Summary: Lead the development of modern web applications, shape innovative user interfaces, and take technical ownership for frontend solutions for German Corporate and B2B clients. Highlights: 1. Lead frontend projects, architecture, quality, and scalability 2. Mentor frontend developers and foster best practices 3. Develop modern websites with focus on usability and performance Do you want to **lead the development of modern web applications**, shape innovative user interfaces, and take technical ownership for frontend solutions? Then you’re the perfect fit for our team – working with German Corporate clients and German B2B World Market Leaders! **What we offer.** * The chance to become part of a large, international agency group: Approx. 350 great employees in Germany, a modern, customer\-centric business model and a true New Work environment. As part of MSQ with a further 1500 colleagues, we offer an international perspective with offices and sister agencies in the UK, USA and Asia * Flexible working environment: Hybrid or in our beautiful office in Barcelona * Agile organization: Self\-organized teams, extensive onboarding, personal buddy and lots of support from experienced colleagues * Work \& life balance: job bike leasing, Smart'n'fit weeks, fitness and self\-care offers via EGYM Wellpass * And of course: modern hardware, well\-equipped tool landscape, company pension scheme, further training budget, in\-house training, company events, drinks flat rate and good coffee **What you do.*** Technical leadership of frontend projects and responsibility for architecture, quality and scalability * Mentoring and code reviews for frontend developers, fostering best practices and knowledge sharing within the team * Development of modern websites and web applications with a strong focus on usability, performance and accessibility * Implementation of responsive interfaces based on Astro, React or Vue and the respective Metaframeworks * Design and further development of scalable component architectures and clean code standards * Close collaboration with UX, backend and project management to translate requirements into sustainable technical solutions * Integration of both headless and traditional (headful) CMS solutions (e.g. Storyblok, Contenful, FirstSpirit, Sitecore) * Active contribution to technical decisions, tooling and frontend strategy **What you bring along.** * 5\+ years of experience in frontend development, including 2\+ years experience in leading a team of developers * Very strong leadership skills to drive technology decisions and move a developer team forward * Ability to communicate complex technical topics clearly to both technical and non\-technical stakeholders * High sense of ownership, quality awareness and structured, solution\-oriented thinking * Strong skills in TypeScript and at least one of the frameworks Astro, React or Vue * Knowledge of modern build tools and CI/CD pipelines (Vite, Webpack, GitHub Actions, etc.) * Experience in frontend performance optimization and monitoring (Core Web Vitals, profiling) * Deep understanding of UX principles, responsive design and accessibility standards * Experience with frontend testing strategies and quality assurance * Very good written and spoken German or English skills