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Jobs at Open-Xchange

Interested in becoming part of something big?
You have landed in the right place. We are always looking for great talent to join our variety of departments. Check out our current job vacancies below or send us your speculative application. Become part of an exciting team at OX.

Hamburg | Germany | rddo-01

Web Application Developer – OX Documents

Don’t just go to work. Thrive. 
We need people who are committed to openness, have a rebellious business spirit and the will to revolutionize the market.

Open people for open source! 
By joining OX as part of a special team, this position is a launch pad for highly talented individuals to build their experience and access many opportunities working for OX globally.       

Our Vision
A borderless internet that is open, safe and free.

We are eMail 
Worldwide companies like: Comcast, Cox, 1&1, STRATO, Deutsche Telekom, Vodafone, Orange, Unitymedia, ItaliaOnline, Host Europe, NetCologne, network solutions / and Rackspace all use our "white label" products for eMail and collaboration. 


The OX Document Team is looking for a dedicated player to join their team. We are hiring a new Software Engineer for our very dynamic and open team.
In this role you would develop and extend a complex web applications (single page apps) which supports viewing and collaborative editing Office documents in a browser.


Your passion / Your job

  • Developing web applications for mobile and touch
  • Modularization of web applications
  • Responsive design
  • Automated testing of web applications with Selenium and with unit testing in JavaScript
  • Developing software solutions by studying information needs
  • Conferring with users; studying systems flow, data usage, and work processes
  • Investigating problem areas; following the software development lifecycle
  • Protection of operations by keeping information confidential


What do you bring to the table

  • A successfully completed degree in the field of computer science or comparable professional experience
  • 2 years professional experience in the development of dynamic single page web apps using AJAX technologies
  • Profound knowledge in JavaScript
  • Sound knowledge and experience in the use of HTML5, CSS3 and JSON
  • Practical experience in debugging web applications and knowledge of browser-specific quirks and problems
  • Practical experience in the use of SCM systems like Git
  • Solid knowledge of English


What do we offer

  • Working on modern cloud software in an international team
  • Wide scope to develop your own ideas for our products
  • Flexible working times and the possibility to work from home
  • The latest in IT equipment
  • Training and personal development
  • Flat hierarchies combined with an "Open Door" policy
  • Personal growth in a dynamic environment
  • Company pension plan
  • A soccer table accompanied by a extensive bar serving different kinds of softdrinks, coffee, tea and fresh fruits!

About Open-Xchange

Open-Xchange (OX) is a market leader in Mail / Messaging and DNS-based security services, with more than 200m seats sold through international hosting and telco providers worldwide, including partners such as 1&1, Orange, Italiaonline, Comcast, GoDaddy or Softbank.

We at OX have our roots in Open Source, and this has shaped our view of the world and culture – open, diverse, and with a bias to act, giving everyone at OX room to take responsibility within their team and grow. OX believes in an internet that is open, safe and free. We want to create competitive products that allow our providers to deliver secure internet services with a great user experience, and that respect privacy and generate value.

With some 270+ people worldwide, OX develops and operates Open Source software (aaS) for mail / messaging (OX App SuiteOX Guard) and collaboration / productivity (OX DriveOX Documents). OX’s  Dovecot is the world’s dominant open-source IMAP server software, and our PowerDNS provides secure DNS services to our telco customers and their users.

Our business is fast-paced and changing constantly. We are looking for people who share our beliefs, who are out there to make a difference, are entrepreneurial and enjoy working in a high-tech environment as part of a truly international team. OX is headquartered in Cologne, Germany, with further locations throughout Germany (Hamburg, Bremen, Dortmund, Cologne, Olpe and Nuremberg), the USA (Louisville, KY), Finland, the Netherlands, Italy, France, Spain and Japan (Tokyo).

If you are interested, please contact Jochen F. Schude for further information - or send us your paperless application with a cover letter including the job ID (see at the top left corner), tabular CV, certificates, salary expectations and the earliest possible date of entry by e-mail to recruiting at