Top 6
Prep plan
Updated weekly · Last refresh Oct 17Substack Full Stack Engineer Interview Questions
The questions to prepare for a Substack Full Stack Engineer interview. Questions from real interview reports rank first. Updated daily.
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System DesignStart here. 4 questions · ~32 min
Database Architectures for SubscriptionsMedium
Explores database design choices for a subscription business model and their implications.
Trade-offsdatabase architecture
Substack
SubstackHigh-Frequency Data Ingestion SystemHard
Evaluates scalable system design for high-throughput data ingestion within Substack context.
system designscalabilitydata ingestionSubstack
SubstackDiagram Data Flow to External ServiceMedium
Assesses ability to design data flow to external services and capture failure modes.
scalabilityarchitectureSubstack
SubstackMaintaining Data Consistency in MicroservicesHard
Tests understanding of consistency guarantees and coordination in microservices.
distributed systemsdata consistencymicroservicesSubstack
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2
More topics2 questions · ~16 min
Rolling Data StructureMedium
Evaluates data structure design for sliding/rolling data storage.
SubstackEdge-Case Optimizations for an AlgorithmHard
Tests coding ability with attention to edge cases and optimization.
edge casesSubstack
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