Frontend Entwickler (m/w/d)

You want to develop modern and user-friendly user interfaces and bring them to product maturity? You like making UI designs come to life? HTML, CSS and Javascript are good old friends of yours? Events mean more to you than just the next party?

Then you are just the one we are looking for – with your expertise in developing modern web frontends. Join us and help us make our products easier and more intuitive to use.


  • Creating UI prototypes based on UX mockups
  • Implementing UI designs in software


  • Experience with user interface-libraries like React, AngularJS, Vue.js
  • Familiarity with HTML, CSS and responsive webdesign
  • Ability to work with modern development tools (Git, Bitbucket, JIRA, Docker)
  • Active participation in the UX team
  • Interest in quality assurance and process improvement
  • Commitment to specialist advancement and professional exchange within the team
  • Your working place will be Jena or you can be in our Jena office for at least six months of onboarding


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

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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