Fullstack Engineer

WongDoody WongDoody creates human experiences at 24 studios across 4 continents. We believe the future can be molded. And by shaping human experiences through creativity and tech, we work to build a future we believe in. 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. Our local 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 What you can expect Frontend & Experience Development Build modern, high‑performance web interfaces for complex applications Translate UX/UI concepts into scalable frontend architectures Design interfaces that make complex AI and agent‑driven systems intuitive and usable Ensure consistent, responsive, and high‑quality user experiences across devices Contribute to RFPs, pitches, and interactive prototypes API & Backend Integration Develop and integrate APIs for data‑ and AI‑driven applications Integrate agentic workflows and orchestration layers into usable application logic Work with structured data models, authentication, and interface logic System Thinking & Collaboration Act as the interface layer between users and agentic systems—making multi‑agent workflows accessible and controllable 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 What we'd love to see Several years of experience building modern web applications (frontend + API) Strong proficiency in TypeScript/JavaScript and frameworks like React, Next.js, or Vue Experience designing and integrating REST or GraphQL APIs Experience with AI/GenAI integrations (e.g. OpenAI, Gemini APIs) Solid understanding of state management, performance, accessibility, and responsive design Experience with backend technologies (e.g. Node.js, Express, FastAPI) Familiarity with design systems and component libraries (e.g. Storybook, Tailwind, shadcn/ui) Understanding of cloud‑based architectures and deployment processes Fluency in German and English (C1) Work permit for Germany and at least one year of work onsite in Germany Nice to have Experience with real‑time technologies (WebSockets, streaming) Experience with CI/CD, Docker, or platforms like Cloud Run, Vercel, or Kubernetes Experience with headless CMS, DAM, or MarTech systems Passion for building clean, scalable, and understandable frontend architectures 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. #J-18808-Ljbffr