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iOS Development Engineer

Comcast Advertising

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Location:
United States , Philadelphia

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Make your mark at Comcast -- a Fortune 30 global media and technology company. Become part of our award-winning, international engineering team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace. You’ll do the best work of your career right here.

Job Responsibility:

  • 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)

Requirements:

  • 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 Relevant Work Experience

Nice to have:

  • 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)
What we offer:
  • Paid Time off
  • Physical Wellbeing benefits
  • Financial Wellbeing benefits
  • Emotional Wellbeing benefits
  • Life Events + Family Support benefits

Additional Information:

Job Posted:
January 01, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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