Clojure Developer (m/f/d)

For further development of our software product JustOn, we are looking for your expertise in functional programming, especially with Clojure.


  • Develop and actively creating our software on a functional and declarative approach
  • Be person in charge, creative head and hands-on developer as part of our engineering team
  • Raise our product to a new level of service architecture
  • Improve yourself as an expert for clojure


  • You are a professional software developer in the e-business environment
  • You are curious about gaining more or first experiences with clojure or another functional language (Haskell, Erlang, Elixir, Scala)
  • You have already worked with SQL database language
  • You are passionate about new ways of software architecture
  • You are willing to develop yourself both professional and personal


JustOn automates the entire invoice processing process.

We are convinced that easy-to-use business software is the key to long-term customer satisfaction. With our software and expertise, we are experts in billing and e-invoicing.

Our customers are companies with digital business models that have chosen the market leader Salesforce CRM and need applications that make life easier for their business.


Set up your working hours to suit your life situation – at JustOn, that’s exactly what we mean and live by. Let’s talk openly about which model suits you best and we’ll find a solution.

Further training and personal development are not a phrase for us: Two days of educational leave and a fixed budget of 1500€ per year are available to every employee.

You’ll also find a cheerful, motivated team, competitive compensation and a family-friendly and appreciative environment with very short decision-making paths.

apply now

Contact person:

Dr. Sten Grimmer

+49 3641 5598580

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You can expect a motivated team, flexible work time models as well as a family-friendly and appreciative atmosphere with short decision-making processes.

Become part of our team and help shape the future of e-invoicing.

We look forward to receiving your application.

apply now