JJobsSonar

Front-end Back-end Java/Angular developer

Sansaone · West Flanders, Flemish Region, Belgium

Frontend Engineering

About this role

The candidate will be responsible for the analysis, development, and maintenance of the mypension application, ensuring alignment with stakeholder needs and department standards. This is a Fullstack role covering backend, frontend, and DevOps responsibilities. The technical environment includes Java 24+, Spring Boot, Angular 22+, and reactive programming with Project Reactor. The developer will also contribute to the training and integration of junior team members. Key architectural patterns include Hexagonal architecture, Domain-Driven Design, and CQRS. Testing and delivery are managed through TDD, Playwright, and CI/CD pipelines on GitLab.

Skills & technologies

Read full description

Function

  • Analysis, development, and maintenance of our mypension application, aligned with department standards and the needs of our stakeholders (the organization, citizens, politicians...).
  • You will also contribute to the training and integration of junior team members into the team.

Technical and generic competencies

As a software developer, you will take on a Fullstack role (backend, frontend, DevOps).

Regarding the backend of the application, you must possess the following knowledge:

  • Java 24+
  • Spring / Spring Boot
  • Reactive programming with Project Reactor
  • Enterprise Java background: JBoss / Jakarta EE
  • SQL
  • Transaction management

Regarding the frontend of the application, you must possess the following knowledge:

  • TypeScript
  • Angular 22+: signals, signal forms
  • Designing reusable frontend libraries / shared components
  • Translating Figma designs into working UI

For our architecture and API design, you need to have a solid knowledge of:

  • Hexagonal architecture (ports and adapters)
  • Domain-Driven Design
  • CQRS
  • Anti-corruption layers when integrating with external systems
  • Backend-for-frontend pattern
  • API design, OpenAPI

For the security aspect, it is necessary to possess the following knowledge:

  • Privacy by design
  • OWASP top 10
  • OIDC/Oauth2
  • It is important that we take the accessibility of mypension into account.

You therefore need to have knowledge of the following aspects:

  • Designing accessible interfaces, WCAG
  • Testing for accessibility

In your role as a tester, you must master the following activities:

  • Test-driven development
  • Unit testing
  • Integration testing
  • Component testing
  • End-to-end and visual regression testing with Playwright

In order to manage the integration and delivery of our application, you must master the following tools and methods:

  • Git
  • Gradle
  • Maven
  • Containers
  • CI/CD pipelines on GitLab
  • Trunk-based development
Ready to apply?Apply now

Similar Frontend Engineering jobs

All Frontend Engineering jobs

Frontend Developer

RG Talent Inc · Des Moines, IA

Frontend EngineeringSep 11, 2026

Front-End Engineer

HelloGov AI, Inc. · Miami, FL

Frontend Engineering$100,000.00/yr - $120,000.00/yrSep 2, 2026

Frontend Engineer

Glocomms · New York, NY

Frontend Engineering$140,000.00/yr - $180,000.00/yrSep 1, 2026