Top 38
Prep plan
Updated weekly · Last refresh Aug 30

Amazon Development Center U.S. Applied Scientist Interview Questions

The questions to prepare for a Amazon Development Center U.S. Applied Scientist interview. Questions from real interview reports rank first. Updated weekly.

38questions
~6htotal time
Track your progressSign up free to work through all 38 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 10 questions · ~95 min
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingAmazon Development Center U.S.
Chamfer Distance Between Point SetsMedium
Practice

Compute the symmetric Chamfer distance between two 2D point sets using nearest-neighbor searches.

MathArraysMatrixAmazon Development Center U.S.
More Coding questions with a free account
2
Machine Learning6 questions · ~57 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 TradeoffAmazon Development Center U.S.
Bias-Variance Tradeoff in PracticeMedium

Explain the bias-variance tradeoff and how it guides model choice, regularization, and generalization performance.

Cross-ValidationBias-Variance TradeoffRegularizationAmazon Development Center U.S.
More Machine Learning 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
System Design6 questions · ~57 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 SystemsAmazon Development Center U.S.
More System Design questions with a free account
4
Model Evaluation4 questions · ~38 min
Explain Core Classification MetricsEasy

Explain precision, recall, F1-score, and ROC-AUC for a classification model.

F1 ScorePrecisionAUC-ROCAmazon Development Center U.S.
Evaluate Models in ProductionHard

How to evaluate a production model using calibration, thresholds, and confusion matrix tradeoffs.

CalibrationAccuracyThreshold TuningAmazon Development Center U.S.
More Model Evaluation questions with a free account
5
NLP3 questions · ~29 min
Perplexity for Language ModelsMedium

Tests understanding of language model evaluation and how perplexity relates to likelihood.

Language ModelsText ClassificationTokenizationAmazon Development Center U.S.
More NLP questions with a free account
6
Behavioral & Leadership9 questions · ~86 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 38 questions to finish this plan.