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Updated weekly · Last refresh Oct 17

Amazon DSP Applied Scientist Interview Questions

The questions to prepare for a Amazon DSP Applied Scientist interview. Questions from real interview reports rank first. Updated daily.

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1
Machine LearningStart here. 11 questions · ~95 min
Overfitting and Underfitting in Deep LearningMedium
Recently asked

Explain what causes overfitting and underfitting in deep learning, how to spot each one, and how to reduce them in practice.

underfittingDeep LearningoverfittingAmazon DSP
Handling Missing Values in MLEasy
Recently asked

Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.

Cross-ValidationFeature EngineeringRegularizationAmazon DSP
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2
Model Evaluation6 questions · ~52 min
Evaluate Classification Model PerformanceEasy
Recently asked

Explain a practical framework for evaluating an AI model using core classification metrics and error analysis.

Confusion MatrixPrecisionAUC-ROCAmazon DSP
Improve Underperforming Model AccuracyMedium
Recently asked

Approach for diagnosing an underperforming model and improving accuracy through error analysis, feature work, tuning, and bias variance tradeoffs.

Cross-ValidationAccuracyThreshold TuningAmazon DSP
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3
System Design8 questions · ~69 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 SystemsAmazon DSP
Design a Real-Time ML Feature StoreHard
Recently asked

Design a shared feature store for training and low-latency inference across many ML systems with strict freshness and consistency needs.

Feature StoreFeature DriftModel ServingAmazon DSP
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4
Coding8 questions · ~69 min
Binary Search on Sorted ArraysEasy
Recently asked

Explain how binary search works on a sorted array and why its time complexity is O(log n).

time complexityArraysSearchingAmazon DSP
Number of Islands in GridMedium
Recently asked

Evaluates your problem-solving approach for grid traversal and connected components.

AlgorithmsAmazon DSP
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5
Behavioral & Leadership5 questions · ~43 min
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The finish line: interview-readyComplete all 38 questions to finish this plan.