Senior Fullstack Developer (H/U/M/A/N) full-time

Why us?

freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 40 creative experts from various fields.

We focus on authenticity, individual talent development and open communication. We build on respect, trust and responsibility. As an innovation-driven company, we invest in new ideas. We know that the best results are achieved as a team. We make mistakes, but we learn from them. We are open and courageous for new ways.

Join us on our exciting journey in what is probably the most important and forward-looking area - software development - as a Senior Fullstack Developer (m/f/d) in full-time onsite or remote.

Our offer to you:

• Flex time for early risers and night owls


• Flexible home office days


• Company pension scheme with employer contribution


• Subsidy for the "Deutschlandticket"


• Advantage portal with offers in online stores and branches of various brands


• High-end equipment for private use too


• A secure and long-term workplace


• Regular feedback, team meetings & retrospectives


• Room for your own ideas and personal development


• Digital training courses, freely available to every employee


• Support with relocating processes, as well as free German courses for newcomers


• Joint activities such as summer and winter parties, monthly company breakfast, etc.


• A dog-friendly working environment

• 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 solutions in cooperation with project management, design, and development departments


• Writing and maintaining our automated test suites


• Participation in continuous improvement processes

• Very good knowledge of Node.JS


• Strong knowledge of ES 6 JavaScript as well as extensive knowledge of frameworks and libraries such as reactJS, vue.js and/or Angular


• Experience of PHP, ideally with frameworks such as Symfony, Laravel or Yii


• 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


• Hands-on experience with automated software testing


• Basic knowledge in API security


• Fluent in English

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


• Experience with Next.js


• Experience with TypeScript

All people are welcome here, regardless of gender, age, sexual identity, origin, religion, ideology, with or without a disability. The main thing is that you fit in with us.

If you are interested in a wide-ranging portfolio of projects, want to continuously develop yourself and enjoy working independently and responsibly, get in touch with us: recruiting((at))freshcells(.)de. We look forward to hearing from you!