Persistent Engineering Manager Interview Questions

The questions to prepare for a Persistent Engineering Manager interview. Questions from real interview reports rank first. Updated daily.

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System DesignStart here. 4 questions · ~33 min

Node.js Event LoopMedium

Evaluates understanding of Node.js execution and performance implications for production workloads.

system architecturedistributed systems

Persistent

Automated API PaginationMedium

Tests your approach to designing reliable, scalable pagination for APIs.

paginationapi designscalability

Persistent

Concurrency Without Data LossHard

Evaluates system design choices for correctness under concurrent access.

system designdata integrityconcurrency

Persistent

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Metrics3 questions · ~25 min

Star vs Snowflake SchemaMedium

Assesses data modeling trade-offs for analytical workloads.

snowflake schemastar schemaschema design

Persistent

SQL WHERE vs HAVINGEasy

Tests understanding of SQL query filtering semantics and aggregation behavior.

query optimizationsql

Persistent

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More topics4 questions · ~33 min

Explain how you prioritize technical debt versus feature work while aligning stakeholders and protecting delivery speed.

Tests ability to reason about concurrency and choose safe data structures.

Data Storage Trade-OffsMedium

Assesses decision-making across storage options based on requirements and constraints.

Trade-offsproject planningdata storage

Persistent

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