We are looking for a medior Kotlin and Java developer to strengthen our Sirius development team. This is an Agile IT team, working in a physical space close to the business team impacted by the IT applications. This cross-functional team is responsible for the development and maintenance of product applications in Java and Kotlin. An important project for this team is the separation of a monolithic application into clearly separated domains.

The main responsibilities of the candidate will be:

• Adapting existing code or creating new code
• Refactoring existing code when appropriate
• Creating and executing unit and components testing of the code
• Managing the deployment of new or updated features
• Refining functional and non-functional requirements into user stories
• Defining solution options and evaluating them
• Actively contributing to defining and extending the most suitable architecture for the domain
• Coaching and supporting other developers
• Ensuring the quality of the developed application

The candidate has significant experience in the following areas:

• Experience in coaching an Agile team
• Experience in coaching in Xtreme programming (XP), specifically pairing and mobbing
• Experience in creating and facilitating coding katas
• Active knowledge of object-oriented languages (Java and Kotlin)
• Experience with archiving systems and integration with external systems (e.g., mypension, ebox…)
• The ability to understand technical design (C4 diagram)
• The ability to learn the implementation of complex systems
• Knowledge of SQL
• Advanced experience with Git
• Advanced experience in hexagonal / clean architecture
• Production experience with Kotlin (coroutines, Result4k)
• Advanced experience with TDD
• Advanced experience with springboot
• Development experience in an Agile team with an incremental approach
• Ability to create technical design based on analysis
• The ability to understand and implement complex algorithms
• Ability to break down necessary application changes into code increments that can be delivered in a short timeframe
• Production experience with the Java ecosystem
• J2E stack (ORM/hibernate, CDI), JBoss is a plus
• Knowledge of SOAP and REST webservices
• Knowledge of quality assurance processes and tools (e.g., Selenium)
• Experience with setting up monitoring with Prometheus and Grafana
• Facilitation skills (reading groups, retrospectives, business meetings)
• Use of Miro
• CI/CD experience with Jenkins (pipeline definition with containerization)
• Experience with Vaadin
• Experience with AMQ-based systems using advanced options (outbox and deduplication)
• Experience in Event sourcing
• Deployment experience with XLDeploy is a plus
• Experience working in the public sector is required
• Experience in Web application development (front-end in Angular, back-end in Java) with UI/UX design in Figma
• Experience in development of containerized applications

The candidate is:

• Capable of working in pair or mob 100% of the time
• Willing and perseverant
• Assertive
• A team player
• Curious
• Motivated to bring added value to the organization
• Professional: the ability to accept community choices even if they differ from their own. Express why their preferences differ in a constructive way
• Accepts feedback
• Is able to provide constructive feedback
• Is ready to take initiatives
• Active listener
• Sensitivity to public service (citizen is key)

Experience in the public sector is a significant asset.

The CV should mention the 3 most important points of an agile method for the candidate.

The assignment requires a physical presence of at least 2 days per week at the SFP offices in Brussels.