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Join Roku's Recommendation team as a Machine Learning Engineer to develop personalized content recommendations using advanced techniques, analyze A/B tests, and collaborate across teams.

The Senior Software Engineer will design and optimize video encoding workflows using FFmpeg for both VOD and live formats, while collaborating with cross-functional teams to enhance video services.

Design, build, and maintain autonomous AI-first CI/CD and QA automation pipelines for iOS and Android. Own pipeline architecture, smart test routing, flaky-test detection, device reservation and orchestration, self-healing recovery, and automated release mechanics (signing, uploads). Use AI to detect failures, predict issues, and optimize pipeline performance while maximizing device utilization and minimizing human intervention.

Lead design and implementation of low-latency, large-scale ad auction systems; build Java microservices for container platforms; own auction logic (ranking, pricing, pacing), integrate demand sources, run experiments and simulations, partner with product and data science, and drive marketplace yield, fairness, and revenue optimizations.

Lead design and implementation of low-latency, large-scale ad auction and marketplace systems. Build microservices, integrate demand sources, run experiments and simulations, optimize yield and pricing, and drive cross-functional roadmap and architecture decisions.

Lead Roku's viewer product management function in Canada, overseeing growth strategy and product roadmap while collaborating with cross-functional teams.

Lead the copywriting discipline, managing a team to drive strategic, creative work while collaborating with various stakeholders and ensuring brand consistency.

Roku seeks a UX Product Designer to improve Premium Subscription services, focusing on user experience for browsing, searching and integrating live TV streaming services while collaborating with product and engineering teams.

Manage and mentor a team of copywriters, develop creative concepts, ensure consistency in brand messaging, and collaborate with various teams.

The Senior Software Engineer in Test will design intelligent test systems, improve QA processes, utilize AI for failure analysis, and mentor teams.