Senior Full-Stack Developer, Brussels (on-site) - MAIA

• Design and define the application, security and integration architecture required to support the HR Data Analytics Platform and associated services.
• Analyse business and technical requirements and translate them into scalable, secure and maintainable technical solutions.
• Develop and maintain backend services, RESTful APIs and integration components using Java, Spring Boot and related technologies.
• Implement authentication, authorization and identity federation solutions based on OAuth2, OpenID Connect (OIDC) and JWT standards.
• Integrate applications and services with Microsoft Entra ID, EU Login and other enterprise identity providers.
• Design and implement role-based access control (RBAC), user management capabilities and authorization policies.
• Develop and maintain Angular-based user interfaces, ensuring responsive, accessible and user-friendly experiences.
• Integrate frontend applications with backend APIs and implement secure session management, validation and error-handling mechanisms.
• Develop and maintain integrations with Microsoft cloud services and other external platforms supporting the analytics ecosystem.
• Implement secure service-to-service communication, secret management and cloud-based configuration practices.
• Ensure application security, performance, scalability and maintainability through secure coding practices and technical optimizations.
• Implement audit logging, monitoring and observability capabilities to support operational excellence and compliance requirements.
• Develop automated unit, integration and system tests to ensure solution quality, reliability and stability.
• Support user acceptance testing, security assessments, penetration testing activities and remediation actions.
• Prepare deployment packages, deployment and rollback procedures, and contribute to CI/CD pipeline implementation and automation.
• Investigate, troubleshoot and resolve application, integration and production issues, ensuring effective incident management.
• Produce architecture documentation, technical specifications, API documentation, configuration guides and operational procedures.
• Deliver knowledge transfer sessions and contribute to the creation of support, operations and maintenance documentation.
• Provide regular progress updates, contribute to project status reporting and participate in technical workshops and design reviews.
• Collaborate with architects, developers, security specialists, business stakeholders and product teams to ensure successful solution delivery.

Language: Services will be provided in English. Consultants must have at least a C1 level, in accordance with the Common European Framework of Reference for Languages (CEFR).

Minimum post-secundary education required: At least 3 years of studies attested by a diploma.

Minimum professional experience required: a minimum of 5 years postsecondary professional experience., Java Backend Development

• Minimum 4 years of experience in Java development.
• Strong expertise in Java 17 or later.
• Strong expertise in Spring Boot.
• Strong expertise in Spring Security.
• Strong experience in REST API design and development.
• Experience with Maven and/or Gradle.
• Experience with API versioning and API lifecycle management.

Identity and Access Management

• Strong knowledge of OAuth2.
• Strong knowledge of OpenID Connect (OIDC).
• Strong knowledge of JWT.
• Experience implementing Single Sign-On (SSO) solutions.
• Experience implementing Role-Based Access Control (RBAC).
• Experience integrating enterprise identity providers.
• Experience with Microsoft Entra ID.
• Experience with service principals and application registrations.

Frontend Development

• Minimum 3 years of Angular development experience.
• Strong knowledge of TypeScript.
• Experience with Angular component architecture.
• Experience integrating Angular applications with REST APIs.
• Experience implementing secure web applications.

Cloud and Integration Technologies

• Experience integrating cloud services through REST APIs.
• Experience with Microsoft Azure services.
• Experience implementing secure service-to-service communication.
• Experience with secret management and secure configuration practices.

DevOps and Quality Assurance

• Experience with Git.
• Experience with CI/CD pipelines.
• Experience with automated testing frameworks.
• Experience with Docker.
• Experience with application monitoring and logging.

Nice-to-Have Skills:

• Experience with Microsoft Fabric.
• Experience with Azure Key Vault.
• Experience with API Gateway technologies.
• Experience with enterprise architecture frameworks.
• Experience in analytics or data platform projects.

Certifications:

• Oracle Certified Professional Java Developer.
• Spring Professional Certification.
• Equivalent recognised certification in enterprise Java development.