Senior Machine Learning Engineer – Manchester

Roku is a leading TV streaming platform actively developing advanced machine learning and recommendation systems to personalise customer experiences and optimise marketing strategies. The role involves building and improving production-ready machine learning models, leveraging data analysis and feature engineering, and maintaining ML infrastructure using tools like Spark, Ray, and TensorFlow. Candidates should possess strong programming skills in Python and Java, and experience with large-scale data processing frameworks. The position requires a solid understanding of statistical methods, reinforcement learning, and real-time scoring with low latency. Collaborative skills are essential to work across engineering, data science, and product teams, responding to evolving business needs. This role contributes to Roku's innovation in advertising technology and enhances its machine learning capabilities across its platforms.