Freelance Senior Front End Developer

About WPP Production We are WPP Production - the unified global production company that brings together all of WPP's content producers, studios and craft experts into one connected organisation. We combine world-class human craft with next generation technology to originate, design, and deliver multi-channel content systems at scale. Built for borderless collaboration and powered by deep craft expertise, we are the production engine designed for today's always on, AI driven marketing world.

About WPP WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. For more information, visit WPP.com.

The Role At WPP Production, Senior Front-End Developers deliver rich, immersive, and performant digital interactions that bring our clients' storytelling to life. You will help create sophisticated consumer experiences by building and maintaining a mature, large-scale design system and a proprietary ecosystem of shared libraries and global elements (headers, footers, media galleries, analytics wrappers) used by multiple independent development teams using advanced HTML, CSS, and Javascript. Embedded in a hybrid US a