Senior Java Backend Developer

Designing, developing and documenting Java software applications used in the industrial environment. Integration into our existing PAC Scrum team to develop, extend and implement customerspecific solutions. Perform software and integration testing and support the rollout of solutions at customer sites until golive (typically remote). Continuously improve ourselves by actively contributing ideas to ongoing projects and processes. Ensure that applications are supported and maintained, even while in production. Collaboration in projects with other IT departments and integration of stakeholders. Requirements Completed university studies (master's degree, diploma, bachelor's degree) in technical computer science / general computer science, automation/engineering or comparable qualifications and experience Programming knowledge in Java/Groovy and experience in using frameworks and tools such as Spring, Maven, JUnit and EasyMock Strong backend / integration focus No JavaScript or frontend skills required Experience in modern IT delivery processes (especially DevOps) and as well as in continuous delivery, automated testing and Scrum Preferably experience with the integration of interfaces such as OPC-UA, Siemens S7, REST/SOAP web services, TCP IP, etc. Experience and interest in event streaming, monitoring, logging, tracing, alerting (Kafka, Splunk, etc.) Reliability, accountability, strong ability to communicate and passion for learning Experience in automation and/or MES environments Handson experience with message bus technologies: Kafka JMS MQTT Experience with industrial communication protocols: OPC UA REST Plain TCP / socket communication Experience integrating hardware devices such as printers, scanners, or other production equipment Core Competencies Demonstrates expertise in Java and Groovy programming, with a strong focus on backend development and integration within industrial environments. Proficient in modern IT delivery processes, including DevOps, automated testing, and Scrum methodologies. Highest-signal resume keywords Java Programming Groovy Programming Spring Framework DevOps Practices Kafka Event Streaming ATS Optimization Keywords Hard Skills Java Programming Groovy Programming Spring Framework Maven JUnit EasyMock Automated Testing Integration Testing Event Streaming Industrial Communication Protocols Soft Skills Reliability Accountability Strong Communication Passion for Learning Industry Keywords Automation MES Environments Industrial Software Development Integration of Hardware Devices Tools & Technologies Kafka Splunk OPC-UA Siemens S7 REST Web Services SOAP Web Services TCP/IP JMS MQTT .