Senior Software Engineer

Welcome to Warner Bros. Discovery… the stuff dreams are made of. Behind WBD’s vast portfolio of iconic content and beloved brands are the storytellers, creators, and dreamers building the future.

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 personalized content recommendations, contextual ad targeting, and site search that serve millions of CNN users on web and mobile. In the next quarter we will launch summarization and classification features with chat, and early next year we will continue expanding the platform.

• Content Summaries:
  Support testing and adoption of various types of content summaries from multiple domains, leveraging embedding generation and classification.
• Two‑Tower Experimentation:
  Explore options for incorporating additional user context (geolocation, time of day, time of year) into our personalized recommendations model.
• 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 with features such as page‑level deduplication.

• Promote an inclusive and supportive engineering culture on the team.
• Solve business problems with simple and straightforward solutions.
• Strive for operational excellence—building highly available, low‑latency, efficient software with support from other engineers.
• Build subject matter expertise related to multiple production systems.
• Communicate effectively through progress updates, timely support requests, demos, and technical documentation.
• Author, test, review, and optimize production‑quality code, following best practices for IaC, version control, and continuous delivery.
• Be passionate about software engineering with a strong sense of responsibility for the code you and your team write, delivering high‑quality results that improve with each iteration.
• Embrace failure as a learning opportunity—use research and experimentation to choose the best solutions that meet business goals, moving autonomously from proof‑of‑concept to production release.

• Related professional or industry experience.
• Bachelor’s degree in computer science or a related technical field.
• Proficiency in Python and one or more of:
  Golang, Java, C++, or similar object‑oriented languages.

• Expertise in backend engineering with distributed systems and data‑intensive applications at web scale.
• Prior experience working on a machine learning team.

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Warner Bros. Discovery embraces the opportunity to build a workforce that reflects a wide array of perspectives, backgrounds, and experiences. We are an equal‑opportunity employer and 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, genetic information, marital or citizenship status, military status, protected veteran status, or any other category protected by law.

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