As a Senior Product Manager – Partner Platform at group.one, you will be integral to the Digital Foundation division, shaping partner experiences that enable thousands of businesses worldwide. Your role encompasses setting strategic direction and driving execution to help partners launch customer websites efficiently. You will design pricing, packaging, and distribution models across indirect channels including B2B ecosystems, app stores, and marketplaces. Rationalising and optimising the product portfolio by unifying, integrating, migrating, and sunsetting legacy platforms is key to your responsibilities. Advocating PLG (product-led growth) and ELG (ecosystem-led growth) strategies to boost product adoption, monetization, and retention is essential. Collaboration with Sales, Marketing, and Customer Success teams will support global rollouts with measurable impact. You will lead the full product lifecycle from discovery through to sunsetting, balancing long-term vision with tactical delivery, and empower innovation by enabling partners, customers, and vendors to interact with the ecosystem at scale. To succeed, proven hands-on experience as a Product Manager, strong understanding of ELG and PLG, B2B SaaS marketplace experience, passion for UX/UI excellence, familiarity with APIs and scalable architectures, and an analytical mindset are necessary. Bonus qualifications include experience in distributed teams and knowledge of Webhosting, Domain Management, Cloud Services, or Website creation. The role offers high flexibility with possibilities for office-based work in Amsterdam, Dortmund, Copenhagen, or fully remote with regular travel.