Top 29
Prep plan
Updated weekly · Last refresh Aug 30

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 weekly.

29questions
~5htotal time
Track your progressSign up free to work through all 29 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 8 questions · ~89 min
Check Binary Tree BalanceEasy
Practice

Use postorder recursion to determine whether a binary tree is height-balanced in O(n) time.

RecursionSearchingTreesExpedia Group
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
More Coding questions with a free account
2
System Design4 questions · ~44 min
Design a Travel Recommendation PipelineHard

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

Feature StoreRetrievalRecommendation SystemsExpedia Group
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingExpedia Group
More System Design questions with a free account

Sign up to see every question

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

Get my prep plan
3
Machine Learning4 questions · ~44 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffExpedia Group
More Machine Learning questions with a free account
4
Model Evaluation4 questions · ~44 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
More Model Evaluation questions with a free account
5
Generative AI & LLMs4 questions · ~44 min
Investigate Poor LLM Answer QualityMedium

Diagnose why a customer-facing LLM assistant is underperforming, using eval-first debugging across retrieval, prompting, safety, latency, and cost.

HallucinationPrompt EngineeringLLM EvaluationExpedia Group
More Generative AI & LLMs questions with a free account
6
Behavioral & Leadership4 questions · ~44 min
More Behavioral & Leadership questions with a free account
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
The finish line: interview-readyComplete all 29 questions to finish this plan.