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Senior Machine Learning Engineer, Search

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

Company

Roku

Location

San Jose, California

Status

Open

Posted

2026-05-15T22:56:34+00:00

Roku's Entertainment Assistant team is hiring a senior machine learning tech lead for ranking and personalization. The person sets the roadmap for discovery systems, builds models with deep learning, transformers, LLMs, bandits, reinforcement learning and causal inference, runs A/B experiments, and mentors engineers. The posting asks for eight or more years of industry ML experience, or a PhD plus five, in search, recommendations, ads or personalization, plus Python, Java or Scala and ML infrastructure like Spark, Airflow and feature stores. It spans search, recommendations, conversational discovery and monetization.