Full-stack Developer
Posting Start Date: 29 Oct 2025
Location: Brussels, BE
Company: Serco Plc
Package Description
- Competitive Salary
- Corporate Benefits Package
- Chance to make a positive difference in a company passionate about diversity and inclusion.
Further information available from the Serco Europe Recruitment Team
Job Introduction
Serco is the preferred partner for European Institutions and International Organisations, offering ICT services and Contact Centre management across Europe. Our expertise extends from Information System support to consultancy under the government framework, supporting key entities such as the European Commission and Executive Agencies. As a leader in Service Integration and Management, we ensure seamless delivery of services across various platforms, embodying our commitment to excellence in every aspect of our work.
We are hiring a Full-stack Developer for the European Commission in Brussels and various locations around Europe.
Key Responsibilities
- Development of front-end website architecture.
- Design of user interactions on web pages.
- Development of back-end website applications.
- Implement core business logic
- Creation of servers and databases for functionality.
- Understanding and implementation of security and data protection.
- Cross-platform optimisation.
- Design responsive applications.
- Design and develop APIs.
- Participating in the design and creation of scalable software.
- Taking lead on projects, as needed.
- Maintenance of code integrity and organisation.
- Writing clean, functional code on the front- and backend.
Key Responsibilities Extension
| At least 10 years of specific expertise in | Front-end: VueJS 3, VueX, JavaScript/Typescript, HTML, CSS. |
| At least 10 years of specific expertise in | Back-end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate. |
| At least 6 years of specific expertise in | Architecture & Integration: Microservices Architecture, API-driven Development, AS4. |
| At least 6 years of specific expertise in | Database: MongoDB , PostgreSQL, Virtuoso Triple Store, Opensearch. |
| At least 6 years of specific expertise in | Containerization & Orchestration: Docker, Kubernetes. |
| At least 5 years of experience in | Security: OpenID Connect, OAuth2, TLS, Keycloak. |
| At least 6 years of specific expertise in | Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven. |
| At least 5 years of specific | DevOps & Cloud: CI/CD pipelines, GitLab, AWS Cloud (CodeBuild, |
| expertise in | Secret manager, EKS, CloudFront, etc), Terraform. |
| At least 10 years of specific expertise in | Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint |