessions and calculate session duration.

sql queryData AnalysisTaboola
30-Day Moving Average of BookingsMedium
Practice
Practice drill

Build a daily series and compute a 30-day trailing moving average of task bookings using window functions.

Window FunctionsData WranglingAggregationsTaskRabbitRBC
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 41 questions plus 3 hands-on drills to finish this plan.