Software Engineer - UI Rendering

Apple's Compositing, Color, and Display Software organization provides the graphics software foundation for all of Apple's innovative products, including iPhone, iPad, Apple TV, Mac and Apple Watch. Our goal is to enable developers and HI designers to create exceptional visual experiences by efficiently utilizing hardware acceleration and color technologies through compositing and display. The technologies we develop are central to enabling enhanced experiences across our platforms, including acceleration for Liquid Glass UI material and presenting HDR content with the highest quality.

Are you passionate about building the rendering technologies that make interfaces feel alive? Do you get excited about solving complex graphics challenges to deliver beautiful, responsive experiences at scale? If creating world-class visual experiences through innovative rendering architecture energizes you, this is your opportunity.

Description

We are looking for a talented Software Engineer with rendering expertise to join our UI Rendering team.

In this role, you will contribute directly to the core systems that manage how graphics are displayed across all Apple devices. You will join the UI Rendering team and gain exposure to diverse technical challenges across rendering configurations. You will work on core rendering features, platform and device-specific code. You will implement features, debug complex issues, and build hands-on experience across different areas of UI Rendering. You will collaborate with GPU driver teams, display teams and Metal framework engineers to understand how the pieces fit together. Our team values versatility, deep technical expertise and a proactive approach to problem solving. We work in complex Unix-based codebases, where autonomy, strong debugging skills and the willingness to dive deep into intricate system level code are essential. You will develop the ability to work across different technical areas, a valuable skill for your career growth.

As part of the team, you will contribute to the Core Animation graphics compositing and rendering engine that powers visual experiences across iPhone, iPad, Mac, Apple TV, and Apple Watch. You will implement and build the graphics technologies that bring our user interfaces to life, from foundational compositing systems to cutting-edge visual effects.

Working at the heart of our graphics stack, you will bridge the gap between creative vision and technical reality. You will partner directly with HI designers to prototype and productize new visual concepts, collaborate with framework engineers to expose powerful rendering capabilities, and work alongside our Metal and GPU teams to unlock the full potential of Apple Silicon. From next-generation material systems to sophisticated animation techniques, you will help shape the visual foundation that defines how millions experience Apple products every day.

Responsibilities:

Contribute to core UI Rendering code across different areas of the team.

Implement features across Apple platforms

Maintain and improve critical platform code

Debug and resolve UI Rendering issues across UI stack

Work with codebases across different Apple Platforms.

Design, implement, and test Core Animation UI rendering features and compositing technologies across all Apple platforms

Partner with HI designers and framework teams to enable new visual experiences and design language evolution

Collaborate with Metal graphics framework and GPU and Display teams to leverage and influence platform capabilities for rendering innovation