JobMesh

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

momox · Berlin, DE

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-critic...

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 cost-efficient data pipelines across BigQuery, GCS, and Cloud Run Jobs - Introduce diagnostics, monitoring, and structured validation for every relevant model change - Identify and resolve edge cases in customer matching logic before they become production issues - Work closely with business and technical stakeh...