freshcells systems engineering GmbH

Senior Fullstack Engineer

freshcells systems engineering GmbH

full-time

Posted on:

Location Type: Hybrid

Location: Düsseldorf • Germany

Visit company website

Explore more

✨ AI Apply
Apply

Job Level

Senior

Tech Stack

AngularGraphQLJavaScriptNode.jsReactTypeScriptVue.js

About the role

  • Develop and maintain backend APIs using Node.js/TypeScript
  • Implement complex frontend behaviors with React
  • Work across a shared, client-customizable codebase
  • Recognize emerging patterns, craft reusable abstractions, and refactor responsibly
  • Influence structure, testing, and performance in the codebase
  • Contribute to technical decision-making—not just execute tickets

Requirements

  • 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
  • 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
Benefits
  • flexible work arrangements
  • professional development
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Node.jsTypeScriptReactJavaScript ES6Vue.jsAngularrelational databasesnon-relational databasesGraphQLautomated software testing
Soft Skills
technical decision-makingcollaborationinfluenceproblem-solving