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Updated weekly · Last refresh Oct 17

Netflix Full Stack Engineer Interview Questions

The questions to prepare for a Netflix Full Stack Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
Technical FundamentalsStart here. 7 questions · ~67 min
Sticky Sessions in Distributed SystemsHard

Evaluate session affinity against stateless services, including performance benefits, uneven load, failover, scaling, and deployment costs.

networking basicsTrade-offsdistributed systemsNetflix
Deep Java Knowledge in Full StackHard

Explains why Java expertise matters for Netflix services through JVM behavior, concurrency, memory management, and production performance.

javaJVM Internalstechnical fundamentalsNetflix
Sticky Sessions: Pros and ConsHard

Explain how sticky sessions preserve client affinity, why they simplify stateful applications, and what scalability and availability costs they introduce.

networking basicsWeb Platformdistributed systemsNetflix
Promotions of PromisesMedium

Evaluates knowledge of Promise behavior in JavaScript.

javascriptNetflix
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2
System Design3 questions · ~29 min
UI Implementation vs Design in Fast PaceHard

Explain how to balance shipping Netflix UI features quickly with maintaining coherent, scalable high-level design.

client-sidedesignarchitecture patternsNetflix
Design a High-Performance Logging LibraryHard

Design a performant, reliable logging library for Netflix's globally distributed streaming services.

performancedistributed systemsdata ingestionNetflix
Design a Logging LibraryMedium
Recently asked

Tests system design and API design for observability components.

Netflix
3
More topics1 question · ~10 min
Topological Sort in Dependency ManagementHard
Practice

Order Netflix services by dependency using Kahn's algorithm and return an empty list when dependencies contain a cycle.

topological sortData Structurescycle detectionNetflix

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