Software Developer II (AI / ML Products)

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Welcome to Warner Bros. Discovery… the stuff dreams are made of. We are the now and the next. The power behind the people building the future. We are born from the spirit of innovation. We are the home of the global digital revolution. We are CNN.

With deep domain expertise, advanced technical capabilities, and a proven track record of successful collaborations, the AI Enablement C Machine Learning team at CNN is accelerating our digital transformation through strategic applications of machine learning and AI technologies. Our current products include popular, related and personalized content recommendations, contextual ad targeting, and site search—serving millions of CNN users via CNN web and mobile apps. Within the next quarter, we will be launching summarization and classification features with chat to follow early next year.

We have a variety of specializations and collaborate closely, enhancing our platform and adding to the suite of machine learning features running on it.

• Machine learning engineers (MLEs) build models and features
• Data engineers fulfill the availability and latency requirements provided by MLEs
• Some software engineers partner with MLEs to operationalize and expose models and features
• Other software engineers focus on our ML platform and tooling, including A / B testing
• Content Summaries : Support testing and adoption of various types of content summaries from multiple domains, which can be leveraged in consumer experiences along with embedding generation and classification.
• Two-Tower Experimentation : Explore options for incorporating additional user context in our personalized recommendations model such as geolocation, time of day and time of year
• All Access Search : Partner with teams across CNN to design and build a roadmap for CNN streaming content search.
• Bandit Foundation : Enhance data access and begin experimenting with bandits for online ranking of recommendations
• Optimize Site Performance : Dynamically deliver personalized content alongside cached assets, improving load times and enhancing user experience with features like page-level deduplication

About the Job

As a Software Engineer II, you will have many opportunities to collaborate with other engineers across the team.

Key Expectations

The Essentials

The Nice to Haves

Additional Information

On June 9, 2025, Warner Bros. Discovery announced plans to separate into two publicly traded companies, Warner Bros. and Discovery Global, with an expected completion in mid‑2026. For more details, including leadership appointments and information on individual brands, please visit our newsroom.

Although you will be hired by Warner Bros. Discovery, upon the planned separation in 2026, your employment likely will transition to Discovery Global. During this period of transformation, you’ll have an exciting opportunity to lay the foundation at one of the world’s premier entertainment brands.

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 www.wbd.com / guiding-principles / 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.

Championing Inclusion at WBD

Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds and experiences. Being an equal opportunity employer means that we take seriously our responsibility to consider qualified candidates on the basis of merit, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity or expression, age, mental or physical disability, and genetic information, marital status, citizenship status, military status, protected veteran status or any other category protected by law.

If you’re a qualified candidate with a disability and you require adjustments or accommodations during the job application and / or recruitment process, please visit our accessibility page for instructions to submit your request.

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