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Updated weekly · Last refresh Oct 17

Substack Interview Questions

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

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1
CodingStart here. 6 questions · ~53 min
2
Metrics4 questions · ~35 min
Choose Metrics for Feature SuccessMedium

Define a metric framework for evaluating a new feature, from immediate adoption signals to long-term retention impact.

Funnel AnalysisKPIsLeading IndicatorsSubstack
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3
System Design11 questions · ~97 min
Scaling a Key-Value StoreHard

Tests system design tradeoffs for scaling storage and retrieval efficiently.

scalabilitySubstack
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4
Product Sense6 questions · ~53 min
Admired Creator Empowerment ProductMedium

Assesses product sense by identifying what drives creator value and adoption.

Substack
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5
Behavioral & Leadership16 questions · ~141 min
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6
More topics6 questions · ~53 min
Prioritize Competing Team ProjectsMedium

Decide how to prioritize competing engineering projects when stakeholders, dependencies, and capacity all conflict.

Trade-offsRoadmappingPrioritizationSubstack
React Class Components ConsiderationsMedium

Assesses understanding of React component architecture and lifecycle trade-offs.

reactSubstack
SQL for Subscription TransitionsMedium

Tests ability to model subscription state transitions and data integrity in SQL.

sqlSubstack
Biggest Threat CompetitorMedium

Evaluates competitive thinking and strategic reasoning for Substack's market position.

market positioningCompetitive AnalysisSubstack
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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