Apple
Consumer electronics, software, and services leader known for secrecy and quality.
5 Rounds
~30 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
We have two tables: `apple_music_subscriptions` and `icloud_subscriptions`. Write a SQL query to find the percentage of users who canceled their Apple Music subscription in the last 30 days but still have an active iCloud subscription.
#JOINs
#Filtering
#Aggregations
Data Scientist
•
Coding
•
hard
Given a table `user_logins` with columns `user_id` and `login_date`, write a SQL query to calculate the 7-day rolling average of Daily Active Users (DAU) for Apple TV+ over the last month.
#Window Functions
#Time Series
#Aggregations
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.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.