Senior Machine Learning Engineer

Roku is seeking a Senior Machine Learning Engineer in Manchester to develop intelligent systems for marketing and advertising, applying expertise in machine learning, statistical modelling, and real-time inferencing. The role involves designing and improving algorithms for customer personalisation, ad relevance, and campaign optimisation, within scalable infrastructure such as Spark and Ray. The candidate will build and manage a comprehensive machine learning platform covering feature engineering, model training, deployment, and monitoring. Proficiency in coding, working with large datasets, and distributed frameworks like TensorFlow, Spark-MLlib is essential. A background in applied machine learning with recommendations experience, and a relevant degree, will support success in this position.