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Updated weekly · Last refresh Aug 30

Roku Data Analyst Interview Questions

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

27questions
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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~54 min
7-Day Rolling Active UsersMedium
Practice

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

Window FunctionsDate FunctionsRunning TotalsRoku
Join Semantics on Event TablesMedium

Tests understanding of join semantics and performance tradeoffs in big event data.

Performance TuningJoinstransactionsRoku
SQL Join for Top EarnersEasy
Practice
Practice drill

Use ORDER BY and LIMIT to return Roku's two highest-paid employees.

queriesJoinssqlRoku
SQL Table Query With Filters and AggregatesEasy
Practice
Practice drill

Aggregate Roku Channel viewing by content category for a date range using WHERE, GROUP BY, COUNT, SUM, and AVG.

sqlRoku
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2
Metrics3 questions · ~25 min
Investigate Streaming Hours DropMedium

Tests metrics-driven troubleshooting across product, data, and instrumentation signals.

DiagnosisTime SeriesEngagement MetricsRoku
Estimate Ad Glitch Financial ImpactHard

Tests ability to build an impact model linking technical issues to revenue outcomes.

roifinancial dataDiagnosisRoku
Month-Over-Month RetentionMedium

Tests SQL skills for cohorting and retention calculations.

RetentionKPICohort AnalysisRoku
3
Behavioral & Leadership17 questions · ~144 min
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4
More topics3 questions · ~25 min
Measure Long-Term Retention LiftHard

Design an experiment to tell whether a new feature improves true retention, not just short-term usage.

ExperimentationCausal InferenceGuardrail MetricsRoku
Define Metrics for New FeaturesMedium
Recently asked

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser valueRoku
Measure Recommendation Algorithm SuccessMedium

Tests product analytics judgment for recommendation impact and measurement design.

MetricsUser ResearchUser NeedsRoku

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