Expedia (IT) Software Engineer Interview Questions

The questions to prepare for a Expedia (IT) Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

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Time Complexity of Sorting Algorithms

Easy

Compare common sorting algorithms by best, average, and worst-case time complexity and explain when each is appropriate.

MathArraysSorting

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Designing a Travel API

Medium

Tests API design skills for a high-traffic travel platform at Expedia (IT).

Trade-offsRoadmappingRisk Assessment

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Memory Management Practices

Medium

Tests understanding of memory management and reliability considerations.

InfrastructureQuality

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Microservices Monitoring and Failures

Hard

Tests resilience engineering, observability, and dependency failure handling in microservices.

InfrastructureDependenciesQuality

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Hotel Search and Personalized Booking

Hard

Tests end-to-end system design including search, ranking, availability, and personalization.

Feature StoreRetrievalRecommendation Systems

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Hotel Booking System Design

Hard

Tests system design skills for booking workflows and scalable data handling.

Feature StoreRecommendation Systems

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