Senior Full-Stack Developer, Brussels (on-site) – MAIA
Profile: Senior Full-Stack Developer with strong expertise in Java/Spring Boot, Angular, enterprise authentication and authorization mechanisms, API development, cloud integration and secure application architecture.
Location: On-site (Brussels).
Duration: 130 days.
Rate: 430€/day.
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.
Responsibilities:
- 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.
Specific knowledge, skills and expertise:
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.
Microsoft Certified: Azure Developer Associate is considered a plus.
