Solution Architect (Java, Enterprise Integration & API Architecture)

This position is for a long-term international project with a European Union Organisation, focusing on the evolution and governance of the European ecosystem to support large-scale interoperability solutions used by public administrations and organisations across Europe.

• Higher education (Bachelor's, Engineer's or Master's degree).
• English language proficiency at minimum C1 level (CEFR).
• Minimum 8 years of experience in Software Architecture.
• Minimum 10 years of experience with backend technologies and frameworks including Java, Python, Spring, Spring Boot, and Hibernate.
• Minimum 8 years of experience with Enterprise Applications and Middleware.
• Minimum 8 years of experience in API Management including REST, SOAP, and OpenAPI.
• Minimum 8 years of experience designing and implementing Distributed Transactional Systems.
• Minimum 8 years of experience with Relational Databases including Oracle, PostgreSQL, and MySQL.
• Minimum 8 years of experience with Networking Concepts and Protocols.
• Minimum 5 years of experience with Observability and Monitoring practices.
• Minimum 5 years of experience with Docker and containerisation technologies.
• Experience designing scalable and extensible enterprise solutions.
• Experience communicating and enforcing architectural decisions across multiple teams.
• Experience providing technical leadership and mentoring development teams.
• CV submission required in Europass format.

Nice to have:

• Experience with OASIS ebMS3, AS4, SMP, BDXL, ebCore PartyId, Domibus, DomiSMP, DomiSML.
• Experience with European Institutions, international organisations, or large public administrations.
• Experience in architecture governance and enterprise-scale environments.
• Experience leading technical teams.
• Certification in Java enterprise architecture and/or software development.
• French language skills at minimum B2 level.

• Design and develop business and technical architectures aligned with business needs.
• Define measurable non-functional requirements including scalability, security, reliability, and maintainability.
• Ensure integrated and coherent technical approaches across eDelivery specifications, products, and processes.
• Collaborate to gather, analyse, and refine business and technical requirements.
• Evaluate and select technologies, frameworks, and architectural patterns.
• Create and maintain architectural artefacts including Solution Context Diagrams, C4 Architecture Models, API Contracts, Data Models, Threat Models, and Deployment Diagrams.
• Define integration patterns, data flows, and API standards.
• Ensure compliance with enterprise architecture principles and secure-by-design practices.
• Guide development teams during implementation and deployment.
• Conduct architecture and code reviews.
• Support development of security architectures including identity management, encryption, secrets management, and threat modelling.
• Implement observability practices such as logging, monitoring, metrics, and distributed tracing.
• Incorporate resiliency patterns like retries, fault tolerance, and circuit breakers.
• Identify, assess, and mitigate technical risks.
• Contribute to DevSecOps processes, CI/CD pipelines, release management, and continuous improvement.
• Produce and maintain technical documentation, specifications, and presentations in English.
• Provide technical leadership and architectural guidance across multiple teams.

Application requires CV in Europass format. Work is mostly remote within the European Union with occasional travel to Brussels (maximum two physical meetings per year).