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Senior Machine Learning Scientist, Creative Generation & Personalization

Roku
San Jose, USAfull_timePosted 2 Aug 2026

About the role

<div class="content-intro"><h2 style="font-family: GothamBold,Helvetica,Arial,sans-serif; color: #662d91;">Teamwork makes the stream work.</h2> <p>&nbsp;</p> <h3 style="font-family: GothamBold,Helvetica,Arial,sans-serif;"><strong>Roku is changing how the world watches TV</strong></h3> <p>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.</p> <p>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.</p> <p>&nbsp;</p></div><h3><span data-contrast="auto">About the team</span><span data-ccp-props="{&quot;134245418&quot;:true,&quot;134245529&quot;:true}">&nbsp;</span></h3> <p><span data-contrast="auto">The Advertising Performance group focuses on performance for all participants in the Advertising ecosystem - Advertisers,&nbsp;Publishers&nbsp;and Roku. The systems and solutions span across different disciplines and technologies to perform&nbsp;realtime&nbsp;multi-objective&nbsp;optimization with distributed systems at large scale and low latencies. We use Machine Learning, Reinforcement Learning, AI, Control and Optimization&nbsp;Systems&nbsp;and Auction Dynamics to solve a large set of complex problems. At the core of this is our Machine Learning, Experimentation&nbsp;and Inference Platform that powers the entire landscape&nbsp;which we continuously evolve over time.</span></p> <p>&nbsp;</p> <h3><span data-contrast="auto">About the role</span><span data-ccp-props="{&quot;134245418&quot;:true,&quot;134245529&quot;:true}">&nbsp;</span></h3> <p><span data-contrast="auto">In this role you will&nbsp;work on applying SOTA research&nbsp;and&nbsp;conduct your own research&nbsp;to&nbsp;develop novel methodologies to&nbsp;solve a&nbsp;large variety&nbsp;of challenging&nbsp;problems&nbsp;in&nbsp;Advertising&nbsp;related to conversion modeling&nbsp;aligned with attribution methodologies/models,&nbsp;calibration,&nbsp;dynamic creative generation and optimization,&nbsp;forecasting and ti

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Roku

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