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
AI Engineer
•
Technical
•
hard
Explain the difference between GPT, BERT, and T5 architectures.
#GPT
#BERT
#T5
AI Engineer
•
Technical
•
medium
What is prompt engineering? What are few-shot, zero-shot, and chain-of-thought prompting?
#Prompt Engineering
#Few-Shot
ML Engineer
•
System Design
•
hard
Design a training and serving architecture for a large language model at scale.
#Infrastructure
#Scale
ML Engineer
•
Technical
•
hard
Explain the RLHF (Reinforcement Learning from Human Feedback) training approach.
#RLHF
#Fine-Tuning
ML Engineer
•
Technical
•
hard
How would you evaluate an LLM for a production use case?
#Evaluation
#Benchmarking
ML Engineer
•
Technical
•
hard
What is LoRA (Low-Rank Adaptation)? How does it reduce fine-tuning costs?
#LoRA
#Fine-Tuning
ML Engineer
•
Technical
•
hard
What is RAG (Retrieval-Augmented Generation)? Describe its architecture.
#RAG
#Vector Search
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.