The Partner Manager – Marketplace will own day-to-day supplier relationships (job boards, media agencies, recruiting-service providers), manage integrations and new-product launches end-to-end, maintain supplier catalogue and pricing accuracy, monitor margins, identify commercial opportunities, and build scalable operational processes including AI-supported automation. Role requires fluent German and English, working knowledge of APIs/data integration, and 5+ years of business experience with supplier/vendor/partner management and project delivery.