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Java Backend Developer (f/m/d) - Job Düsseldorf, Home office - Jobs bei uns | COCUS AG

Java Backend Developer (f/m/d)

We solve digitalization issues with innovation and stand by our customers on their journey into the future. The technology-savvy bright minds in our Solutions Team realize individual software solutions for our international and cross-industry customer base. You live by the motto 'getting things done', have an eye for details, creative ideas and are not afraid to go innovative ways? Then join our Solutions Team and develop the latest solutions in the Java environment together with your colleagues.  

What we offer

  • You decide how, when and where you work - whether at home, in one of our modern offices in Düsseldorf, Eschborn, Wismar or anywhere else in Germany.
  • Windows, Linux or Mac? Work on the machine and with the OS of your choice
  • Android or Apple? You can also decide on your company cell phone
  • Find the right balance for your day with our flexible working hours 
  • Stay mobile on public transport with our 100% employer-funded company ticket
  • Don't worry about your pension. We offer you an employer-financed company pension plan
  • You want to improve your language skills? Attend our free German and English courses 
  • Get certified, continue your education, pursue your career goal, and build up the necessary knowledge for your success together with us. We support you! 
  • In our regular Inside Sessions you will get a deep insight into our focus topics and solutions as well as current technologies and methods as a basis for your work
  • Four-legged colleagues provide the right work-love balance. Feel free to bring your dog to the office if you want to drop by
  • Flat hierarchies, open doors and ears for your concerns, suggestions and what is close to your heart.

Your tasks

  • In an agile squad you will design new, innovative, and digital solutions from conception to go-live and subsequent operation
  • You work closely with the teams of our other units in regard to function definition, effort estimation and coordination of delivery dates
  • Together with your development colleagues, you will ensure that the developed software meets the highest quality standards through code reviews and unit tests
  • In your day-to-day work, you will use agile development methods to ensure the best possible project flow


What you bring with you

  • A successfully completed IT education, an IT degree, or a related qualification
  • Proven practical experience in Java backend development, especially Spring Boot Framework (incl. Hibernate)
  • Experienced in the use of Git
  • You are familiar with Linux-based systems and have experience in agile working methods
  • You know clean code principles and apply them in practice


Nice to have:

  • Knowledge of microservice based architectures, event driven architecture, API-development and -specifications.
  • Experience with container technologies (Docker, Kubernetes).
  • Hands-on experience in CI/CD delivery (e.g. Jenkins, Gradle, Gitlab).
  • Development experience in other programming languages and frameworks (Kotlin, Python, JavaScript).

You want to be our future Java Backend Developer (m/f/d)?

Then apply using our application form and send us your application documents, stating the earliest possible starting date and your salary expectations. We are looking forward to getting to know you!

Submit application

Wir entwickeln IT weiter, gemeinsam mit Dir!

COCUS steht für COmpany for CUStomers und genau das leben wir auch: wir entwickeln und setzen IT Projekte rund um die Digitalisierung um – lokal, international und branchenunabhängig. Denn unsere Leidenschaft sind digitale Projekte und maßgeschneiderte Software für große und kleine Unternehmen – skalierbar und qualitativ - und das seit 20 Jahren.

Aktueller Hinweis

Wir möchten, dass du dich wohl fühlst, deswegen kannst du dir selbst aussuchen, ob dein Bewerbungsgespräch digital oder vor Ort stattfindet. 
Gleiches gilt später für deinen Berufsalltag: wir passen Home und Remote Office flexibel auf deine Bedürfnisse an. Wenn du es bevorzugst ins Büro zu kommen, haben wir auch dafür vorgesorgt. Wir haben alle Maßnahmen ergriffen, um auch vor Ort eine sichere Arbeitsumgebung zu gewährleisten. 


Jana Jammer-Schliewe