Base Salary
$361k - $510k/yr
Responsibilities
- Lead the technical vision and roadmap for ranking, personalization, and recommendation systems powering Roku’s entertainment assistant.
- Develop and deploy large-scale ML models using deep learning, transformers, LLMs, bandits, reinforcement learning, and causal inference.
- Build multi-objective optimization systems balancing engagement, retention, relevance, satisfaction, and monetization goals.
- Drive conversational discovery, contextual recommendations, and personalized content experiences across Roku surfaces.
- Design, run, and analyze online A/B experiments tied to product and business KPIs.
- Architect scalable ML systems, feature platforms, and data pipelines for experimentation and growth.
- Mentor engineers and provide technical leadership across cross-functional initiatives.
Requirements
- 8+ years of industry experience applying machine learning at scale in search, recommendations, advertising, personalization, or related domains, or a PhD with 5+ years of experience.
- Strong expertise in ranking systems, recommendation systems, retrieval, personalization, and multi-objective optimization.
- Experience building large-scale ML systems with deep learning, sequence models, LLMs, reinforcement learning, or bandit frameworks.
- Experience optimizing user engagement, retention, and monetization simultaneously, supported by strong product intuition.
- Proficiency in Python, Java, or Scala.
- Experience with distributed systems and ML infrastructure such as Spark, Airflow, streaming systems, feature stores, and cloud platforms.
- Strong technical leadership, system design, communication, and problem-solving skills.
- MS or PhD in Computer Science, Statistics, or a related field.
Benefits
- Estimated California annual base salary is $361,300-$510,000.
- Health insurance, equity awards, life insurance, disability benefits, parental leave, wellness benefits, and paid time off.
- Benefits may include medical, dental, vision, accident, commuter, retirement, mental health, and financial wellness support, depending on location and role.
- Hybrid work generally requires working in the office Monday through Thursday, with Fridays generally flexible for remote work; some roles or locations may require five days per week onsite.
Tech Stack
Categories
About Roku
With the #1 platform for streaming television in the U.S., Roku wants to revolutionize the way the world watches TV. Our Roku-branded TVs, Roku TV models, Smart Home system, streaming players, audio equipment, and the purpose-built operating system that powers it all can turn any home into a home theater, with seamless integration of hardware and software. Our commitment to our users extends to our brand studio, which creates innovative Roku Originals exclusively for The Roku Channel, a free channel that reaches approximately 80 million households in the U.S. and Mexico. Join us and you'll have the chance to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. Be a part of shaping the future of streaming at weareroku.com.