Software Engineer UI Rendering

Apples Compositing Color and Display Software organization provides the graphics software foundation for all of Apples 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 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.n

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

Contribute to core UI Rendering code across different areas of the features across Apple platformsnMaintain and improve critical platform codenDebug and resolve UI Rendering issues across UI stacknWork with codebases across different Apple implement and test Core Animation UI rendering features and compositing technologies across all Apple platformsnPartner with HI designers and framework teams to enable new visual experiences and design language evolutionnCollaborate with Metal graphics framework and GPU and Display teams to leverage and influence platform capabilities for rendering innovationnMake critical technical decisions balancing visual quality implementation complexity and platform constraintsnDevelop tools and workflows that enable rapid iteration from design concept to production-ready rendering featuresnEnsure rendering quality correctness and visual fidelity across diverse content and platform configurationsnOptimize rendering performance and power efficiency across Apples diverse hardware ecosystem

Bachelors or Masters degree in Computer Science or related field or equivalent practical experiencen3 years experience in software developmentn1 years experience with real-time rendering and computer graphicsnAbility to write code and develop complex software in C/CnStrong debugging and triaging skills for complex multi-layered systems issuesnSolid understanding of computer science fundamentals: data structures algorithms and operating system conceptsnFoundational understanding of Operating Systems Computer Architecture and CPU/GPU programming including memory subsystemsnComfortable working in Unix/Linux environments and using command-line toolsnCuriosity and drive to tackle complex systems and new technologiesnGood problem solving skills and attention to detailnAdaptability and interest in working across different technical areasnExperience with graphics performance analysis and optimization techniquesnExcellent collaboration skills with cross-functional teams on complex large-scale projectsnAbility to leverage GenAI to speed up development and increase quality

Experience with Mac or iOS application development using Swift or Objective-CnHands-on experience with Metal or modern graphics APIs (Vulkan DirectX)nExperience with layer-based rendering systems or scene graph architecturesnKnowledge of color management HDR and wide color gamut workflowsnExperience with CPU/GPU synchronization and multi-threaded rendering architecturesnExperience with client/server or multi-process graphics architecturesnFamiliarity with GPU profiling tools and performance optimization for mobile platformsnExperience shipping consumer graphics productsnExperience with automated testing frameworks for graphics rendering