Senior UI Software Engineer, Cocoa
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Dec 9, 2025. Apple scores A on the Alion truth index.
Why write a single app when you could help shape a million? The AppKit team is responsible for delivering the user experience on the Mac, and builds the components and APIs used by all macOS applications. We have an impact across the entire breadth of the macOS system, directly impacting the experience of every single user. Are you passionate about providing users and developers with a first-class experience? Join us, and help make the Mac better for everyone!
Description
The AppKit team is responsible for the user interface frameworks that form the heart of macOS applications. Engineers on our team are responsible for and contribute 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.
We provide a wide variety of building blocks including: - Windows & layout of their content - Drawing & graphics support - Enabling new input devices and other hardware - Responding to user events - User controls like buttons, sliders, and tables - Document management infrastructure.
Minimum Qualifications
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
Preferred Qualifications
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