F5 Networks Software Engineer Interview Questions

The questions to prepare for a F5 Networks Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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CodingStart here. 12 questions · ~129 min

Use postorder recursion to determine whether a binary tree is height-balanced in O(n) time.

Longest Palindrome FunctionMedium

Practice

Find the longest palindromic substring in F5 BIG-IP telemetry using Manacher's algorithm in linear time.

Dynamic ProgrammingStringsTwo Pointers

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Execution10 questions · ~107 min

Tests ability to design scalable architectures with appropriate components and patterns.

Optimizing an Existing ApplicationMedium

Tests performance engineering judgment and tradeoff analysis for production systems.

Trade-offsSuccess CriteriaScope Management

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System Design12 questions · ~129 min

Design for Millions of RequestsHard

Tests system design skills for high-scale performance, reliability, and capacity planning.

ML RankingRecommendation Systems

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Security & Infrastructure12 questions · ~129 min

tcpdump Output InterpretationMedium

Tests packet capture fundamentals and ability to interpret network traces.

Networking

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Debugging Network IssuesMedium

Assesses troubleshooting approach and tool selection for network problems.

Debugging

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Behavioral & Leadership3 questions · ~32 min

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