Fullstack Developer (f/m/d)

Department: Software Development
Contact Person: Verena Broll

Job Description

It's important to you to identify with your job - are you either a full-stack developer or do you want to develop into one?

Do you want to drive sustainability and develop a socially valuable product that enables mobility independent of ownership and anywhere in the world? At INVERS we have been working on exactly this technology for 25 years.
In Cologne or Siegen, we will integrate you into our Core Modules team in software development, full-time and permanent as soon as possible.
If you are passionate about tech and mobility, SaaS, cloud and hardware, then become part of the INVERS family. Together, we make mobility shareable.


  • As part of your new team, you will continuously develop our shared mobility solutions further
  • You are fully involved in the development of microservices architectures and always have the best possible performance in mind
  • You take care of the evaluation and selection of new technologies for our future projects
  • Through pair programming, code reviews and prototyping, you will not only continuously develop our products, but also yourself

And right from the start: We are not looking for people with an elbow mentality, but for nice colleagues who are looking for demanding challenges, who are committed to their work and who appreciate and want to maintain our pleasant working atmosphere.



  • You have experience in front-end / back-end development
  • You work routinely with JSON-based interfaces (REST APIs)
  • You have knowledge in HTML5, CSS, JavaScript and in object-oriented programming in C# or Java
  • Experience in Angular is an advantage
  • You are able to work independently and have high expectations of your own work results
  • You are a team player and like to communicate - in German as well as in English
  • You appreciate being creatively involved in the design process - your ideas are important to us


In the Core Modules team we develop the backend mainly with .NET Core and SQL based databases. In the frontend we work with Angular.


We are a diverse team and look forward to receiving your application. Regardless of gender, origin, sexual orientation, denomination, age or disability.

  • Work with the inventor and most successful provider of automated vehicle sharing!
  • Diverse professional and personal development opportunities in a growing, technological company.
  • A refreshing start-up atmosphere in a solid, successful company
  • The opportunity to gain experience in the dynamic shared mobility market and with the latest technology portfolio
  • Flexible working hours and trust-based working hours
  • You are welcome to work from home three days a week
  • Our modern technology stack, both work devices and a current smartphone for your personal use
  • Modern offices, in the center of Cologne and in the nature of Siegen (Netphen)
  • A vehicle pool that you can also use for private trips
  • Other standard benefits, such as our flat-rate drinks and fresh fruit baskets every day.

Have we aroused your interest? Then write down your email address below and we will get in touch with you. If you like, you can also upload your resume directly. Your contact person for this position is Verena.

Apply now

Personal Information
Your Application

Thank you very much for your application!
We will contact you as soon as possible.

Unfortunately, an error occurred during the transmission.
Please try again later or send us your application via email: