Top 8
Prep plan
Updated weekly · Last refresh Sep 22
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CRED Mobile Engineer Interview Questions

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

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1
CodingStart here. 5 questions · ~43 min
Design an Image Cache LibraryHard

Design an in-memory image cache and explain how to evict, downscale, and react to memory pressure.

Hash TablesQueueHeapCCRED
iOS Concurrency and ArchitectureHard

Evaluates your depth across core iOS engineering topics and how you apply them in real apps.

concurrencyCCRED
Design an Image Loading LibraryHard

Evaluates system design skills for a performant, reliable mobile image loading component.

image loadingCCRED
Building a View StackMedium

Assesses your approach to composing UIKit views and structuring UI code.

CCRED
Longest Increasing Subsequence VariantHard

Assesses your ability to derive and implement an efficient dynamic programming solution.

Dynamic ProgrammingAlgorithmsCCRED

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2
Behavioral & Leadership3 questions · ~26 min
View Controller State TransitionsMedium

Assesses your ability to manage iOS view lifecycle and state safely during navigation and updates.

iOSstate managementCCRED
iOS Performance BottlenecksMedium

Evaluates your practical performance troubleshooting and mitigation strategies for mobile apps.

iOSperformance optimizationtechnical discussionCCRED
App Launch and Memory OptimizationMedium

Assesses your approach to measuring, prioritizing, and improving launch and memory performance.

memory managementperformanceCCRED
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