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Fullstack Developer

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Fullstack Developer (m/w/d) full-time

freshcells systems engineering GmbH is a Düsseldorf-based software agency with a dynamic team of currently more than 70 employees.

We do not have a hire-and-fire mentality; we prefer to kick back with cold drinks after work.

Among other vacancies, we are looking for a Fullstack Software Developer (full-time software development) to support our team in Düsseldorf.

You should be able to communicate in English and in German.

freshcells is always on the lookout for the latest software trends and principles. To run with the most modern software stacks is part of our DNA. Docker, Kubernetes, React, Node.js … freshcells has been an early adopter and contributor in all fields. If you feel at home in such an environment and enjoy working with talented co-workers from all over the world who challenge you and like to be challenged by you, you are the right fit for us.

Please send us your application via email to

The freshcells spirit

  • Shake things up and we’ll shake them with you.
  • Identify what needs doing and do it.
  • Keep up motivation and a love of challenges.
  • Gaming is great. Playing the blame game and pointing fingers is not.
  • Help your teammates and they’ll help you.
  • Communicate, so others know how to help you.
  • Follow and run with ideas: the world begins outside the box.
  • Realize and celebrate successes.
  • There is life beyond work.
fcse summer event
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What we have to offer

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  • Room for your own ideas
  • Varied and exciting IT projects
  • Flat hierarchies and a friendly, young team
  • An agile, structured, and relaxed working atmosphere
  • Free water, coffee, and tea
  • Monthly company breakfast
  • Summer event
  • Christmas event
  • Company pension plan
  • Subsidized sports courses
  • Dogs welcome
  • Very good access to public transportation
  • An international work environment
  • Home office options
  • Flexible hours
  • Support during relocation (administrative formalities, apartment search, registration with authorities, health insurance, bank account, etc.)
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Your Responsibilities

  • Development of modern backend applications based on Node.Js
  • Development of modern frontend applications based on React JS
  • Development of APIs based on GraphQL
  • Design and implementation of new features for sophisticated software solutionsin cooperation with project management, design, and development departments
  • Writing and maintaining our automated test suites
  • Participation in continuous improvement processes
working together

Your Qualifications

  • Very good knowledge of Node.js
  • Strong knowledge of ES 6 JavaScript as well as extensive knowledge offrameworks and libraries such as reactJS, Angular, and/or vue.js
  • Hands-on experience with automated software testing
  • Sound experience with relational or non-relational databases
  • Good knowledge of data structure design
  • Competences in consuming and creating web services based on ReST and especially GraphQL
  • Know-how in performance optimization
  • Basic knowledge of HTML and CSS is helpful
  • Experience with agile development in a team
  • Fluent in English
happy about success

Nice to have

  • Experience with containerization technologies such as Docker etc.
  • Experience with container orchestration tools like, i.a., Kubernetes, OpenShift, or Docker Swarm
  • Knowledge of designing and adapting software to be twelve factor applications
  • Knowledge of continuous integration via tools like Jenkins
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Take the initiative

Please note

Applications sent by post cannot be taken into account during the application process. For this reason, application portfolios will also not be returned.