Senior ML Engineer, Personalisation & Recommendations (Hybrid)

Roku is seeking a Senior Machine Learning Engineer to build and enhance intelligent systems for the marketing team. The role focuses on data-driven decisioning, creative personalization, and campaign optimization across advertising channels.

You will apply statistics, experimentation, and ML techniques in production systems at scale. The position sits in a team delivering high-impact ML across marketing and advertising, working on both real-time and batch workloads with Spark, Python, Java, and

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