Top 45
Prep plan
Updated weekly · Last refresh Aug 30

Thumbtack Data Scientist Interview Questions

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

45questions
~6htotal time
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1
A/B Testing & ExperimentationStart here. 11 questions · ~88 min
2
Metrics4 questions · ~32 min
Diagnose Ride Booking Funnel DropMedium

Diagnose why ride bookings fell by breaking the booking funnel into conversion steps and isolating the failing stage.

Funnel AnalysisConversion RateDiagnosisThumbtack
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3
Statistics & Probability3 questions · ~24 min
Sample Size for MDEMedium

Tests power analysis and experimental planning skills for reliable detection of effect sizes.

MDEPower AnalysisSample SizeThumbtack
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4
Product Sense5 questions · ~40 min
Diagnose Search-to-Hire BottleneckHard

Tests structured debugging of funnel metrics from search to bookings and hiring at Thumbtack.

Funnel AnalysisDiagnosisThumbtack
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5
SQL & Data Manipulation3 questions + 3 drills · ~54 min
6
Behavioral & Leadership16 questions · ~128 min
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7
More topics3 questions · ~24 min
Design a Machine Learning SystemHard

Tests system design thinking for ML from development through production monitoring.

A/B TestingThumbtack
Forecasting and ModelingMedium

Evaluates modeling and forecasting knowledge and how you apply it to real data problems.

ForecastingmodelingThumbtack
Thorough Model EvaluationHard

Tests rigor in evaluation planning, assumptions, and statistical reasoning under ambiguity.

Data AnalysisThumbtack
The finish line: interview-readyComplete all 45 questions plus 3 hands-on drills to finish this plan.