Senior Java Developer; H​/U​/M​/A​/N

Why us?

freshcells systems engineering GmbH is a software service provider based in Düsseldorf with a dynamic team of over 50 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 Java Developer (m/f/d) full-time
!

• Flex time for early risers and night owls
• Flexible remote work 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
• Special offers on travel, technology and more

• Design and improve our high-performance Java web applications with industry-standard frameworks
• Conceptual design and implementation of new features for sophisticated software solutions in cooperation with the project management, design, and development teams
• Writing automated software tests and setup deployments for web applications
• Profiling and discovering performance bottlenecks in our Java applications

• Several years of hands‑on experience in Software Engineering
• Solid knowledge of Java (11, 21) and object‑oriented software architectures
• Experience with the Spring (Boot) framework
• Experience in SQL
• Experience in Software Integration Development (SOAP/REST)
• You are comfortable with microservices architectures, API‑based and event‑based communication.
• Using build tools (like maven, gradle)
• Experience in agile development in a team and an organized and result‑oriented work ethic for sustainable and scalable web systems
• Good knowledge of how to design distributed systems
• Good knowledge of the English language, regardless of your mother tongue

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.