Lead UI/UX Designer

About the role

Castlery, which designs furniture for real life, is looking for a Lead UI/UX Designer to join its Technology team. The role shapes intuitive, high-performing experiences for customers and teams, improves the customer journey from discovery to post-purchase, builds better tools for internal teams, evolves the design system, mentors designers and uses AI tools to help the team work smarter.

Key responsibilities

• Lead the design of customer experiences across web and mobile, from early exploration through launch and iteration, covering discovery, product pages, cart, checkout and post-purchase.
• Design internal tools for the Operations, Customer Experience, Retail and Fulfilment teams.
• Turn broad or ambiguous problems into clear design opportunities and priorities that can ship.
• Use customer insight, product data and experimentation to inform decisions, working with Product, Engineering, Data, Marketing and Supply Chain.
• Evolving the design system so it is coherent, useful and widely adopted.
• Stay close to the details: flows, prototypes, typography, interaction, responsiveness, accessibility and the final build.
• Lead design critiques and reviews, and mentor designers with honest feedback and context.
• Explore how AI-assisted tools can improve research, prototyping and delivery.

Required profile

• 5-10 years of experience in product, UX or UI design, with a proven track record of delivering digital products across web and mobile.
• A strong portfolio showing design process, individual contribution and impact.
• Experience designing products that support business and user outcomes such as conversion, revenue, efficiency or error reduction.
• Experience mentoring designers, providing constructive feedback and leading design reviews.
• Strong commercial judgement balancing design quality, business priorities and delivery timelines.

Required skills

• Advanced proficiency in Figma and experience building or managing design systems.
• User research, experimentation and A/B testing.
• Working knowledge of accessibility standards and inclusive design practices.