<div class="show-more-less-html__markup show-more-less-html__markup--clamp-after-5 relative overflow-hidden"> <strong>About The Role<br/><br/></strong>Our client is a well-funded consumer fintech with a strong design culture. They are hiring a Senior Frontend Engineer to own the web product and partner closely with design on craft. Full-time, on-site in Berlin.<br/><br/>What you will do<br/><br/><ul><li>Build the consumer-facing web product in React / Next.js</li><li>Own design system implementation and component library quality</li><li>Optimize Core Web Vitals: LCP, INP, CLS, bundle size</li><li>Partner with design on motion, accessibility, and visual polish</li><li>Mentor other frontend engineers through code review<br/><br/></li></ul>What we are looking for<br/><br/><ul><li>5+ years in production React / Next.js</li><li>Strong TypeScript and CSS (Tailwind, CSS-in-JS, or vanilla)</li><li>Track record of shipping polished, performant interfaces</li><li>Comfortable owning accessibility and i18n</li><li>Bonus: contributions to design systems or open-source UI work<br/><br/></li></ul><em>This role is presented by a recruiting partner. Company name shared after an initial conversation.</em> </div>