Senior UI Software Engineer - Video Applications
Apple
Software Engineering, Product, IT, Design
Seattle, WA, USA
USD 171,600-302,200 / year + Equity
Posted on Mar 27, 2026
Imagine crafting the canvas where the world’s most compelling stories are brought to life! As a Senior UI Engineer on the Video Apps team, you will help architect the next generation of the Magnetic Timeline—the intuitive, dynamic interface at the heart of Final Cut Pro. You will be joining a deeply collaborative, quality-obsessed culture fresh off monumental triumphs like reimagining Final Cut Pro for the iPad and becoming a cornerstone of Apple’s new Creator Studio. By building the ultimate tools for visual storytelling, our team fuels Apple’s mission to enrich lives by putting transformative technology into the hands of artists. Our incredibly enthusiastic community of creators stakes their livelihoods on the reliability and elegance of our software. This creates a deeply gratifying experience for engineers who want to see their work cherished and relied upon every single day. If you are ready to build the future of professional video production for a global user base that can’t wait to see what’s next, we want you to join our team.
In this role, you will partner with a tight-knit team of world-class engineers to harness the latest hardware and software technologies from both Apple and the broader video industry. Your focus will be on designing elegant, user-centric solutions that uphold Apple’s legendary standards for user experience. By championing innovative methodologies and engineering best practices, you will play a pivotal role in consistently delivering software of the highest possible quality.
- Architect and Develop: Design, build, and maintain complex, high-performance UI components for the Magnetic Timeline across both macOS and iPadOS using SwiftUI, AppKit/UIKit, and CoreAnimation technologies.
- Optimize for Fluidity: Obsess over UI performance, ensuring lightning-fast responsiveness during complex interactions (like skimming, dragging, and trimming) even within massive, multi-layered timelines.
- Collaborate with Design and QA: Partner closely with our Design and QA teams to prototype, refine, and deliver visually stunning, highly intuitive workflows that feel like magic to our users.
- Bridge the Stack: Work seamlessly with lower-level media, playback, and rendering engineering teams to tightly integrate front-end UI interactions with Final Cut Pro’s powerful underlying video and audio engines.
- Drive Technical Vision: Lead architectural discussions, proactively identify areas for codebase modernization, and write robust, modular, and highly testable code.
- Champion Reliability and Accessibility: Ensure the timeline remains bulletproof for the professionals who stake their livelihoods on it, while also championing Accessibility features so our tools can empower every creator.
- Elevate the Team: Serve as a technical leader and mentor within a quality-obsessed team, guiding code reviews, sharing best practices, and fostering a culture of engineering excellence.
- 5+ years of software engineering experience architecting and building complex, highly interactive user interfaces for macOS or iOS
- Bachelor’s degree in Computer Science or equivalent
- Strong proficiency with Swift and/or Objective-C
- Deep understanding of Apple's Cocoa frameworks (AppKit and/or UIKit)
- Proficiency with object-oriented programming, protocol-oriented programming, and software design patterns
- Writing robust unit and UI tests to ensure bulletproof reliability
- Building highly custom user interfaces with CoreAnimation
- Adopting SwiftUI and modern declarative UI paradigms
- Profiling and debugging UI responsiveness and memory usage using Instruments
- Implementing multithreading and asynchronous programming to maintain fluid interfaces
- Leveraging generative AI tools and workflows to accelerate development and elevate code quality
- Integrating Apple’s Accessibility APIs to ensure complex UIs are inclusive and navigable for all users
- Using video editing applications (like Final Cut Pro) or equivalent professional creative software
- Collaborating closely with User Experience (UX) and Human Interface (HI) design teams, driven by a passion to craft magical interactions that surprise and delight the user
Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.