Senior/Principal Frontend (Fullstack) Engineer

We’re looking for an experienced engineer (8+ years) with strong ownership, communication skills, and the ability to independently design and build frontend architecture. The role focuses on creating a reusable frontend platform and developing business applications in a microfrontends setup. Project details: • 6-month contract (possible extension) • Remote + occasional onsite in Berlin (max once/month, usually less) • Full-time (100% FTE) Key requirements: • Expert-level React and TypeScript (including advanced TS concepts like generics, conditional and mapped types) • Strong frontend and web architecture knowledge (REST APIs, WebSockets) • Experience with styled-components v6 and theming (incl. Ant Design) • Ability to mentor, lead, and communicate clearly in English Nice to have: • Microfrontends and server-driven UI experience • Next.js knowledge • Familiarity with Atomic Design Responsibilities: • Redesign a frontend monolith into a microfrontends architecture • Build and roll out a new design system Bonus: • Experience with UI libraries/design systems • Monorepo tools (Nx, Turborepo, pnpm/yarn workspaces)**