Our offer for you As an UI Engineer, you will play a pivotal role in shaping and enhancing the user experience of our AI-driven legal solutions. Our B2B solutions is helping especially professionals, who work in law research and legal advising. You will work closely with our design, engineering, and product teams to develop and optimize intuitive, responsive, and scalable UI components, bringing innovation and efficiency to the forefront of our product offerings. YOUR TEAM You will join our Tech Team of around 10 people, including: 3 Frontend Engineers led by Aurélien as well as 1 UI Designer, 4 AI Engineers as well as Backend and DevOps Engineers. YOUR HIRING MANAGER Aurélien leads the Frontend Engineering Team. With extensive experience in software development and a hands-on, pragmatic leadership style, Aurélien values independent thinking and efficient solutions that drive real-world impact. OUR BENEFITS Working hours: Flexible working hours: Full-time (32- 40h/week). Vacation: 26 days December 24th & 31st off Remote: 100% remote work possible (given a German residence), other countries upon request Discounts: e.g. Urban Sports Club Membership Equipment: Laptop (Lenovo or Mac), second screen, keyboard etc. Your responsibilities Develop UI Components: Using React, TypeScript, hooks, and responsive design Performance Optimization: Implement code splitting, lazy loading, and caching techniques Design Implementation: Pixel-perfect execution from Figma designs with Tailwind and animations Backend Integration: Connect APIs using RESTful services, integrating WASM solutions for encrypted communication Testing & Debugging: Write tests using Vitest ensuring clean, functional code End-to-End Responsibility: From design handover to backend integration, ensuring APIs fetch the right data Tech Stack Optimization : Streamline tooling, optimizing the codebase for better scalability & clean code best practices Our Tech Stack Programming: React, Native JavaScript, TypeScript & Node.js Testing: e.g. VItest Ticket System: Atlassian JIRA Repository: Github CI/CD System: GitHub Actions Documentation: Confluence Communication: Slack Office Application: MS365 About you Working Permission: Germany Language: English (fluent) Full development lifecycle: Worked across the full development lifecycle, from design to backend connection with React, TypeScript, Hooks, and Context API, HTML5, CSS3, Web Components Backend integration experience: Node.js, API design, authentication mechanisms (JWT, OAuth & Keycloak) Delivery: Delivered results in evolving fast-paced startup environments Technical Debt: Optimized technical debt and implemented best coding practices in previous roles Optional: Familiarity with tools such as Webpack, Docker, Git, and CI/CD pipelines Sounds good? Then, we look forward to receiving your CV via our online application form. About us The AI startup Xayn develops Noxtua, Europe’s first sovereign Legal AI. Noxtua helps lawyers analyze and draft legal documents and research legal questions while being legally competent and compliant. Hosted in the EU, Noxtua meets high standards of confidentiality in handling client data, professional secrecy (e.g. Section 203 German Criminal Code, Section 43e German Federal Code for Lawyers), and European data protection. Noxtua is powered by specialized proprietary AI models. The models are trained with high-quality legal data provided by the Legal AI Alliance which the tech startup Xayn initiated with the international business law firm CMS. This makes Noxtua the secure, independent, and specialized European Legal AI. The Berlin-based AI company Xayn was born out of research at Oxford University and Imperial College London by Dr Leif-Nissen Lundbæk and Professor Michael Huth. Founded in 2017, Xayn’s academic vision remains, with a workforce comprised of approx. 30% PhDs. The startup has received investment funding of 19.5 million EURO from Global Brain Corporation, KDDI Open Innovation Fund, Earlybird, and Dominik Schiener.