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Updated weekly · Last refresh Oct 17

MyFitnessPal Mobile Engineer Interview Questions

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

20questions
~3htotal time
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1
CodingStart here. 10 questions · ~89 min
Swift Struct vs Class UsageEasy

Explain Swift value vs reference types, key behavioral differences, and when to choose structs or classes.

Hash TablesArraysStringsMyFitnessPal
Mobile App Performance OptimizationMedium

Explain how to diagnose and optimize mobile app performance using profiling, efficient data handling, and targeted code changes.

ArraysSearchingGreedyMyFitnessPal
Managing Memory in Mobile AppsMedium

Explain how to prevent leaks, reduce retention, and manage object lifecycles in mobile apps.

Hash TablesStackArraysMyFitnessPal
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2
System Design4 questions · ~36 min
Migrating Legacy to ModernHard

Assesses your ability to plan and execute a safe migration with minimal risk.

Project ManagementFrameworksMyFitnessPal
Managing Dependencies and LibrariesMedium

Assesses your approach to dependency hygiene, risk management, and maintainable integrations.

MyFitnessPal
Real-Time Backend SyncHard

Evaluates your approach to building reliable real-time sync between a mobile app and backend services.

MyFitnessPal
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3
Behavioral & Leadership5 questions · ~45 min
Constructive Feedback in Code ReviewsEasy

Tests how you give and receive code review feedback with professionalism, clarity, and a focus on code quality and team growth.

CommunicationfeedbackcollaborationMyFitnessPal
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4
More topics1 question · ~9 min
Local Persistence vs Network DataMedium

Tests your strategy for data consistency, caching, and offline-friendly behavior.

data persistenceNetworkingMyFitnessPal
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