Senior Java Developer

About the Role -------------- As a Senior Java Developer in KSB’s Digital Unit, you will be at the forefront of innovation, contributing to cutting-edge projects in Industrial IoT (IIoT), factory digitalization, sales automation, and digital sales platforms. You will work in a collaborative, international environment with teams across Germany and other European countries. We are looking for a passionate team player with strong technical expertise, leadership qualities, and a commitment to delivering high-quality, maintainable, and scalable software solutions. Key Responsibilities -------------------- ·        Lead the design and development of complex software components using modern Java technologies. ·        Apply software architecture principles and design patterns to build robust systems. ·        Guide and mentor junior and mid-level developers through code reviews and joint implementation. ·        Collaborate with cross-functional teams across geographies. ·        Participate in the full software development lifecycle (Agile or Waterfall). ·        Ensure high standards of code quality, performance, and security. ·        Contribute to CI/CD pipelines and containerized deployments in cloud and on-prem environments. Required Experience ------------------- ·        Minimum 6 years of hands-on experience in Java development. ·        Participation in more than 3 customer projects. ·        Proven experience in: ·          - Designing non-trivial software components. ·          - Applying design patterns and architectural principles. ·          - Leading or mentoring development teams. Technical Skills (at least 3 from each category) ------------------------------------------------ ·        Frameworks & Tools: ·        Spring / Spring Boot / Spring REST ·        Hibernate, JUnit ·        Maven, Jenkins, GIT ·        Swagger, ·        Protocols & Data Formats: ·        HTTP, MQTT, OAuth ·        XML, JSON, JWT, OData ·        Infrastructure & DevOps: ·        Docker, Docker Swarm, Kubernetes ·        Kafka, ActiveMQ ·        Azure (IaaS, PaaS, Functions), AWS (Lambda, S3) ·        Databases: ·        MS-SQL, Oracle, PostgreSQL, MySQL ·        Hadoop, Apache Spark, SAP HANA, Redis Other Qualifications (at least 3 from each category) ---------------------------------------------------- ·        Strong understanding of SDLC and Agile methodologies ·        Experience with code reviews, JIRA/Confluence ·        Familiarity with REST APIs, API gateways ·        CI/CD practices and Infrastructure as Code ·        Container orchestration with Kubernetes or Docker Swarm