Lead Java Software Engineer

ABOUT THE ROLE

Join the European Commission's eGrants ecosystem as a Backend Engineer, developing business-critical solutions supporting calls, proposals, grants, participants, and audit processes.

You will build scalable Java services, APIs, integrations, and business logic while contributing to security, performance, testing, CI/CD, technical decisions, and mentoring.

RESPONSIBILITIES

• Design and develop backend applications using Java, Spring Boot, Hibernate, JEE, EJB, WebLogic, and Kafka
• Implement business logic and integrate frontend components with backend services
• Build and secure RESTful APIs and web services
• Design data solutions using relational and NoSQL databases
• Ensure application security, scalability, performance, logging, and monitoring
• Develop unit and integration tests using JUnit and Mockito
• Integrate testing and code quality controls into CI/CD pipelines
• Configure cloud services, storage, serverless functionality, and managed Kubernetes
• Troubleshoot complex issues using logs, data analysis, and APM tools
• Perform code reviews, mentoring, and technical onboarding
• Collaborate with QA teams and participate in requirements refinement and estimation
• Maintain clear technical documentation

REQUIREMENTS

• Strong Java backend development experience
• Strong experience with Spring Boot and Hibernate
• Hands-on experience with WebLogic, Kafka, JEE, and EJB
• Experience with PostgreSQL, Oracle, or MySQL, including complex SQL and database design
• Knowledge of MongoDB, CouchDB, or Cosmos DB, including consistency and performance trade-offs
• Strong REST API and web services experience, including OpenAPI/Swagger
• Experience with Maven, GitLab, Bamboo, Jenkins, and Nexus
• Experience with Jira, Git, Bitbucket, and wikis
• Experience with Dynatrace or similar APM tools
• Good knowledge of Agile and Scrum
• Experience with JUnit and Mockito
• Experience with SonarQube, SonarLint, Fortify, or similar code analysis/security tools
• Understanding of SOA, service buses, microservices, and distributed systems
• Knowledge of Docker and Kubernetes
• Knowledge of OAuth 2.0, OpenID Connect, and JWT
• Experience with cloud services, including serverless, storage, and managed Kubernetes
• Experience with AI-assisted coding tools such as Amazon Q or Kiro
• Strong troubleshooting, analytical, communication, and collaboration skills
• Ability to work independently and within international, multicultural teams
• Knowledge of public grants or audit management will be a strong advantage
• Experience with Camunda or Activiti will be a strong advantage
• Knowledge of European open-source/reusable components will be a plus
• Knowledge of system analysis and project management will be a plus