Apple Data Engineer (Mid-Level) Interview Preparation Guide 2025
Data Engineer
Apple
Mid Level
8 rounds
Updated 11/22/2025
Apple's Data Engineer interview process for mid-level candidates (2-5 years experience) consists of an initial recruiter screening, two technical phone screens, and five onsite interview rounds conducted over 4-6 weeks. The interview rigorously evaluates technical proficiency in SQL and Python, practical data architecture and ETL pipeline design, system design capabilities for massive-scale data processing, and cultural alignment with Apple's values of privacy, innovation, and operational excellence. The process emphasizes both technical depth and the ability to own projects end-to-end while collaborating effectively across teams.
Interview Rounds
1
Recruiter Screening
30 min4 focus topicsbehavioral
2
Technical Phone Screen 1 - SQL and Python Fundamentals
60 min4 focus topicstechnical
3
Technical Phone Screen 2 - Data Modeling and ETL Design
60 min4 focus topicstechnical
4
Onsite Round 1 - Advanced SQL and Query Optimization
75 min4 focus topicstechnical
5
Onsite Round 2 - Data Modeling and ETL Pipeline Design
90 min4 focus topicstechnical
6
Onsite Round 3 - System Design for Large-Scale Data Processing
90 min4 focus topicssystem design
7
Onsite Round 4 - Python and Advanced Scripting
75 min4 focus topicstechnical
8
Onsite Round 5 - Behavioral and Culture Fit
60 min4 focus topicsbehavioral
Additional Information