Full-Stack Developer

Java Development:

• Upgrading from Java 8 to Java 17 or a higher version
• Developing vendor-agnostic portable applications

Spring Boot:

• Developing back-end applications.
• Integrating Spring Boot applications with external services
• Deploying Spring Boot applications on Apache Tomcat

API Development:

• Developing OPENAPI-compliant Java-based REST APIs, and integrating with existing RESTful services.
• Designing and implementing APIs beyond traditional REST, including query-based (e.g. GraphQL, SPARQL) and asynchronous interaction patterns.

Credential Management:

• Securing applications and using secrets management tools like Hashicorp Vault.
• Refactoring code to retrieve secrets securely from an external tool.

Dependency Management:

• Using Maven to manage Java project dependencies.

Database Integration:

• Working with Oracle databases and PostgreSQL, including data migration strategies.
• Querying and updating relational databases (Oracle, PostgreSQL)

Containerization:

• Containerizing applications with Docker, ideally with solutions compatible with cloud-agnostic environments.

Messaging Platforms:

• Integrating with Message Broker message streams (e.g. Kafka) used in distributed event systems and asynchronous architectures.
• Manage and define versioned data schemas in distributed events context..

Continuous Integration/Continuous Deployment (CI/CD):

• Following CI/CD practices for automated testing, integration, and deployment.
• Using GIT code repositories and delivery processes

Licensing and Compliance:

• Working with licensing and compliance aspects and constraints of integrated components and dependencies.

Framework Refactoring:

• Refactoring applications from WebLogic to Tomcat.

Testing and Validation:

• Testing and validation of application changes
• Front-end testing with tools such as Mocha, Jest, Jmeter,or Cypress
• Back-end testing with tools such as JUnit, Mockito, Postman, and Testcontainers

Documenting and Communication:

• Documenting code and system configurations.
• Communication and collaboration with other teams and stakeholders.
• Providing modern, developer-friendly API documentation that includes an interactive sandbox, clear integration examples, and structured tagging based on current best practices.

Frontend Development:

• Using modern JavaScript frameworks, specifically Angular and potentially eUI
• Proficient use of HTML, CSS3, responsive and accessible design principles.
• Working with frontend build tools like Webpack or Vite.

Cloud Platforms & Monitoring:

• Development and integration of AWS, Azure, or GCP.
• Implementing services using SaaS and CaaS hosting.
• Integrating monitoring and logging tools such such as the ELK stack.
• Monitoring data-flows and behaviours of event-based or asynchronous systems

Agile & Collaboration:

• Working in Agile/Scrum environments.
• Using tools like Jira, Confluence, Sharepoint and Teams for team collaboration.

Education

· Bachelor or equivalent degree of at least 3 successful years of post-high school education in Information Technology or Computer Science or Computing (EQF level 6)

or 2 years of professional experience in addition to experience required in section “Experience” below, for each missing year of required years of post-high school education.

Languages

· Very good knowledge of English (Level C1 – Common European Framework of Reference for Languages).