Backend developer

We are Kopano, an open source software vendor with over 10 years of experience in email and communications. Since communications in the business world these days is more than just email, we are bringing various communication technologies together in a single platform.

Our young and dynamic teams are situated in The Netherlands and in Germany. From these offices, we work together with hundreds of partners to serve thousands of customers worldwide, as well as with many worldwide experts in the field of open source development and various Linux communities.

We are looking for backend developers:

  • with C++ experience and any of Python or Go and some knowledge of the client server model, SOAP, RPC and web related technologies like Networking, REST or HTTP;


  • with little C++ experience and one or more of Python, Go, Ruby and web related technologies like Networking, REST or HTTP as well as some knowledge of the client server model, SOAP and RPC.

For both types of backend developers it is important that he or she has a keen eye for clean code. This person will be working on our current stack as well as our up and coming disruptive new products and projects. We need a positive, persevering and influential person who enjoys working in teams. Someone who is eager to learn, gain more experience and share this experience to help Kopano and its employees reach their full potential.

Preferably the development experience is achieved in a professional working environment, but we’re also very interested in (demonstrable) activity in relevant open source projects. Good oral and written communication skills are essential! English is a must, Dutch is an added benefit.

Our ideal candidates have:

  • at least 4 years of relevant working experience
  • higher and/or university education
  • fulltime availability (40 hours per week)

The following extras would be great (but not required):

  • experience with Linux operating systems
  • affinity with open source and software products
  • experience with continuous integration and/or test-driven development
  • a good grasp of groupware and email products and standards

We offer you …

  • market conform salary, significant flexibility in finding a good work-life balance and secondary benefits such as lunches and pension.
  • personal development in a broad range of technical and non-technical aspects through training, coaching and bi-yearly reviews.
  • collaboration and exchange of ideas with skilled colleagues and experts at Kopano, in the open source community and beyond.
  • the possibility to work with good processes, nice equipment and state-of-the-art tools such as the Atlassian stack (Confluence, Jira), Jenkins, OBS, Valgrind and interaction with external specialists.
  • the opportunity to join internal team events of your choice like LAN-parties, sports, ‘jeu de boules’, darting, drinks and diners.

Are you interested?

Connect with us:

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