Senior Data Engineer (m/f/d) – Customer Identity Resolution

Our mission

We are on a mission to save our planet - one second hand product at a time.

As Senior Data Engineer, you will own one of our most business-critical data assets: the system that links customer identities across our businesses and powers better decisions in marketing, CRM, reporting, and analytics. You will join our Business Intelligence & Data Engineering team and work closely with Data Engineers and Business Analysts to build reliable, scalable, and trustworthy customer identity data.

Your mission

• Own the end-to-end pipeline that creates the unified customer_uuid across Books & Media and Fashion


• Maintain and evolve our customer identity master data with a strong focus on accuracy, reliability, and production quality


• Improve our probabilistic identity resolution model and make matching decisions measurable, transparent, and explainable


• Build scalable and cos...