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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 | rddo-02

Frontend Developer - OX Documents

Don’t just go to work. Thrive.
We look for people who are committed to openness and have the will to revolutionize the market. You will join OX as part of a special team. As a talented individual, you can advance within your department as well as getting the opportunity to work 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 /, Rackspace, Softbank, and GoDaddy use our "white label" products for eMail and collaboration.

Open Source is our foundation  
The mix of divergent perspectives, corporate objectives, and personal goals is our foundation and speeds up innovation.


Your area of responsibility

OX Documents is a web based office suite with word processor, spreadsheet and presentation.
You will help with the development of complex web applications for viewing
and for collaborative editing of Microsoft Office and OpenOffice/LibreOffice documents.

What do you bring to the table


  • A degree in the field of computer science or comparable professional experience
  • Sound knowledge and experience in the use of JavaScript, HTML5 and CSS3
  • Experience in the development of dynamic single page web apps 
  • Practical experience in debugging web applications
  • Solid knowledge of English and basic knowledge of German


  • Practical experience in using responsive design and in developing web applications for mobile and touch
  • Experience in frontend frameworks and their concepts
  • Experience in automated testing of web applications with Selenium and with unit testing in JavaScript 
  • Team-oriented way of working 
  • Ability to work independently 
  • Self-organization in a Scrum Team 
  • Interest in new technologies


Our offer to you

  • Working on modern open source cloud software in an international team
  • Wide scope to develop your own ideas for our products
  • Hackathons, workshops and team events
  • Flexible working times and the possibility to work from home
  • The latest in IT equipment and an ergonomic work place
  • Training and ongoing personal development
  • Flat hierarchies combined with an "Open Door" policy
  • Personal growth in a dynamic environment
  • Company pension plan
  • And of course: Soft drinks, coffee, tea, fruits and the obligatory soccer table!

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, with further locations throughout Germany (Hamburg, Bremen, Dortmund, 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