> Markdown version of [/jobs/ext/140057-senior-software-engineer-ui-and-performance](https://www.wearedevelopers.com/jobs/ext/140057-senior-software-engineer-ui-and-performance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - UI and Performance - **Company:** Apple Inc. - **Location:** Cupertino, CA, United States - **Experience:** Expert - **Salary:** $181,100.0 - $318,400.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Android Studio, Apple IOS, Apple Mac Systems, Apple Xcode, Program Optimization, Profiling, Software Debugging, DirectX (Software), Design of User Interfaces, Human-Computer Interaction, Mobile Application Software, Regression Testing, Software Engineering, Systems Architecture, Uikit, Information Technology, Objective C++ - **Published:** May 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=5aa9f55672b9fba6 ## About the Role Do you have experience in iOS user interface implementation?, Do you have a Bachelor's degree?, Experience optimizing performance across various domains on multiple platforms (e.g. iOS, Android, or Desktop). Knowledge of power management and battery-life analysis techniques. Experience with Mac or iOS application development using Swift/Swift-UI or Objective-C. Experience with Metal or modern graphics APIs (DirectX, Vulkan). Minimum Qualifications BS in Computer Science or equivalent. 5+ years of experience developing performance-critical software, with a solid understanding of systems architecture, modern UI frameworks and their performance characteristics for mobile applications. UI development for iOS, macOS, watchOS or other Native Platforms. Experience using various profiling tools, (e.g. Xcode Instruments, Android Studio Profiler, VTune, or other proprietary tools) to identify and resolve performance bottlenecks affecting the UI, CPU, GPU, memory, and system power. Proficiency in performance analysis, debugging, and code optimization techniques to enhance application and user interface performance. Proven ability to collaborate effectively with a diverse team and thrive in fast-paced, deadline-driven environments. Effective communication of intricate performance analysis to diverse stakeholders, including actionable recommendations. ## Description As a hands-on and collaborative performance engineer on our team, you will be equally focused on identifying, diagnosing, and resolving complex performance issues across our applications, systems, and user-interface layers. A major part of your goals will also involve designing and implementing a comprehensive, automated power and performance regression testing strategy, targeting critical metrics like frame rate, latency, memory, power efficiency, and overall system responsiveness across all platforms. In this role, you will partner with other performance and client engineers, cross-functionally providing the critical data and insights that guide our engineering teams to craft efficient, responsive, and visually appealing experiences.","responsibilities":"Analyze, identify, and resolve intricate performance challenges within the Maps client, particularly focusing on UI-specific issues. Collaborate with UI engineering teams to explore product architecture, pinpoint bottlenecks, and propose practical performance improvements. Address performance regressions arising from cross-domain interactions between UI, Rendering, and System components (e.g., UIKit, CoreAnimation, Metal, etc.). Lead efforts to establish a reliable performance test automation infrastructure, thereby fostering confidence in the accuracy and reliability of test outcomes. Develop tools that provide clear, actionable insights across performance domains, fostering confidence within the team. Conduct and share research on the latest trends and best practices to achieve performance objectives across various dimensions, including memory, CPU, GPU, power consumption, and launch times. ## Related Videos - [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production) - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Discover .NET MAUI](https://www.wearedevelopers.com/videos/700-discover-net-maui) - [Profiling Symfony & PHP apps with Blackfire](https://www.wearedevelopers.com/videos/265-profiling-symfony-php-apps-with-blackfire) - [Unsolved mysteries between Usability and Accessibility in iOS](https://www.wearedevelopers.com/videos/737-unsolved-mysteries-between-usability-and-accessibility-in-ios) - [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 103 - Superb Owl Trafficking](https://www.wearedevelopers.com/magazine/388-dev-digest-103-superb-owl-trafficking)