Senior Machine Learning Engineer

Roku seeks a senior machine learning engineer to develop and optimise intelligent systems that support marketing and advertising initiatives. The role involves applying machine learning techniques such as recommendation algorithms, reinforcement learning, and neural networks to enhance campaign targeting, creative personalisation, and customer decisioning. Candidates must possess expertise in data analysis, model training, real-time inferencing, and building ML infrastructure, using technologies like Spark, Ray, Python, and Java. The position requires experience working on large-scale, production-level recommender systems with low latency constraints. Applicants should hold a degree in computer science, statistics, or a related field, with additional experience in ad-tech or mar-tech considered advantageous.