Notion Software Engineer Interview Questions

The questions to prepare for a Notion Software Engineer interview. Questions from real interview reports rank first. Updated daily.

16questions

~2htotal time

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System DesignStart here. 6 questions · ~49 min

Design consistency guarantees across distributed ML data, feature, training, and serving components.

Database Structures Trade-offsMedium

Tests system design trade-offs for storing and querying collaborative document data.

Trade-offsdatabasecollaboration

Notion

Monitoring and ObservabilityMedium

Tests ability to define actionable metrics, tracing, and alerting for production reliability.

monitoringobservability

Notion

Relational vs NoSQL Trade-offsMedium

Assesses data modeling decisions and how they impact performance, consistency, and operational complexity.

Trade-offsnosql

Notion

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Behavioral & Leadership7 questions · ~57 min

Leading an Ambiguous Technical ProjectMedium

Tests leading through technical ambiguity by creating clarity, prioritizing decisions, and driving aligned execution under uncertainty.

technical ambiguityLeadershipProject Management

Notion

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More topics3 questions · ~24 min

Explain a queue-based, stateful rate limiter for concurrent workers calling third-party APIs safely and efficiently.

Optimize Slow React ComponentMedium

Assesses performance debugging, profiling, and practical optimization strategies in React.

reactperformanceoptimization

Notion

Take-Home Feature WalkthroughMedium

Assesses coding ability, design choices, and communication through an incremental feature addition.

Notion

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The finish line: interview-readyComplete all 16 questions to finish this plan.