OfferUp Mobile Engineer Interview Questions

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

15questions

~2htotal time

Track your progressSign up free to work through all 15 questions and resume where you left off.

CodingStart here. 4 questions · ~33 min

Assesses your ability to implement correct data processing logic and edge-case handling.

Coding, Design, and EstimationMedium

Assesses your ability to balance implementation, design decisions, and realistic effort estimates.

EstimationCodingdesign

OfferUp

iOS Algorithm and Domain KnowledgeHard

Evaluates your ability to combine iOS-specific understanding with algorithmic thinking.

Algorithmsdomain knowledge

OfferUp

Mini App Build Under TimeHard

Evaluates how you plan, execute, and deliver a mobile feature under time pressure.

OfferUp

Technical Fundamentals7 questions · ~57 min

Assesses your refactoring strategy, risk management, and regression prevention.

Debugging a Hard-to-Reproduce CrashMedium

Tests your crash triage skills and debugging methodology for mobile issues.

Debugging

OfferUp

Mobile Memory and PerformanceMedium

Assesses your practical approach to mobile performance and memory issues.

memory managementandroidperformance optimization

OfferUp

More Technical Fundamentals questions with a free account

Create a free account to unlock this list and practice real interview questions.

Behavioral & Leadership4 questions · ~33 min

Balancing Quality Against Delivery PressureMedium

Tests ownership and prioritization in managing code quality and technical debt without sacrificing delivery.

CommunicationOwnershipPrioritization

OfferUp

More Behavioral & Leadership questions with a free account

The finish line: interview-readyComplete all 15 questions to finish this plan.