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Senior Machine Learning Engineer - AdTech

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

In inglese

Company

Roku

Location

Cambridge, United Kingdom

Status

Open

Posted

2026-06-04T09:45:20+00:00

Roku's Native Ads Modelling team is hiring a senior, hands-on ML engineer for ad relevance, bid and yield optimization, and real-time, low-latency ad serving. The work covers designing and training models, building production serving infrastructure, and moving models from research to production in Spark, Python and Java, including diagnosing drift and long-tail classification issues. The posting asks for senior ML engineering experience, ideally in ad tech, recommendation or auction systems, plus demonstrated fluency with agentic coding tools such as Claude Code, Cursor or MCP servers.