Senior Machine Learning Engineer

Roku is seeking a Senior Machine Learning Engineer to develop and improve intelligent systems supporting marketing and advertising activities. The role involves applying machine learning techniques such as recommendations, reinforcement learning, and neural networks to optimise customer experiences and campaign effectiveness. Candidates should have expertise in data analysis, model training, near real-time inferencing, and building scalable ML infrastructure using frameworks like Spark and Ray. Advanced coding skills and experience with large data systems are essential, with a background in computer science or related fields preferred. The role requires excellent collaboration skills to work effectively across engineering, data science, and product teams. Success in this position involves innovative problem solving, technical proficiency, and capacity to adapt to changing business needs.