Senior Java Developer

Introduction
As an Application Developer, you will lead IBM into the future by translating system requirements into the design and development of customized systems in an agile environment. The success of IBM is in your hands as you transform vital business needs into code and drive innovation. Your work will power IBM and its clients globally, collaborating and integrating code into enterprise systems. You will have access to the latest education, tools and technology, and a limitless career path with the world's technology leader. Come to IBM and make a global impact!

Your Role and Responsibilities

Your responsibilities:

• Lead the design, development, and maintenance of complex Java applications and systems.

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• Mentor and guide junior developers to ensure best coding practices and quality standards.

• Collaborate with cross-functional teams to define, design, and deliver new features.

• Analyze and troubleshoot complex software issues, identifying root causes and solutions.

• Contribute to architectural decisions, ensuring scalability, reliability, and maintainability.

• Continuously improve existing systems, optimizing performance and reducing technical debt.

• Stay updated with the latest trends and advancements in Java development and related technologies.

• Participate in code reviews to ensure clean, maintainable, and efficient code.

• Salary starting between 2850 EUR gross, depending on relevant experience and language proficiency
• Additional Days Off
• Flexible Working Conditions
• 100% Paid Sick Leave
• Critical Illness Insurance, Life & Disability insurance, Medical Center
• Personal & Career Development
• And many more: ibm.biz/benefits2021

• At least 6 years of experience developing Java / Java Enterprise solutions with a proven track record of developing complex and large-scale applications.
• Proficient in Java SE (Java 8+) with a deep understanding of the language specifics, OOP principles and software architecture.
• Advanced Java backend programming experience, including EJB, REST, SOAP, JMS, Oracle WLS
• At least 2 years of experience with Spring Framework, Quarkus, Micronaut or Jakarta EE.
• At least 4 years of experience with JPA-based frameworks (such as Hibernate or EclipseLink).
• Experience with modern Java build tools (Maven or Gradle).
• Experience with microservices / microservice architecture and technologies like Docker, Podman and Kubernetes.
• Familiarity with RESTful web services, API design and OpenAPI specification.
• Knowledge of JSON, YAML and XML formats.
  
  Database Skills:
• Understanding of database management systems, including relational databases.
• Advanced SQL knowledge.
• Experience with PostgreSQL, MySQL, MS SQL or Oracle.
• Development Tools and Practices:
• Experience with version control systems (preferably Git).
• Familiarity with Agile methodologies (e.g. Scrum, Kanban) and tools (Eclipse IDE, Visual Studio Code, RTC, Jira, SoapUI or Postman, Monday or Trello).
• Experience with cloud platforms (IBM Cloud, AWS, Azure, or Google Cloud).
• Soft Skills:
• Excellent communication and teamwork skills.
• Strong interpersonal skills and ability to collaborate in a globally distributed team.
• Self-motivated, detail-oriented, and organized.
• Adaptable and quick to learn new technologies.
• Strong problem-solving and analytical skills.
• The ability to communicate in German is a major advantage.
• Knowledge of web development concepts, including HTTP, HTML and CSS, JavaScript.
• Experience with modern front-end technologies (Angular, React, or Vue.js).
• Experience with legacy technologies (Swing, Eclipse RCP)
• Familiarity with Event-Driven Architecture and usage of Apache Kafka or RabbitMQ for messaging.
• Basic DevOps knowledge, including CI/CD pipelines (Jenkins, Travis CI, GitLab CI, GitHub Actions or Tekton).