Principal Data Scientist fulltime/parttime (hybrid)

Do you want to actively contribute to a company’s growth and help turn big plans into reality? Then join our team! You can expect exciting challenges, an inspiring environment, and a work culture that combines flexibility and collaboration – supported by our 60/40 hybrid model and modern offices in Ratingen as a vibrant hub for new ideas. As part of our team, you will take on the following responsibilities: You take end-to-end ownership of the SmartRisk Engine, the group-wide core rating and probability-of-default model that drives onboarding and offboarding decisions in Credit Management. You design, train, calibrate, validate, deploy, and continuously improve machine learning models to ensure high business impact and reliability. You monitor model performance, conduct drift analyses across markets and customer segments, and drive improvements to both models and risk strategies. You build and enhance scalable end-to-end ML pipelines, including testing, versioning, documentation, and production deployment. You establish and drive best-practice MLOps standards, including CI/CD, monitoring, alerting, model registries, data quality controls, and incident management. You act as a trusted advisor to management and business stakeholders while providing technical leadership, mentoring, and guidance to data scientists.