Lead Java Backend Developer; f​/m​/d

Permanent

Start:
As soon as possible

Job-

I develop software components and operate data integration solutions for the digital energy transition at 50

Hertz

What makes this job exciting for me: 50

Hertz has long been committed to driving the energy transition. In the Data Integration Chapter, I design and implement modern, secure, and scalable data integration solutions for grid operations. I work closely with specialists from various departments, share best practices, and continuously develop my skills—both professionally and technically.

• Develop scalable, secure architectures and modules for data processing and integration
• Design protocol adapters for industrial communication protocols (e.g., OPC UA, Modbus TCP)
• Implement secure file transfers and monitoring between security zones
• Define coding standards, observability, and security guidelines
• Perform troubleshooting and collaborate closely with the Data Chapter and product team

• Degree in (Business) Informatics, Mathematics, Physics, or equivalent qualification
• Several years of experience with Java (Spring Boot) and Apache Camel
• Solid expertise in microservices, event streaming (Kafka), OT protocols, and distributed architectures
• Experience with containerized applications (Docker, Kubernetes) and CI/CD processes (Azure, AWS, GCP)
• Knowledge of web services (REST, SOAP), relational databases (e.g., Postgres), and messaging systems
• Experience in guiding and mentoring software developers
• Excellent English skills (C1) and good German skills (at least B1)

• Experience in frontend development with Angular

• Working hours per week: 37 hours (full time)
• Flexible working hours and a long-term working time account supporting your work-life-balance
• The number of flex days is not limited
• No core working hours
• Mobile working, also from home, is possible