Annwn builds an AI-native platform for sustainability professionals, combining specialist AI agents, structured knowledge-work tools, and an organisational digital twin to help consultants and enterprises make faster, better-informed decisions.As Product Designer you would own the experience end to end, shaping UX for agent-driven workflows, human review flows and data-rich interfaces, defining interaction patterns, prototyping in Figma or code, building the design system, and speaking regularly with users.Annwn is a for-profit B2B SaaS startup whose AI-native platform supports decarbonization by helping enterprise sustainability teams automate reporting, analyze fragmented environmental data, and identify strategic climate actions.London, UK · Hybrid (London) · £60,000 - £80,000