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Canonical Interview Questions

The questions to prepare for Canonical interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 5 questions · ~51 min
2
System Design4 questions · ~41 min
Design Feature Drift Monitoring SystemHard

Design a production ranking system with robust feature drift monitoring across batch and real-time features at high QPS.

Feature StoreFeature DriftModel ServingCanonical
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3
Machine Learning4 questions · ~41 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 TradeoffCanonical
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4
Execution4 questions · ~41 min
Balancing Speed Quality and ScopeHard

Describe a time you had to choose between speed, quality, and scope, and how you aligned stakeholders around the trade-off.

Trade-offsRisk AssessmentScope ManagementCanonical
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5
Pipelines4 questions · ~41 min
Handling Missing Data in PipelinesMedium

Approach for handling missing data in an ML data pipeline, including validation, imputation, and safe downstream consumption.

InfrastructureETLBatch ProcessingCanonical
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6
Metrics4 questions · ~41 min
Using Metrics to Drive DecisionsEasy

Explain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.

Funnel AnalysisKPIsLeading IndicatorsCanonical
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7
More topics25 questions · ~257 min
SQL Top 10 Products by SalesEasy
Practice

Aggregate completed SMX product sales and return the top 10 products by units sold.

RankingGroup ByAggregationsCanonical
Staying Current on Industry TrendsEasy

A practical approach for tracking industry trends, competitor moves, and market changes in a way that informs strategy decisions.

EstimationCompetitive AnalysisGrowth StrategyCanonical
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Hands-on SQL practiceWrite and run real queries in the editor. 1 drill · ~10 min
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