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 Scientist
•
Coding
•
hard
Write a SQL query to calculate 30-day user retention.
#Retention
#Analytics
Data Scientist
•
Coding
•
hard
How would you write a funnel analysis query in SQL?
#Funnel
#Analytics
Data Scientist
•
Coding
•
medium
Write a query to identify duplicate records and deduplicate them.
#Deduplication
#Data Quality
Data Scientist
•
Coding
•
medium
Write a SQL query to find the top 3 best-selling products in each category for the last 30 days, considering only orders that were successfully delivered.
#Window Functions
#Filtering
#Joins
Data Scientist
•
Coding
•
hard
Write a SQL query to calculate the month-over-month retention rate of Amazon Prime members.
#Self Joins
#Date Functions
#Cohort Analysis
Data Scientist
•
Technical
•
easy
Explain the difference between INNER JOIN, LEFT JOIN, and CROSS JOIN.
#Joins
#SQL
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.