Button Software Engineer Interview Questions

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

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CodingStart here. 6 questions · ~57 min

Write a binary search function to find a target value in a sorted array.

Palindrome String FunctionEasy

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Use two pointers to determine whether a PenFed member-note string reads identically forward and backward.

RecursionMathStrings

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Hash Set Precomputation CodingMedium

Evaluates your ability to apply hash-based data structures and precompute for performance.

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Behavioral & Leadership11 questions · ~105 min

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More topics5 questions · ~48 min

Design a URL shortener that ranks and recommends short links while handling abuse, freshness, and monitoring at scale.

Payment Microservices ArchitectureHard

Tests ability to design scalable, reliable microservices for payment workflows.

Trade-offsRoadmappingRisk Assessment

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REST vs GraphQLEasy

Tests API design understanding and ability to compare tradeoffs between approaches.

Stakeholder ManagementCommunication

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Pair Troubleshooting in AWS TestHard

Assesses systematic debugging, collaboration, and handling of environment-specific issues.

system designaws

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Improve Slow App PerformanceMedium

Tests systematic performance troubleshooting and optimization approach.

Trade-offsSuccess CriteriaRisk Assessment

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