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Updated weekly · Last refresh Aug 30

Shopify Data Scientist Interview Questions

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

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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~70 min
Count Distinct Users by DayEasy
Practice

Count unique Shopify users per calendar day using timestamp conversion, COUNT(DISTINCT), GROUP BY, and ORDER BY.

sqlShopify
SQL for Sales and LogsHard
Practice
Practice drill

Aggregate completed Shopify sales and admin logins by merchant and month using CTEs, LEFT JOIN, and conditional logic.

case studysqlShopify
Querying Transactions in SQLMedium
Practice
Practice drill

Aggregate monthly Shopify Payments sales and refunds by merchant using a CTE, conditional aggregation, and a merchant join.

sqldata extractionShopify
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2
A/B Testing & Experimentation3 questions · ~25 min
Shipping a Small-Lift ExperimentMedium
Recently asked

Explain when a statistically small experiment lift is still worth shipping by tying effect size to scale, guardrails, and decision thresholds.

Trade-offsA/B TestingShopify
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3
Statistics & Probability4 questions · ~33 min
At Least Once Conversion ProbabilityMedium
Recently asked

Tests probability reasoning for conversion across repeated independent sessions.

probabilityShopify
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4
Product Sense5 questions · ~42 min
Price Increase Impact on Ecosystem LTVMedium
Recently asked

Assesses causal and metric reasoning for pricing changes affecting Shopify ecosystem LTV.

Pricing StrategyShopify
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5
Machine Learning4 questions · ~33 min
Predicting Customer Churn ModelMedium
Recently asked

Tests end-to-end ML modeling and evaluation for churn prediction.

Machine LearningModel EvaluationShopify
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6
Behavioral & Leadership15 questions · ~125 min
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7
More topics3 questions · ~25 min
Daily Active Merchants Drop DiagnosisMedium
Recently asked

Assesses ability to diagnose metric drops using structured investigation at Shopify.

Data AnalysisShopify
Explain a VisualizationMedium

Assesses your ability to interpret and communicate analytical results.

data visualizationAnalysisShopify
System Design Round ScopeHard

Evaluates your ability to structure a system design solution for data and analytics needs.

system designtechnicalShopify
The finish line: interview-readyComplete all 40 questions plus 2 hands-on drills to finish this plan.