Senior Software Engineer

Our missionFounded in Koblenz in 2018, Sdui has grown to become one of Europe's fastest-expanding EdTech companies. Today, five companies work together as Sdui Group. With over 230 international employees across five locations, Sdui Group actively shapes the future of education. Digital solutions serve schools, preschools, entire federal states, and regions by enabling seamless communication, efficient administration, and personalized learning—all while remaining inclusive, intuitive, and fully compliant with data protection regulations.We empower humans to transform education for a better tomorrow.Your missionAs a Senior Software Engineer with a focus on web and hybrid mobile frontends, you will accelerate the further development of our platform. You develop scalable, high-performing, and accessible UIs, translate design systems into living components, and support our teams with your expertise in their daily work. Your contribution ensures that our users enjoy an intuitive, inclusive, and delightful experience - while keeping our platform flexible and future-proof.What you’ll doFrontend architecture & developmentYou take responsibility for the architecture and further development of our Vue 3 applications.You build and maintain a scalable design system library.Your develop modular, testable UI components.You build and maintain a scalable design system library.Quality & performanceYou optimize rendering, bundle size, and runtime performance.You implement automated tests with Cypress, Playwright, and Vitest.You document components in Storybook.Collaboration & mentoringYou collaborate closely with designers to create inclusive, responsive UIs.You support branding, theming, and white-label features.You coach and mentor engineers in the team.What you’ll bringYou hold a degree in Computer Science or a comparable field.You bring at least 5 years of experience in modern frontend development, ideally with Vue 3.You are proficient in TypeScript, CSS architecture, theming, and state management (e.g. VueX).You have experience with test automation (Cypress, Playwright, Vitest) as well as REST/GraphQL integration.You are confident working with tools like Vite, Storybook, ESLint & Prettier.You speak German at least at C1 level and are fluent in English.You are passionate about clean, maintainable code and performant applications.You have a strong sense for design, accessibility, and user experience.You work in a structured, solution-oriented way and enjoy teamwork.You take ownership and enjoy sharing your knowledge with others.What we offerWe have Social Impact: Sdui’s vision is to transform the daily life of schools. Empower humans to transform education for a better tomorrow Additionally, you can take two days off per year for volunteer activities.Flexibility & New Work: Flexible working hours, remote work, and workations within the EU (+Switzerland & UK) are possible with us.We care about Mental Health: We offer all employees access to OpenUp, an online service for mental health and personal development.People Development: Active learning time, courses via a learning platform, and ongoing professional development opportunities are already in place and continuously evolving.We love our Team: You’ll be part of a motivated team that supports one another. A positive working atmosphere is essential for us We also offer a "teambuilding budget" for shared workshops and team events.We embrace Start-Up Culture & Growth: You want to take on responsibility, love challenges, and grow with us? Perfect We are committed to continuously improving collaboration and ensuring that everyone in the team can contribute to shaping the company.Additional benefits:30 days vacation, plus half-days off on Christmas Eve and New Year’s Eve.Your four-legged friend is welcome at the officeGerman and English lessons.Coffee, tea, and cold drinks are always available in our community space.Your contactSophie Marie Stahl - People Experience ManagerAm besten erreicht uns deine Bewerbung über das Formular auf dieser Seite. Bei Fragen kontaktiere mich gerne unter +49 261 13490839.