UX/UI Product Designer

2-Month Contract | Full-Time (40 Hours) | Remote (LATAM) | Immediate Start | Potential Extension 
Salary: USD $4,500–$5,500 per month (depending on experience) 

Build the Future of E-commerce 

We're looking for an exceptional Lead Product Designer to redefine the digital experience across our portfolio of brands. This is not a production design role. We're looking for someone who understands that outstanding design drives commercial performance through exceptional UX, intuitive interfaces and conversion-focused thinking. 

About Koin 

Founded in 2012, Koin Limited is a fast-growing multi-brand e-commerce business headquartered in the UK, operating across the UK, USA, Canada, Australia and expanding internationally. Our brands include The Wessex Mint, The Koin Club, Pastel Sixteen, Bubba Boo, Jonny's Sister and Tilly Pig. We are investing heavily in technology, AI and customer experience as we work towards our ambition of becoming a £100 million business. 

The Opportunity 

You will take established UX foundations and transform them into world-class, high-converting digital experiences. You will own the design process, collaborate directly with our Shopify developer and influence key product decisions throughout the engagement. 

Key Responsibilities 

• Critique existing UX and wireframes from a usability, accessibility and conversion perspective. 

• Design premium high-fidelity interfaces in Figma for desktop and mobile. 

• Create elegant customer journeys that reduce friction and maximise conversion. 

• Build scalable design systems using components, variables and Auto Layout. 

• Design sophisticated e-commerce experiences and interactions. 

• Specify animations and micro-interactions where they enhance usability. 

• Work closely with our in-house Shopify developer through implementation. 

• Produce developer-ready files, documentation and component libraries. 

• Challenge assumptions and continually improve the customer experience. 

• Ensure every design decision has a clear commercial purpose. 

What Success Looks Like 

• A world-class, scalable design system. 

• Developer-ready UI across all required customer journeys. 

• Outstanding mobile-first experiences. 

• Complete documentation and interaction specifications. 

• A premium digital experience that elevates our brands. 

• A seamless handover enabling rapid implementation. 

• Essential Experience 
• Extensive experience designing high-performing e-commerce experiences. 
• Exceptional UX and UI design skills. 
• Expert Figma knowledge including components, variables and design systems. 
• Deep understanding of CRO and customer behaviour. 
• Experience collaborating closely with developers. 
• Outstanding portfolio demonstrating premium digital products. 
• Excellent communication skills and confidence to challenge ideas constructively. 
• Highly Desirable 
• Shopify experience. 
• Live commerce or video-first experience. 
• Behavioural design knowledge. 
• Motion design and micro-interactions. 
• Experience using AI within the design process. 
• Accessibility best practice.