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Comcast · 5 hours ago

iOS Development Engineer (Eng3)

Philadelphia, PA

Full-time

Onsite

Senior Level

5+ years exp

Comcast is a Fortune 30 global media and technology company seeking an iOS Development Engineer 3 to join their Connected Living Client Application Engineering team. This role involves owning the iOS platform foundations and enhancing the native Xfinity iOS app, which serves millions of users while focusing on analytics, authentication, and app performance.

InternetTelecommunicationsTVVideoWeb Hosting

No H1B

Responsibilities

IOS analytics and distributed tracing: defining event schemas, building client-side validation, instrumenting critical flows, and improving sampling and data quality

Authentication flows using OAuth2 or OIDC with secure storage in Keychain

App startup and initialization improvements to increase reliability and runtime performance

APNs push infrastructure: token lifecycle, background delivery, and notification service/content extensions

Xcode upgrades, Swift Package Manager and CocoaPods dependency management, and third-party SDK governance

IOS OS support strategy: support-drop proposals, deprecation plans, and migration guidance across teams

Internal Swift frameworks, reusable Swift Package Manager (SPM) packages, and tools that elevate the developer experience for feature teams

Leading RFCs, proofs of concept, and design/code reviews to standardize architectures and accelerate migrations (e.g., UISceneDelegate, XCUITest, Swift concurrency)

Qualification

IOS DevelopmentSwift ProgrammingOAuth2/OIDCGraphQLAPNsSwift ConcurrencyCommunicationTechnical WritingCollaboration

Required

5+ years of experience in technology development or services, including deep experience developing iOS apps in Swift

Experience with GraphQL (Apollo or similar), Combine, and Swift Concurrency (async/await, actors, cancellation), plus familiarity with modern Swift frameworks such as SwiftUI and Codable

Strong understanding of iOS authentication, networking, concurrency, and performance profiling using OAuth2 or OIDC, Keychain, URLSession, Swift Concurrency, and Instruments

Practical knowledge of APNs, push token lifecycle, notification service/content extensions, background modes (remote notifications, background fetch, BGTaskScheduler), and reliability patterns

Clear technical writing and cross-team collaboration skills, with comfort leading initiatives

Excellent verbal, written, and presentation communication skills to explain complex technical decisions to both technical and non-technical stakeholders

Passion for platform engineering and continuous improvement, with curiosity for new iOS technologies and self-motivation to grow

Understanding of business fundamentals with the ability to translate product vision into technical strategy, balance cost and risk, and measure impact

Experience building at scale on large teams, including modular architecture, internal frameworks, automated testing, observability, and code review

Experience with testing practices including unit tests and XCUITests, and comfort with TDD where it adds value

Interest in growing a strong engineering culture that values diversity, inclusion, mentorship, and shared standards

Bachelor's Degree

5-7 Years of relevant work experience

Preferred

Familiarity with iOS platform capabilities such as localization, Core Location/GPS, and Bluetooth/CoreBluetooth

Native app DevOps experience with CocoaPods, Swift Package Manager (SPM), Fastlane, and GitHub Actions

Experience with Datadog RUM and related observability tooling

Experience with design systems and accessibility (WCAG, Dynamic Type, VoiceOver)

Benefits

Best-in-class Benefits

Company

Comcast

Glassdoor3.8

Comcast is a media and technology company that provides broadband internet, mobile services, and entertainment platforms. It is a sub-organization of SkyShowtime.

Founded in 1963

Philadelphia, Pennsylvania, USA

10001+ employees