{"id":3716663,"url":"https://alion.io/job/apple-sr-ios-engineer-apple-inc-","title":"Sr. iOS Engineer - Apple, Inc.","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"A","score":89,"open_postings":835,"ghost_share":0,"stale_share":0.217,"repost_share":0.006,"time_to_fill_p50_days":90,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AVFoundation","optional":false},{"name":"AVKit","optional":false},{"name":"Core Animation","optional":false},{"name":"Core Image","optional":true},{"name":"Metal","optional":true},{"name":"Objective-C","optional":true},{"name":"Swift","optional":true},{"name":"SwiftUI","optional":true}],"status":"live","first_seen_at":"2026-11-03T20:27:38Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-09T04:13:04Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Apple's media engineering team pushes the boundaries of what's possible on iPhone, Mac, and Apple TV, delivering world-class playback experiences to hundreds of millions of users. We are looking for a Senior iOS Engineer with deep expertise in Apple's media frameworks to help shape the next generation of streaming, playback, and media pipeline technologies. If you thrive in a technically demanding environment and care deeply about performance, correctness, and platform craftsmanship, this role is for you.\nDescription\nIn this role, you will architect and implement sophisticated media playback features using AVFoundation, CoreMedia, and AVKit across iOS and related Apple platforms. You will collaborate closely with framework, platform, and product teams to diagnose hard problems at the intersection of media pipelines, rendering, and system performance. Your work will directly influence the media experience on devices used by people around the world.\nMinimum Qualifications\n6+ years of professional iOS development with a strong focus on media frameworks including AVFoundation, CoreMedia, and AVKit\nDeep expertise in Swift, including protocol-oriented design, concurrency (async/await, structured concurrency), and performance-sensitive programming patterns\nProven experience building and shipping production applications that depend on real-time media playback, streaming pipelines, or AV capture\nDemonstrated ability to diagnose complex, multi-layered bugs involving media synchronization, codec behavior, or buffering anomalies\nStrong background in performance profiling using Instruments, including Time Profiler, Allocations, and Core Animation tooling\nBachelor's degree in Computer Science, Electrical Engineering, or a related technical discipline, or equivalent practical experience\nTrack record of writing maintainable, well-tested Swift code at scale in a professional engineering environment\nPreferred Qualifications\nHands-on experience with SwiftUI for building declarative media-integrated user interfaces across Apple platforms\nFamiliarity with macOS and tvOS platform differences as they relate to media playback, window management, and HID input handling\nProficiency in Objective-C for interfacing with legacy or lower-level C-based media APIs within mixed-language codebases\nExperience with HTTP Live Streaming (HLS) internals, including manifest parsing, variant stream selection, and segment delivery optimization\nExposure to Metal or Core Image for GPU-accelerated video post-processing or custom rendering pass 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