Senior Machine Learning Engineer

As a Senior Machine Learning Engineer at Adyen in Amsterdam, you will design, productionize, and maintain robust machine learning services powering global data products across optimize intelligence, identity verification, dispute intelligence, and anti-money laundering tech teams. You will develop and maintain production ML pipelines for data ingestion, training, validation, and deployment, handling domains such as online learning algorithms, clustering, supervised and semi-supervised inference, graph analysis, representation learning, and real-time anomaly detection. Your daily responsibilities include optimizing ML training and inference performance, resolving bottlenecks in memory, online latency, and training time, and collaborating closely with data scientists, software engineers, and MLOps platforms to scale research prototypes into production. You will work with a technology stack featuring Python, PySpark, Trino SQL, TensorFlow, PyTorch, XGBoost, LightGBM, and Pandas.