Full Stack Developer TypeScript/JavaScript (m/w/d)

Are you a motivated fullstack developer who wants to make an impact by building and operating modern web applications, owning features from idea to production, and helping shape the future of OX App Suite?

At Open-Xchange (OX), we develop open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure and under their control. Our products cover email, collaboration, DNS security, and related services, and are used by millions of people worldwide.

We value expertise and continuous professional development. We focus on making onboarding, configuration and maintenance easier for our customers while turning common customizations into reusable, configurable product features. Our flagship product is COP, our onboarding and brand-configuration platform, and we also work directly on the core App Suite. JavaScript, Vue 3, Node.Frontend: We're intentionally JavaScript-first and pragmatic about typing. We evaluate TypeScript based on its benefits, not because it's trendy. Multiple years (5+) of professional fullstack development experience at a senior level, with the ability to take ownership of features from concept to production.

A Master's degree in Computer Science, Software Engineering, or a related field.

Strong proficiency in modern JavaScript and at least one component-based SPA framework (e.g. Vue, React or Angular). Experience developing server-side services with JavaScript (e.g. Hands-on experience with technologies such as Pinia, Vite, Docker, Kubernetes, GitLab CI/CD, Keycloak or pnpm.

Fluent German skills and good English communication skills. Our development team works primarily in German, while cross-team communication takes place in English.

Comfortable working in a remote-first environment with multicultural teams across different time zones.

The flexibility to work 100% remotely ensures a work environment that suits you best.

Getting together in-person for workshops and fun team events.

Time off to volunteer – and mental health support when you need it.

We provide financial relief through corporate benefits and a subsidy for ergonomic chairs and desks.

We can discuss further location-related benefits together in an initial talk.

Join us in our fight for an open internet and deliver added value!