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Rich Products Interview Questions

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

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1
PipelinesStart here. 6 questions · ~50 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityRich Products
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2
Machine Learning6 questions · ~50 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 TradeoffRich Products
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3
Metrics6 questions · ~50 min
Measure Marketing Campaign SuccessEasy

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading IndicatorsRich Products
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4
Execution6 questions · ~50 min
Prioritize Across Competing Data ProjectsEasy

Explain how you prioritize across multiple concurrent data engineering projects with competing stakeholder needs and limited capacity.

Trade-offsRoadmappingScope ManagementRich Products
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5
Strategy6 questions · ~50 min
Sizing an Untapped Product MarketHard

Framework for estimating TAM, adoption, and revenue for a new product launch in an untapped market.

revenue modelnew product launchMarket SizingRich Products
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6
Product Sense6 questions · ~50 min
Assess Product User Need FitEasy

Framework for determining whether a product is truly solving meaningful user needs, not just generating surface-level usage.

Jobs to Be DoneUser ResearchUser NeedsRich Products
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7
More topics14 questions · ~117 min
Decision Tree From ScratchHard
Practice

Implement a CART-style decision tree from scratch using Gini impurity, recursive splitting, and deterministic predictions.

RecursionTreesDecision TreesRich Products
Model Performance EvaluationEasy

Tests your ability to select metrics, validation strategy, and interpret results for ML models.

PrecisionAccuracyRecallRich Products
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Resolve Conflicting Customer AttributesMedium
Practice
Practice drill

Use joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.

JoinsData WranglingQualityRamsey SolutionsACME House
Reconcile Conflicting Invoice TotalsMedium
Practice
Practice drill

Reconcile billing and ERP invoice totals using joins, a CTE for latest snapshots, and CASE-based discrepancy classification.

JoinsData WranglingQualityLiterati
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.