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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.

Espoo | rddc01

Software Engineer (f/m/d)

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 inside the QA department 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 Engineering Team is looking for a dedicated player to join the Dovecot Team.

We are looking to hire new Software Engineer to our open and very dynamic team. In this role you would be joining creative and very professional team of Software engineers who also know how to make work fun.
You would be part of the very soul and core of the engineering team and the development tasks will vary across our products.
The primary location for the Engineering Team is in
Leppävaara Espoo, but as we are international company and have several offices across the world, working from one of our other locations is also a possibility.
Working from home occasionally is also supported.


Your passion / Your job

  • 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
  • Determining operational feasibility by evaluating requirements, analysis, solution development, and proposed solutions
  • Preparing and installing solutions by determining and designing system specifications, standards, and programming
  • Improving operations by conducting systems analysis; recommending changes in policies and procedures.
  • Updating job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment; participating in educational opportunities; reading professional publications; maintaining personal networks.
  • Documentation and demonstration of solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code
  • Providing information by collecting, analysing, and summarizing development and service issues.
  • Accomplishing engineering and organization mission by completing related results as needed
  • Designing, implementing and executing tests (integration, performance, load tests)
  • Developing our test automation tools
  • Setting up new test environments
  • Investigating and debugging bugs in order to find the root cause
  • Protection of operations by keeping information confidential


What do you bring to the table

  • Minimum of 5 years’ experience in software development, system development or related position 
  • Knowledge of and demonstrated experience with Linux system such as RHEL, CentOS and Debian
  • Programming language knowledge, preferably C
  • Experience working in an agile environment
  • As prime candidate for this position you would have experience with software development and software lifecycle management 
  • System architecture and design (design and analysis of complex setups in heterogeneous environments)
  • Ability to work independently with support of the OX team
  • Goal-oriented working style and high self-motivation
  • Team player and ability to communicate well amongst peers



  • Bachelor’s degree in Computer science or corresponding work experience


What do we offer

  • Working on modern cloud software in an international team
  • Wide scope to develop your own ideas and projects
  • Possibility to work from home office and the opportunity to work from one of our well-appointed worldwide offices
  • The most current and jazzy equipment
  • Continuous personal development & training
  • Flat hierarchies combined with an "Open Door" policy

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