Junior Software Developer (m/f/d)

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?

Four times a “Yes”? Then we should definitely get to know each other!


  • Conception and further development of our application JustOn
  • Development on the cloud computing platforms of salesforce.com (Salesforce CRM, force.com, Database.com and Heroku)
  • Implementation of individual JustOn components
  • Agile software development in a daily scrum meeting with the complete team, 2-week sprints and weekly code reviews as well as version management with Mercurial


  • Knowledge and practical experience in object-oriented programming and the development of SaaS and PaaS
  • Interest in digital business models, e-commerce and e-invoicing
  • Experience with web technologies like JAVA, JAVA Script, Salesforce, force.com, Heroku, Ruby, CSS, HTML, JIRA, .NET


JustOn stands for the successful automation of financial processes. As leading software providers on the Salesforce platform, we support companies in digitising their processes around billing, payment and accounting.
With our innovative software products, medium-sized companies around the world monetize every business model directly, including well-known customers such as Delivery Hero, Christie’s, and Verizon Media.
As company, we assume social responsibility. We preserve existing jobs and create new ones, we support social as well as other charitable projects, and we are committed to environmental protection.


With us, every second Friday is free – with full pay. This working time model corresponds to our guiding principle of new work: arrange your working life to suit your life situation. At JustOn, that’s exactly what we mean and live by.
Whether you work in our beautiful office with high-quality equipment or from home is up to you. After an onboarding phase, during which the team would like to get to know you personally, the working location is flexible.
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.
In addition, you’ll also find a cheerful, motivated team, competitive compensation and a family-friendly and appreciative environment with very short decision-making paths.

Job Location

We offer you a place in our headquarters in Jena and our location in Erfurt. In some positions, you can also work from France or Spain. Preferred regions are the Loire-Atlantique department and the Valencia region. Let’s talk about it and find the right model for you.

apply now

Contact person:

Dr. Sten Grimmer


+49 3641 5598580

Share with friends



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