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
Data Analyst
•
Technical
•
hard
Explain how you'd set up an A/B test to validate a new checkout flow.
#A/B Testing
#Statistics
Data Analyst
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Technical
•
medium
What is a novelty effect in experimentation? How do you account for it?
#Novelty Effect
#Bias
Data Analyst
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Technical
•
hard
How do you handle multiple metrics in an A/B test (metric tradeoffs)?
#Multiple Metrics
#Tradeoffs
Data Analyst
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Technical
•
hard
How would you measure the impact of a pricing change on revenue?
#Pricing
#A/B Test
Data Scientist
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Technical
•
hard
How do you design an A/B test for a new product feature?
#A/B Testing
#Statistics
Data Scientist
•
Technical
•
hard
We want to test a new pricing algorithm for Amazon third-party sellers. If we randomize at the seller level, how might network effects bias the A/B test results, and how would you design the experiment to mitigate this?
#A/B Testing
#Network Effects
#Switchback Testing
#Cluster Randomization
Data Scientist
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Technical
•
hard
How would you design an experiment to measure the impact of a new ranking algorithm?
#Experimentation
#Metrics
Data Scientist
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Technical
•
hard
What is a network effect in experimentation? How do you handle SUTVA violation?
#SUTVA
#Network Effects
Data Scientist
•
Technical
•
easy
What is an experiment holdout group?
#Holdout
#Control Group
Difficulty Radar
Based on recent AI-sourced data.
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The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.