This job is with Rubio Impact Ventures, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Help shape the future of sustainable heatingAt DeWarmte, we're making sustainable heating accessible for everyone. Our mission is simple: help households get off gas with smart, affordable heat pumps. To make that happen, we're not only building great hardware, we're also creating digital products that make the customer experience effortless from purchase to installation and beyond.We're growing fast, which means you'll have the opportunity to make a real impact. We're looking for a Senior Product Designer who takes ownership, loves solving complex problems, and wants to help shape the future of our digital products. Your impactAs our Senior Product Designer, you'll work across a growing portfolio of digital products, including our customer portal, customer app, internal tools, and more. Together, these products support the entire lifecycle of a DeWarmte heat pump: from purchase and installation to daily use and system management.You'll define intuitive, industry-leading user experiences based on customer insights, while helping build a consistent visual language across all our digital products. You'll work closely with Product, Engineering, and other stakeholders to create products that customers, installers, and partners use every day.As a scale-up, you'll also have plenty of room to improve the way we work, introduce new ideas, and help raise the bar for design across the company. What you'll doOwn the UX and UI design across multiple digital productsTranslate customer and business needs into intuitive user experiencesCreate user journeys, user flows, wireframes, prototypes, and polished interfacesDesign high-quality user interfaces in FigmaCollaborate closely with Product Owners and Developers throughout the product lifecycleValidate concepts through user research and usability testing where appropriateMaintain and continuously improve our design systemUse modern AI tools to accelerate research, ideation, prototyping, content creation, and design workflowsHelp establish design best practices across the companyWhat we're looking forYou'll thrive in this role if you: Have 5+ years of professional product design experience (including 5+ years of UI and at least 3 years of UX design)Have a strong portfolio showcasing end-to-end product design workHave experience building and maintaining design systemsAre an expert in FigmaAlready use AI tools as part of your daily design workflowAre comfortable conducting independent user researchAre comfortable working with multidisciplinary teams, with an emphasis on translating technical requirements to UX/UI designCan translate technical requirements into intuitive user experiencesWork proactively and independently while collaborating effectively with multidisciplinary teamsAre fluent in EnglishAre available full-timeCan work from our offices in The Hague or Utrecht at least 3 days per weekNice to haveDutch language skillsGerman language skillsExperience designing consumer mobile applicationsExperience working in a fast-growing startup or scale-upWhat we offerA monthly gross salary between €4.000 and €5.000, based on full-time.27 vacation days plus 8% holiday allowanceParticipation in our SAR (Stock Appreciation Rights) programmePlenty of ownership and responsibility from day oneThe opportunity to shape products that directly contribute to the energy transitionA talented, ambitious, and highly collaborative teamA healthy daily lunch at the officeLaptop and everything you need to do your best workRegular team events, company drinks, our annual beach day, and winter sports tripLots of room to grow, develop yourself, and make a lasting impact