Fanduel Mobile Engineer Interview Questions

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

12questions

~2htotal time

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CodingStart here. 6 questions · ~58 min

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

Evaluates your ability to design unit tests for deterministic, logic-heavy code in a mobile engineering context.

Analyze Time and SpaceMedium

Practice

Implement a longest-consecutive-sequence algorithm and justify its time and auxiliary-space complexity.

space complexitytime complexityArrays

Fanduel

Optimize for Mobile MemoryMedium

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

mobile developmentperformance

Fanduel

Handle Edge CasesMedium

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

error handlingedge casesimplementation

Fanduel

Write Unit-Testable CodeMedium

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

best practicescode quality

Fanduel

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Behavioral & Leadership6 questions · ~58 min

Take-Home Coding Challenge ApproachMedium

Evaluates your planning, execution, and communication when completing a take-home coding task.

Fanduel

iOS and SwiftUI ExperienceEasy

Assesses your practical iOS and SwiftUI experience relevant to building FanDuel mobile features.

swift

Fanduel

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