Senior Machine Learning Engineer

The Senior Machine Learning Engineer at Roku applies expertise to develop and enhance intelligent systems for marketing and advertising applications. The role involves building recommendation algorithms, ad targeting, and personalisation models using machine learning techniques such as reinforcement learning and neural networks. Responsibilities include feature engineering, model training and evaluation, and developing scalable inferencing services with tools like Spark and Ray. Candidates should possess strong coding skills in Python and Java, experience with distributed frameworks, and a background in applied machine learning. The position requires a university degree in a relevant field, with preference given to those with ad-tech or mar-tech experience. Collaboration with cross-disciplinary teams and adapting to evolving business needs are key for success in this role.