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Sr. Engineer, iOS Mobile DevelopmentFreeWheel • United States
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Sr. Engineer, iOS Mobile Development

FreeWheel
  • US
    United States
  • US
    United States
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Über

Sr. Software Engineer
Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology 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. Join us. You'll do the best work of your career right here at Comcast. As a Sr. Software Engineer on the iOS Player team, you will develop client-side libraries that are used by millions of people to stream live, on-demand, and recorded content on iOS, iPadOS, and tvOS devices. About the Role The player SDK is written in Swift and powers the IP video playback experience on the Xfinity Stream app, Sky Sports, and other products. It provides a video player that integrates with our HLS video streaming, content protection (DRM), advertising, emergency alert, and real-time analytics services. The SDK strives to provide a high-quality, consistent playback experience across all our integrations. Who Will You Work With? Engineers on this team collaborate with industry experts from many subject areas: software architects, platform engineers, data scientists, and other video streaming technologists. Daily, you will be working on a small scrum team that consists of product owners, software engineers, automation engineers, and quality assurance engineers. You will work closely with other technical teams across Comcast's IP Video Engineering (VIPER) organization and with external partners. What Are Some Interesting Problems You'll Be Working On? The team integrates into a high number of environments with a complex set of requirements. The complexity we face is closer to an enterprise system than a typical video player app. Designing and executing on more flexible APIs and implementations to expand our integration footprint is a constant focus. You will also work to improve the reliability and feature set of our IP video platform for customers and give our multi-billion-dollar advertising business a competitive edge through precise, performant ad insertion and measurement. Where Can You Make an Impact? Your code will be responsible for all IP video playback streaming at Comcast. It will run on customers' devices millions of times a week and will be the technology behind the primary Comcast product they use. You can help improve our video playback experience by developing the most stable, highest-quality video player in the industry. You will be working alongside engineers who have built and shipped player infrastructure at scale, building a video platform that will power Comcast for years to come. What You'll Do
Build clean APIs for video playback on supported Apple devices Work extensively with Apple's AVFoundation and related media frameworks Build reusable, well-documented software components in Swift Design and implement end-to-end components related to video playback Analyze, optimize, and improve the codebase for performance and reliability Provide technical guidance and mentorship to other engineers on the team Participate in architectural decisions and advocate for API design best practices Collaborate with integrating teams to understand their needs and ensure successful adoption of the player SDK's APIs Participate in code reviews and help maintain high engineering standards Support production reliability through incident response, debugging, and proactive monitoring What You'll Need Required: 7+ years of software development experience Proficiency in Swift development on Apple platforms Solid understanding of concurrency, threading, and asynchronous programming patterns Proficiency using Git for version control, branch management and collaboration in a rapidly changing code environment. Experience designing clean, concise, and maintainable APIs consumed by other engineering teams Strong understanding of HTTP protocol and proficiency with HTTP Proxy tools (e.g. Charles, Proxyman) Understanding of computer science fundamentals (data structures, algorithms, complexity analysis) Strong communication skills with the ability to clearly articulate complex technical issues Preferred: Familiarity with Apple's media platform API's including AVFoundation & AVKit Experience with HLS streaming video or other adaptive bitrate protocols Experience utilizing software design patterns, including protocol-oriented approaches and dependency injection Proficiency implementing code using reactive paradigms (Combine) and concurrency (Swift Async/Await) Proficiency using Xcode's testing tools (XCTest, SwiftTest) and experience working in Test Driven Development environment Experience using Swift Package Manager to deliver code libraries/frameworks Working knowledge of CI/CD pipelines (GitHub Actions) and automated testing strategies (unit, integration, UI) Working knowledge of Objective-C / Swift interop when working with legacy code and 3rd party libraries. Familiarity writing apps using Apple's first party frameworks UIKit and SwiftUI Experience working with apps developed using hybrid & cross-platform SDK's (e.g. Kotlin Multiplatform, Flutter) Experience with Xcode's profile and instrument tools to identify and address performance issues Willingness to mentor junior engineers including pair-programming and providing thoughtful, constructive feedback during code review. Bachelor's degree in computer science or equivalent experience Disclaimer This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications. Comcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.
  • United States

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  • English
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