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GEN Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 4 questions · ~35 min
2
Metrics4 questions · ~35 min
Design Success Metrics FrameworkMedium

Define a practical framework for judging design success using leading, lagging, and funnel-based product metrics.

KPIsConversion RateEngagement MetricsGEN
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3
Execution4 questions · ~35 min
Prioritize Tests Using Risk-Based TestingEasy

Explain how you would prioritize test cases by risk when time and coverage are both constrained.

Trade-offsRisk AssessmentScope ManagementGEN
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4
Product Sense4 questions · ~35 min
Pivot Product Based on FeedbackMedium

Describe how you used user feedback to change product direction, reprioritize features, and make clear trade-off decisions.

User ResearchFeature PrioritizationUser NeedsGEN
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5
Statistics & Probability4 questions · ~35 min
Correlation Versus Causation in MarketingEasy

Explain why an observed marketing relationship can be correlated without being causal, and how you would validate a true causal effect.

CorrelationHypothesis TestingCausal InferenceGEN
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6
Machine Learning4 questions · ~35 min
L1 vs L2 RegularizationMedium

Explain how L1 and L2 regularization differ geometrically and probabilistically, grounded in a practical supervised learning example.

Feature EngineeringRegularizationSupervised LearningGEN
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7
More topics26 questions · ~229 min
SQL Query OptimizationMedium

Tests your approach to diagnosing and improving SQL performance.

Performance TuningsqlGEN
Balance Growth and Product HealthHard

Approach for balancing short-term growth wins with long-term product health.

Trade-offsGrowth StrategyProduct VisionGEN
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.