Sr. iOS Software Engineer

Company Description

Linked In is the world’s largest professional network, built to create economic opportunity for every member of the global workforce. Our products help people make powerful connections, discover exciting opportunities, build necessary skills, and gain valuable insights every day. We’re also committed to providing transformational opportunities for our own employees by investing in their growth. We aspire to create a culture that’s built on trust, care, inclusion, and fun – where everyone can succeed.

Join us to transform the way the world works.

At Linked In, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be performed both from home and from a Linked In office on select days, as determined by the business needs of the team.

You would join the Media Infra org as a Senior Software Engineer on the Media SDK team. Media Infra owns the platform that powers all media uploads and playback  Media SDK team builds the client-side SDKs and libraries that enable video, image, document, Live, and VC experiences across iOS, Android, and Web. Sitting at the intersection of infrastructure and product, the team’s work directly shapes member-facing experiences at scale.

In this role, you’ll help build and scale the Media SDK that powers media consumption across the app. You’ll work on core playback and rendering infrastructure—such as player architecture, performance, and reliability—while partnering closely with product, infra, and other client teams. The role offers meaningful ownership, high impact, and the opportunity to influence how media works end to end across platforms.

• Basic Qualifications
• BA/BS in Computer Science or related technical field or equivalent practical experience.
• 1+ years of industry experience.
• Programming experience in languages such as Objective C, Swift, C/C++, Python, etc.

• 2+ years of relevant work experience.
• MS or PhD in Computer Science or related technical discipline.

• Strong expertise in iOS development using Swift (and Objective‑C), with a solid grasp of app and view lifecycle.
• Deep understanding of iOS frameworks (UIKit/Swift
  
  UI, networking, concurrency, memory management).
• Proven ability to design clean, maintainable APIs and reusable components in large iOS codebases.
• Strong debugging and performance‑tuning skills (Instruments, memory leaks, startup, UI performance).
• Experience building scalable client‑side architectures and collaborating across product and infra teams.
• Solid knowledge of networking fundamentals, async workflows, and reliability in mobile environments.
• Strong code quality mindset: testing, reviews, refactoring, and long‑term maintainability.
• Bonus: experience with media playback and performance (AVPlayer, Video Toolbox, rendering pipelines, streaming formats), and familiarity with video, image, or document media domains.

We strongly believe in the well‑being of our employees and their families. That is why we offer generous health and wellness programs and time away for employees of all levels.

Linked In is committed to fair and equitable compensation practices.

The pay range for this role is $125,000 to $206,000. Actual compensation packages are based on several factors that are unique to each candidate, including but not limited to skill set, depth of experience, certifications, and specific work location. This may be different in other locations due to differences in the cost of labor.

The total compensation package for this position may also include annual performance bonus, stock, benefits and/or other applicable incentive compensation plans. For more information, visit Linked In Benefits.

We seek candidates with a wide range of perspectives and backgrounds and we are proud to be an equal opportunity employer. Linked In considers qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status,…