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# UI Developer

- **Company:** Open-Xchange GmbH
- **Location:** Olpe, Germany (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, Cloud Computing, Cloud Engineering, Cloud Foundry, Software Quality, Code Review, Continuous Integration, Relational Databases, Design of User Interfaces, Internet Message Access Protocols, MariaDB, Software Engineering, TypeScript, Vue.js, Containerization, Kubernetes, Information Technology, Microservices
- **Published:** August 30, 2026
- **Apply:** https://www.adzuna.de/details/5860438793

## About the Role

* Master's degree in Computer Science, Software Engineering, or a related field.
 * Multiple years (5+) of professional development experience at a senior level, with the ability to take ownership of features from concept to production.
 * Strong knowledge of JavaScript and modern web architectures.
 * Passion for designing intuitive APIs and user interfaces with a strong focus on usability.
 * Experience with CI/CD pipelines and automated testing.
 * Ability to communicate technical concepts clearly, contribute ideas, and collaborate effectively within a development team.
 * Fluent German and good English communication skills.

Nice to Have

 * Experience with Vue.js, particularly its reactivity system.
 * A strong eye for UI design and user experience (UX), combined with an understanding of accessibility standards and inclusive UI design.
 * Experience with microservices, Kubernetes, container technologies, and cloud-native architectures, as well as relational databases such as MariaDB and Galera Clusters.
 * Knowledge of the email and calendar domains, including relevant protocols and standards such as IMAP, RFC 822, CalDAV, iMIP, and iCalendar.

## Description

* Develop and improve user interfaces using JavaScript and TypeScript, with a focus on our solutions for the public sector.
 * Take ownership across the full development lifecycle, from architecture and implementation to testing, quality assurance, and deployment.
 * Build and maintain a distributed, cloud-native platform running on Kubernetes and serving millions of users across customer environments and our own cloud infrastructure.
 * Contribute to high software quality through CI/CD, automated testing, code reviews, and continuous improvements to our development processes.
 * Use modern developer tooling, including agentic coding and AI-assisted development, as part of your day-to-day work.
 * Build software with long-term maintainability in mind and help continuously improve our codebase and technical architecture.


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