Linktree Data Scientist Interview Questions

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

More Behavioral & Leadership questions with a free account

Explain how RANK() and DENSE_RANK() handle ties differently in ordered SQL results such as leaderboards.

7-Day Rolling Active Users

Medium

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning Totals

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Handling Missing Data in SQL

Easy

Explain practical SQL techniques for handling NULLs and missing values in product analysis without biasing metrics.

Data WranglingCase WhenAggregations

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Explain when network interference threatens an A/B test, how it biases estimates, and how to redesign the experiment safely.

Design Test for New Feature

Medium

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B Testing

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Define Feature Success Metrics

Medium

Framework for choosing a feature's primary success metric and guardrails before launch.

MetricsFeature PrioritizationProduct Vision

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Statistical Significance in Hypothesis Testing

Easy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical Significance

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Investigate User Engagement Decline

Medium

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement Metrics

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