Senior Frontend Engineer

We are now looking for a Fullstack Developer (Frontend / API) who combines modern web development with strong system thinking—building performant, user-centered applications across frontend and backend layers. Responsibilities Build modern, high-performance web interfaces for complex applications Translate UX/UI concepts into scalable and responsive frontend architectures Design interfaces that make complex AI and agent-driven systems intuitive and usable Use the state-of-the-art toolchain, e.g. Github Copilot, WebComponents, React, TypeScript, Storybook and Docker Realize ambitious and performant animations by using JS & CSS Develop and integrate APIs for data- and AI-driven applications Collaborate closely with Product, Design, AI Engineers, and Solution Architects Design modular components and reusable system patterns Bring structure to technical decisions and reduce system complexity Contribute to RFPs, pitches, and interactive prototypes Qualifications 5+ years of practical experience in commercial projects Very strong technical knowledge of TypeScript and frontend frameworks like React or similar Practical knowledge around WebComponents, based on StencilJS Library Experience in documenting component libraries using Storybook Experience using AI coding tools in a responsible manner Experience in technical communication with customers’ technical stakeholders, such as solution architects, technical leads, and engineering teams Ability to explain technical concepts, architectural decisions, and implementation details clearly to both technical and non-technical audiences Mentorship of the members of the Frontend Engineering Team Familiarity with agile project management processes such as Scrum or Kanban Very good German and English language levels (C1+) Work permit in Germany and at least one year of work onsite in Germany Benefits Flexible working hours and 100% overtime compensation Work where it works for you. At home or in the office, or any mix you like Working for strong brands and clients we believe in 30 days vacation per year Company Benefits Urban Sports Club Nice people in welcoming teams We care about your personality and professional skills. We don't care about your gender, age, nationality or appearance and are open to working with everyone. We are an equal opportunity employer. If you communicate with us from a protected class, we will accommodate your communication needs. You can find more information about how we process your data in our privacy statement. #J-18808-Ljbffr