Senior Machine Learning Engineer – Manchester

A senior machine learning engineer at Roku is responsible for developing and enhancing intelligent systems that improve marketing and advertising effectiveness. They apply machine learning, experimental methodologies, and statistical analysis to address high-impact problems such as creative personalisation and ad targeting, operating within infrastructure like Spark and Ray. The role involves building scalable ML platforms, managing the end-to-end model lifecycle, and ensuring low-latency real-time inference. Candidates should possess experience with distributed ML frameworks, large-scale data analysis, and proficiency in Python, Java, and Spark. A background in computer science, statistics, or related fields, as well as experience in ad-tech or mar-tech, will support success in this role.