Senior Machine Learning Scientist

Adyen is seeking a Senior Machine Learning Scientist in Amsterdam to design, build, and deploy production-ready machine learning solutions that power global payment and identity verification platforms. You will tackle complex optimization, fraud prevention, and real-time decisioning challenges by developing algorithms for batch prediction and low-latency real-time inference. Responsibilities include building orchestrated data pipelines, conducting A/B tests, defining key performance metrics, and collaborating with MLOps. The tech stack involves PySpark, SQL, TensorFlow, PyTorch, XGBoost, LightGBM, Pandas, MLflow, and Airflow, supported by big data frameworks and distributed systems.