Top 28
Prep plan
Updated weekly · Last refresh Oct 17

Expedia Group AI Engineer Interview Questions

The questions to prepare for a Expedia Group AI Engineer interview. Questions from real interview reports rank first. Updated daily.

28questions
~5htotal time
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1
CodingStart here. 7 questions · ~78 min
Writing a Machine Learning FunctionHard
Practice

Use dynamic programming and backpointers to find the most likely hidden-state sequence in a Hidden Markov Model.

RecursionMathArraysExpedia Group
Breadth-First SearchEasy
Practice

Implement BFS to traverse a graph level by level from a given start node.

QueueSearchingGraphsExpedia Group
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2
Generative AI & LLMs4 questions · ~45 min
3
System Design4 questions · ~45 min
Design a Travel Recommendation PipelineHard
Recently asked

Design an end-to-end travel recommendation system with retrieval, ranking, feature pipelines, and online feedback loops.

Feature StoreRetrievalRecommendation SystemsExpedia Group
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4
Model Evaluation4 questions · ~45 min
Approach to Underperforming ModelsMedium

Structured approach for diagnosing an underperforming model and deciding whether to fix data, thresholding, calibration, or the model.

PrecisionAccuracyRecallExpedia Group
Choose Classification MetricsMedium

Choose the right classification metrics, and explain when precision, recall, and F1 score matter most.

F1 ScorePrecisionRecallExpedia Group
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5
Machine Learning4 questions · ~45 min
Feature Selection for Supervised ModelsMedium

Explain a practical feature selection process using validation, regularization, and model-based importance to improve generalization.

Cross-ValidationFeature EngineeringRegularizationExpedia Group
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6
Behavioral & Leadership4 questions · ~45 min
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7
More topics1 question · ~11 min
ML Pipeline ArchitectureMedium

Tests understanding of end-to-end ML pipelines including training, validation, and deployment.

ETLBatch ProcessingOrchestrationExpedia Group
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