United to grow leaders in a digital world. Lead Frontend Developer (all genders) Vollzeit Mainz, Deutschland McGuyver Adlerauge 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! 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 Mainz or Ludwigsburg 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 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 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