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Updated weekly · Last refresh Aug 30

UBS Mobile Engineer Interview Questions

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

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1
CodingStart here. 11 questions · ~88 min
Refactor Legacy With ExtensionsHard

Tests ability to modernize codebases using language features without breaking behavior.

refactoringUBS
Data Structure Under Time PressureEasy

Tests algorithmic fundamentals and ability to code correctly under time constraints.

Data StructuresUBS
View Inflation in Scrollable ListsMedium

Tests understanding of Android view inflation and performance implications in lists.

androidUBS
Optimize Memory in High-Performance AppsHard

Tests ability to diagnose and prevent memory issues that impact mobile performance.

memory managementandroidperformance optimizationUBS
Android Launch ModesMedium

Tests understanding of Android activity launch behavior and correct mode selection.

androidUBS
Android Components: Service vs IntentService vs WorkManagerMedium

Tests knowledge of Android background execution options and when to use each.

androidbackground processingUBS
Dependency Injection for TestabilityMedium

Tests understanding of DI patterns and how they enable unit testing and clean architecture.

dependency injectionUBS
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2
More topics2 questions · ~16 min
Async Network Calls Keep UI ResponsiveMedium

Tests ability to design responsive mobile UX with correct async and threading behavior.

asynchronousUBS
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