Salesforce Software Developer (m/f/d)

Are you interested in Salesforce and its technological environment? You have a passion for programming? You work with agile methods and know why Test Driven Development helps you reach your goals faster? You know when a solution is good enough and when you can start with a new feature? You take responsibility for your work and love constructive feedback?

Five times a “Yes”? Let’s get to know each other!


  • Conception and further development of our billing application JustOn
  • Development on the cloud computing platforms of (Salesforce CRM,, and Heroku)
  • Implementation of individual JustOn components
  • Agile software development in a daily scrum meeting with the complete team, 2-week sprints and continuous code reviews
  • Development of interfaces for third party systems


Your formal education is not the most important thing for us. But you should have at least one year of experience in developing salesforce applications which means:

  • You have a good knowledge and some experiences of Lightning Components, APEX and the Salesforce platforms, especially of the developing processes of these platforms
  • Ideally you already have salesforce certifications like platform developer
  • You have some knowledge and interest in e-business, e-billing and business processes
  • You are passionate about sustainable product development
  • You are willing to develop yourself both professional and personal
  • Your working place will be Jena or you can be in our Jena office for at least six months of onboarding

If you do not have any Salesforce background, we also accept at least three years of experience in programming with object-oriented languages like PHP, Java or C++.


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