Senior iOS Engineer

Greater London
Full time
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Warner Bros. Discovery
Advertising, media & publishing
10,001+ employees
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Every great story has a new beginning, and yours starts here.

Welcome to Warner Bros. Discovery… the stuff dreams are made of.

Who We Are…

When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the storytellers bringing our characters to life, the creators bringing them to your living rooms and the dreamers creating what’s next…

From brilliant creatives, to technology trailblazers, across the globe, WBD offers career defining opportunities, thoughtfully curated benefits, and the tools to explore and grow into your best selves. Here you are supported, here you are celebrated, here you can thrive.

Warner Bros. has been entertaining audiences for more than 90 years through the world’s most-loved characters and franchises. Warner Bros. employs people all over the world in a wide variety of disciplines. We're always on the lookout for energetic, creative people to join our team.

Your New Role

Warner Brothers Discovery’s digital arm, Global Customer Experience organisation is a high-performing global team working at the dynamic intersection of Technology and Entertainment. In supporting our content creators in the digital space, we continuously leverage our technological capabilities to create immersive viewing experiences for iconic brands including Max.

We are excited to be recruiting a Senior Software Engineer to join our Apple team.

Your Role Accountabilities

As a Senior Software Development Engineer, you will work within a team of engineers to deliver new customer-facing features across our iOS, tvOS and visionOS applications. Ensuring these are delivered on time and meet the high-quality standards we have within our teams. You will work closely with other engineers and your manager to plan future sprints for new features and bug fixes.

To be successful in this position, you should have a strong understanding of iOS and tvOS development as well as extensive test driven development experience. You have demonstrated the ability to use common industry tools for software development including but not limited to IDEs, build and continuous integration, source control management, code review tools, and you are able to build software in a professional team environment delivered to production using these tools. You can provide technical documentation describing your contributions and contribute enhancements to your team’s best practices. This is a great opportunity to drive key initiatives, build a high-performance streaming application, working with geographically dispersed Engineers to deliver critical projects and new app architecture. There will be opportunities to mentor and coach junior engineers.

Qualifications and Experience

  • 5+ years of programming experience using Swift or other similar language. Experience building consumer apps is a must.

  • Knowledge of or previous experience with VOD is a plus, including experience working with video playback on iOS/tvOS apps.

  • Knowledge of UIKit is a must, SwiftUI is a plus.

  • A bachelor’s degree in Computer Science, Engineering or equivalent work experience.

  • At least 1 year of experience in a tech leadership role is preferred.

  • Experience building dynamic customer-facing apps that use RESTful APIs to operate. Hands-on expertise in disparate technologies, typically ranging from front-end user interfaces through to back-end systems and all points in between.

  • Experience with large-scale application architecture, design, scalability, testability, implementation, and performance tuning.

  • Experience in modern DevOps/SRE practices such as CI/CD, performance monitoring & incident management.

  • Computer Science fundamentals in object-oriented design, algorithm design, problem solving, and complexity analysis.

  • Excellent communication skills, working with multiple stakeholders (internal and external partners) with different goals, objectives, and aspirations. Effective communication and strong negotiation skills will be key.

  • Provide guidance on design, coding, and operational best practices and contribute to technical documentation. Recommend technical developments and software to enhance/improve our app or the developer experience.

  • Mentor junior engineers, overseeing their designs, code quality, and integration into a team.

  • Rotate follow the sun support with other team members to monitor and debug critical production issues.

  • Desire to be involved in cross-platform projects on a large scale in 10+ countries.

  • Experience with key design and architectural patterns such as MVVM, MVP and SOLID principles.

  • Experience with Test Driven Development and associated frameworks.

How We Get Things Done…

This last bit is probably the most important! Here at WBD, our guiding principles are the core values by which we operate and are central to how we get things done. You can find them at along with some insights from the team on what they mean and how they show up in their day to day. We hope they resonate with you and look forward to discussing them during your interview.

The Legal Bits…

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects the diversity of our society and the world around us. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, regardless of sex, gender identity, ethnicity, age, sexual orientation, religion or belief, marital status, pregnancy, parenthood, disability or any other category protected by law.If you’re a qualified candidate and you require adjustments or accommodations to search for a job opening or apply for a position, please contact us at