CDI Posted June 03, 2026
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Job Description

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...

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