-
freshcells systems engineering GmbH
View all jobs
Senior Fullstack Developer (H/U/M/A/N) full-time
Germany
· Full-time
·
Mid-Senior
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.
Aufgaben
Important note
Please be advised that a valid work permit for Germany is required for non-EU citizens. Unfortunately, applications without a valid work permit and sufficient German language skills may not be considered.
LNKD1_DE
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.
Aufgaben
- 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
- 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
- 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
Important note
Please be advised that a valid work permit for Germany is required for non-EU citizens. Unfortunately, applications without a valid work permit and sufficient German language skills may not be considered.
LNKD1_DE
Key Skills
Ranked by relevance
docker
continuous integration
containerization
javascript
kubernetes
reactjs
symfony
laravel
react
css
php
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Backend Developer
2026-06-19
Full-time
Entry
Turkey
Software Development
Engineering
View Job Details
Related
Backend Developer (Remote)
2026-06-19
Contract
Not Applicable
United Arab Emirates
Technology
Research
View Job Details
Related
Lead Machine Learning Engineer/ AI Systems Architect
2026-06-19
Full-time
Mid-Senior
Romania
Software Development
Information Technology
Login to Apply
- Posted
- Oct 02, 2025
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Düsseldorf
Industries
Software Development
Categories
Engineering
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Backend Developer
2026-06-19
Full-time
Entry
Turkey
Software Development
Engineering
View Job Details
Related
Backend Developer (Remote)
2026-06-19
Contract
Not Applicable
United Arab Emirates
Technology
Research
View Job Details
Related
Lead Machine Learning Engineer/ AI Systems Architect
2026-06-19
Full-time
Mid-Senior
Romania
Software Development
Information Technology