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
Machine Learning Engineer
•
Coding
•
medium
Given a list of app usage sessions represented by start and end timestamps, find the maximum number of apps open concurrently on a user's device.
#Arrays
#Sorting
#Intervals
Machine Learning Engineer
•
Coding
•
medium
Given a string of characters without spaces (e.g., a continuous voice transcription) and a dictionary of valid words, determine if the string can be segmented into a space-separated sequence of dictionary words.
#Dynamic Programming
#Strings
#NLP
Machine Learning Engineer
•
Coding
•
hard
Given two strings representing a recognized voice command and a target command, find the minimum number of operations (insert, delete, replace) required to convert one to the other.
#Dynamic Programming
#Strings
Machine Learning Engineer
•
Coding
•
medium
Implement a sparse matrix multiplication algorithm. Assume the matrices are too large to fit in memory if represented densely.
#Arrays
#Hash Tables
#Math
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.