Full Time
(Senior) Fullstack Developer (m/f/d) full-remote/hybrid in full-time/ 1 day ago
freshcells systems engineering GmbH
Attractive
Application ends: 2026-10-30
Quick Summary
This full-time (Senior) Fullstack Developer role at freshcells systems engineering GmbH, available full-remote or hybrid in Düsseldorf, focuses on developing modern backend applications with Node.js, frontend applications with React JS, and APIs using GraphQL. Key requirements include strong Node.JS, ES 6 JavaScript, ReactJS (or Vue.js/Angular), database experience, ReST and GraphQL competence, performance optimization, agile development, automated testing, basic API security, and fluent English.
About Us
freshcells systems engineering GmbH is a software service provider based in Düsseldorf, featuring a dynamic team of over 60 creative experts. We prioritize authenticity, individual talent development, and open communication, building on respect, trust, and responsibility. As an innovation-driven company, we invest in new ideas, recognizing that the best results are achieved through teamwork. We embrace learning from mistakes and are open to exploring new paths.
Join us on an exciting journey in the significant and forward-looking field of software development. For more information, visit our website: https://www.freshcells.de/en/
Your Mission
- 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 implement new features for sophisticated software solutions in cooperation with project management, design, and development departments.
- Write and maintain automated test suites.
- Participate in continuous improvement processes.
Your Profile
- Very good knowledge of Node.JS.
- Strong knowledge of ES 6 JavaScript and extensive knowledge of frameworks and libraries such as ReactJS, Vue.js, and/or Angular.
- Sound experience with relational or non-relational databases.
- Good knowledge of data structure design.
- Competence 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 PHP, ideally with frameworks such as Symfony, Laravel, or Yii.
- Experience with containerization technologies such as Docker.
- Experience with container orchestration tools like 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.