Senior Machine Learning Engineer

Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the Team Understanding the depth of query, content, and user intent through machine learning is crucial to enhancing user satisfaction in their search experience. That's why we're actively seeking a Senior Machine Learning Engineer for Search & Recommendations to drive innovation in search and discovery. In this role, you'll apply your technical expertise, business insight, and analytical skills to develop cutting-edge AI-powered products. Strong communication and presentation skills are essential, as you'll collaborate across teams. The position demands high technical proficiency, sharp problem-solving capabilities, strong motivation, and exceptional attention to detail. About the Role As an ML Engineer at Roku, you'll design, build, and deploy machine learning solutions that directly impact our members and creators, with a focus on enhancing search and recommendation systems. You'll work on large-scale systems, collaborate closely with cross-functional teams, and apply advanced ML techniques — including supervised, unsupervised, reinforcement, and generative models — to real-world challenges. Typical areas of focus include search algorithms, content recommendation, personalization, predictive modeling, experiment design, and optimization of streaming performance.

Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers.