Senior Analytics Engineer - Sponsored Content & Products (all genders) Hamburg or Berlin, Germany

The Sponsored Content & Products team is a key growth driver. Its mission is to build highly scalable self-serve cost-per-click (CPC) bidding marketplaces that empower brands to efficiently boost their visibility in real time right at the digital point of sale. While operating within an existing ecosystem, the architectural transition from a single monolith into four specialized product teams provides a highly autonomous, greenfield-like environment where your decisions will directly shape our future state and enable us to multiply our Retail Media revenue. Own the Semantic Layer: Design, build, and maintain production-grade analytical data transformations and metrics definitions within Google BigQuery to enable robust performance and budget reporting for our bidding marketplaces Data Quality & Validation Governance: Establish rigorous, automated data validation frameworks and schema checks to shield public-facing reporting dashboards and analytical tables from upstream variance or structural drift Deconstruct Legacy Transformations: Lead the migration of complex analytical transformation rules and data aggregation queries directly out of historical legacy application repositories into modular, decoupled analytics environments Resolve Catalog & Domain Coupling: Partner with Data Engineers to engineer clean data modeling boundaries around shared catalog assets (such as products and brands) that connect the decentralized product stack with core platform endpoints. Technical Stewardship: Set analytics engineering standards, direct code-reuse conventions, and establish reusable data blueprints within the team #J-18808-Ljbffr About You - Collins GmbH & Co. KG