Requirements

• Strong object oriented programming skills
• In-depth development experience at the application and user interface level with Cocoa, Cocoa Touch, Windows, Android, or Java
• Ability to work collaboratively to improve designs and code
• Strong knowledge of one or more of Swift, Objective C, C, C++, or Java

Nice to Haves

• Experience building user interface frameworks
• Adept at working across teams to resolve potentially conflicting requirements
• Experience writing and advocating for API
• Experience working with low-level graphics API like Core Image, Core Graphics, or Metal

What You'll Be Doing

• Contributing to AppKit, UIKit, and SwiftUI
• Building and enabling features used across the OS such as Dark Mode, Mac Catalyst, Touch Bar, Auto Layout, and Screen Time
• Developing building blocks including windows and layout content, drawing and graphics support
• Enabling new input devices and other hardware
• Responding to user events
• Creating user controls like buttons, sliders, and tables
• Managing document infrastructure