Senior Machine Learning Engineer – Manchester

Roku is seeking a senior machine learning engineer to develop and optimise intelligent systems for marketing and advertising use cases. The role involves applying expertise in machine learning, statistics, and experimentation methodologies to improve customer decisioning, campaign targeting, and system performance. Employees will work on real-time and batch inferencing, build ML infrastructure, and optimise large-scale systems using tools like Spark, Ray, and Python. Successful candidates should have experience with recommendation systems, distributed frameworks, and low-latency model evaluation. The position requires strong coding skills and a relevant academic background with additional knowledge of ad-tech or mar-tech being advantageous.