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Updated weekly · Last refresh Oct 17

Amazon Advertising AI Engineer Interview Questions

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

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1
CodingStart here. 7 questions · ~71 min
Two Sum with TargetEasy
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Recently asked

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsAmazon Advertising
Implement K-Nearest NeighborsHard
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Implement exact k-nearest-neighbors classification using a KD-tree, bounded max-heap, and deterministic vote tie-breaking.

MathArraysSortingAmazon Advertising
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2
System Design4 questions · ~40 min
Design a Marketplace Recommendations StackMedium
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Design a personalized recommendations system for a large e-commerce marketplace with strict latency, freshness, and monitoring needs.

InfrastructureFeature StoreModel ServingAmazon Advertising
Deploy a Personalized Ranking ModelMedium
Recently asked

Design a production deployment path for a personalized ranking model, with serving, feature consistency, drift handling, and experiment driven rollout.

InfrastructureFeature DriftModel ServingAmazon Advertising
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3
Machine Learning3 questions · ~30 min
Reducing Overfitting in ML ModelsMedium
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Explain how to diagnose and reduce overfitting using regularization, cross-validation, and model selection.

Cross-ValidationBias-Variance TradeoffRegularizationAmazon Advertising
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4
Generative AI & LLMs4 questions · ~40 min
Choose Embeddings and Vector SearchHard
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Tests your understanding of embedding models, retrieval metrics, and system-level tradeoffs for semantic search.

Vector SearchRAGLLM EvaluationAmazon Advertising
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5
Behavioral & Leadership7 questions · ~71 min
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6
More topics3 questions · ~30 min
Improve ML Model PerformanceMedium
Recently asked

Tests your approach to diagnosing model issues and improving metrics through data, features, and training changes.

Hyperparameter TuningCross-ValidationBias-Variance TradeoffAmazon Advertising
Ensure Data Integrity in PipelinesMedium
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Tests your understanding of consistency, validation, lineage, and failure handling in distributed ML/data systems.

InfrastructureIdempotencyQualityAmazon Advertising
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The finish line: interview-readyComplete all 28 questions to finish this plan.