Amazon
E-commerce and cloud computing giant with AWS, the world's leading cloud platform.
5 Rounds
~28 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Machine Learning Engineer
•
System Design
•
hard
Design a real-time product recommendation system for the Amazon homepage that personalizes items based on a user's browsing history from the last 10 minutes.
#Recommender Systems
#Real-time Inference
#Streaming Data
#Collaborative Filtering
Machine Learning Engineer
•
System Design
•
hard
Design a machine learning system to detect fraudulent reviews on Amazon in real-time. How do you handle cold-start problems for newly created accounts?
#Fraud Detection
#Classification
#Graph Neural Networks
#Cold Start
Machine Learning Engineer
•
System Design
•
hard
Design the ML architecture for Amazon's autocomplete/typeahead search feature. How do you balance personalization with global popularity while maintaining sub-50ms latency?
#Search Ranking
#NLP
#Tries
#Personalization
Machine Learning Engineer
•
System Design
•
hard
Design a machine learning system to predict the estimated time of arrival (ETA) for Amazon Prime packages. What features would you use and how would you handle weather anomalies?
#Regression
#Geospatial Data
#Time Series
#Feature Engineering
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.