Senior UI Compositing Engineer

Senior UI Compositing Engineer - Jobs - Careers at Apple

• Contribute to core compositing infrastructure across multiple technical areas of the team
• Work on performance optimization including frame scheduling and display synchronization across iOS, macOS, tvOS, and watchOS
• Design and implement compositing features that balance visual quality, battery life, and hardware capabilities
• Build system features that ensure security and privacy for users
• Work on input handling and event processing systems
• Maintain and evolve critical system code, balancing modernization with stability and compatibility
• Drive technical decisions on complex cross-platform compositing challenges
• Work with new hardware capabilities including advanced display technologies
• Identify and resolve compositing issues across the codebase through systematic debugging and root cause analysis
• Collaborate with GPU driver teams, Display teams, and Metal framework engineers
• Navigate seamlessly between different Apple platform codebases and technical domains
• Champion clean, maintainable solutions and contribute to knowledge transfer initiatives
• Mentor junior engineers and provide technical guidance across compositing areas

• 5+ years of experience in software development with strong systems programming background
• Deep familiarity with Unix environments, system programming, and low-level debugging
• Proficiency in C/C++ with understanding of memory management, threading, and performance optimization
• Strong debugging skills with ability to trace complex issues through multiple layers of abstraction using tools like lldb, dtrace, and Instruments
• Experience with performance analysis and optimizations
• Understanding of compositing, frame timing, vsync, and display technologies
• Proven track record of leading technical initiatives and driving projects from concept to completion
• Demonstrated ability to work across multiple technical domains and context-switch effectively
• Self-driven approach to testing, validation, and ensuring code quality
• Demonstrated ability to mentor others and provide technical leadership
• Bachelor's or Master's degree or equivalent in Computer Science or related field

• Comprehensive medical and dental coverage
• Retirement benefits
• Range of discounted products and free services
• Reimbursement for certain educational expenses
• Discretionary bonuses or commission payments
• Relocation assistance

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, Apple Watch and Vision Pro.