Polymarket is the world's largest prediction market platform, enabling individuals to express views on real-world events by trading on outcomes across politics, economics, sports, culture, and current affairs. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future. The company is experiencing rapid growth in volume ($21B traded in 2025) and adoption as an alternative news source, with an ambition to become a ubiquitous beacon of truth in global media. Polymarket is seeking a Design Engineer who possesses a passion for both front-end development and product design, and who is equally excited about tuned animations and clean user flows. In this role, you will help deliver highly polished, intuitive, and engaging interfaces across all products for millions of users. You will partner closely with design and engineering teams to craft interactive consumer experiences that make prediction markets more accessible, transparent, and genuinely enjoyable. This position requires taste, technical depth, and a commitment to shipping high-quality products. Your responsibilities will include building and prototyping new UI components, animations, and interactions while pushing for best practices in front-end development and performance. You will own and evolve the design system to ensure consistency, accessibility, and performance across all product surfaces. This is an end-to-end role, taking ownership across the full product lifecycle from ideation through implementation and iteration. You will bridge design and engineering by partnering tightly to define and implement experiences that match or exceed the original vision. Additionally, you will stay ahead of emerging web technologies, interaction patterns, and design trends, bringing the best findings back to Polymarket.