(Senior) Fullstack Developer (m/f/d) full-remote/hybrid in full-time

Personio; Düsseldorf; Hybrid; EUR 70.000 - 110.000; Vollzeit

Benefits dieser Stelle

Remote/hybrid options

Zusammenfassung

freshcells systems engineering GmbH in Düsseldorf is seeking a (Senior) Fullstack Developer to join our software team. You will develop backend services with Node.js, frontend with React.js, and APIs using GraphQL in a full-remote/hybrid, full-time role.

You will contribute to design, testing, and performance optimizations, collaborate with product and design, and help advance our modern software solutions while maintaining high quality and reliability.

Qualifikationen

• Strong knowledge of Node.js and React.js ecosystems.
• Experience with relational and non-relational databases.
• Experience with REST and GraphQL APIs.
• Hands-on experience with automated software testing.
• Fluent in English.

Aufgaben

• Develop backend services with Node.js.
• Develop frontend applications with React.js.
• Build GraphQL APIs and data models.
• Design features with cross-functional teams.
• Write and maintain automated tests.
• Participate in continuous improvement processes.

Kenntnisse

Node.js

React.js

GraphQL

REST

Databases

HTML/CSS

Agile

Testing

API Security

English

Tools

Docker

Kubernetes

Next.js

TypeScript

Symfony

Jobbeschreibung

(Senior) Fullstack Developer (m/f/d) full-remote/hybrid in full-time

Full-time

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 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

Your profile

• Very good knowledge of Node.JS
• 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

• 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

Nice to have

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

Why us?

freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 60 creative experts from various fields.

At our company, authenticity, individual talent development and open communication are our focus. 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 do make mistakes, but we learn from them. We are open and bold in exploring new paths.

Join us on our exciting journey in what is arguably the most significant and forward-looking field — software development.

freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 60 creative experts from various fields.

At our company, authenticity, individual talent development and open communication are our focus. 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 do make mistakes, but we learn from them. We are open and bold in exploring new paths.

Join us on our exciting journey in what is arguably the most significant and forward-looking field — software development.