OS Systems Performance Engineer — Optimize Apple Platforms

Apple, Inc.; San Diego (CA); On-site; USD 142,000 - 263,000; Full time

Benefits offered by this job

Medical and dental coverage

Retirement benefits

Employee stock purchase plan

Tuition assistance

Job summary

Apple Inc. in San Diego, California is seeking a Software Engineer to join the OS Performance team.

You will analyze and optimize performance across iOS, macOS, watchOS, and tvOS, tackling usability, API design, and cross-layer efficiency. You will collaborate with app developers and systems teams to build profiling tools, influence feature work, and apply data-driven decisions to improve system performance.

Qualifications

• Experience in at least one software layer (embedded, UI, server).
• Ability to apply data science rigor to software decisions.
• Self-motivated with ability to learn new technologies and prototypes.
• Strong focus on product quality and detail.
• Excellent communication, both written and spoken.
• Experience with Unix-like platforms (macOS/Linux).
• CS degree or equivalent experience.

Responsibilities

• Analyze app performance issues and collaborate with systems teams to resolve them.
• Build tools to characterize app performance on Apple platforms.
• Influence cross-functional teams to pursue performance-focused features.

Skills

Unix/Linux/macOS development

Data-driven decision making

Independent learning

Problem solving

Communication

Education

CS degree or equivalent experience

Tools

Apple SDK technologies

SwiftUI

Swift Concurrency

Job description

Apple Inc. in San Diego, California is seeking a Software Engineer to join the OS Performance team.

You will analyze and optimize performance across iOS, macOS, watchOS, and tvOS, tackling usability, API design, and cross-layer efficiency. You will collaborate with app developers and systems teams to build profiling tools, influence feature work, and apply data-driven decisions to improve system performance.