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Updated weekly · Last refresh Aug 30

Fanduel Mobile Engineer Interview Questions

The questions to prepare for a Fanduel Mobile Engineer interview. Questions from real interview reports rank first. Updated weekly.

13questions
~2htotal time
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1
CodingStart here. 7 questions · ~57 min
Handle Edge CasesMedium

Tests your ability to produce robust code that behaves correctly under tricky inputs.

error handlingedge casesimplementationFanduel
Solve a Data Structure ProblemMedium

Tests your ability to implement correct solutions to common data structure problems.

function implementationData StructuresFanduel
Optimize for Mobile MemoryMedium

Tests your ability to adapt algorithms and implementations for mobile performance constraints.

mobile developmentperformanceFanduel
Analyze Time and SpaceMedium

Tests your ability to reason about algorithmic performance and tradeoffs.

space complexitytime complexityFanduel
Write Unit-Testable CodeMedium

Tests your ability to design for testability and maintain reliable engineering practices.

best practicescode qualityFanduel
Store Local Data SafelyMedium

Assesses your approach to secure local storage on iOS for a mobile wagering app like FanDuel.

safetydata storageFanduel
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2
Behavioral & Leadership6 questions · ~49 min
Resolve Technical DisagreementsMedium

Tests conflict resolution, collaboration, and communication in technical decision-making.

Conflict ResolutionCommunicationteamworkFanduel
Recover When Projects SlipMedium

Tests ownership, adaptability, and learning from delivery challenges.

learningadaptabilityProject ManagementFanduel
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The finish line: interview-readyComplete all 13 questions to finish this plan.