Tech Lead Solution Architect

h3Tech Lead Solution Architect (Senior)
- RVA ONEM /h3 pbDates: /b — /p pbArrangements: /b Full time; hybrid. No onsite frequency specified. /p pONEM-RVA is seeking a Senior Tech Lead Solution Architect for its transversal architecture team. The assignment combines technical leadership with attention to business and operational needs. The architect will define reference architectures and oversee their evolution. Development-team coaching and skills development form part of the mission. /p pThe technical landscape includes Java, TypeScript, Angular, Spring Boot and container technologies. Responsibilities cover service indicators, objectives and agreements, technical debt and technology evolution. The architect will support strategic projects and business requirements specification. Security and information-management regulations also fall within the scope. /p pThe assignment runs from 23 November 2026 to 31 December 2027 on a full-time hybrid basis in Brussels. Candidates need at least 15 years in Java development and its ecosystem, plus 10 years of successful Team Lead experience. Recent successful Spring backend migration architecture and complete project lifecycle management must be demonstrated. A CV and a sufficient response to the supplied Java exercise are required; social-security experience is strongly desired. /p h3Top Reasons to Apply /h3 h3Lead transversal architecture /h3 h3Shape technology evolution /h3 h3Drive Spring modernization /h3 h3Develop engineering teams /h3 h3Support public services /h3 pResponsibilities /p pLead transversal architecture teams /p pCoach development teams and develop skills /p pDefine reference architectures and evolution /p pEstablish SLI/SLO/SLA, delivery strategies and monitoring /p pOversee strategic projects /p pSupport business requirements specification /p pDefine and implement technology evolution and technical-debt strategy /p pMonitor and implement security and information-management regulations /p pMust Have /p pJava

experience:
15 years /p pOperational business technology interest /p pScrum/project management training /p pTeam Lead: ten years /p pRecent Spring migration architecture /p pNice to Have /p pSocial-security domain knowledge /p pONEM responsibility knowledge /p pSocial-security

experience:
one year /p h3Detailed Responsibilities and Skills /h3 h3Additional Responsibilities /h3 ul liAlign architecture with operations /li liCollaborate with infrastructure teams and external partners /li liCollect procurement requirements and evaluate products /li liProvide internal training modules /li liDemonstrate proven leadership capabilities. /li liShow strong interest in operational and business aspects as well as technology. /li liHold a bachelor degree with a computing focus. /li liHave completed at least Scrum Master training and/or ICT IT project-management training; a professional certification is not explicitly required. /li liHave Solution Architect experience; portal lists Expert Application Architect with most recent experience at any time. /li liProve successful Team Lead experience of 10 years. This is a Team Lead threshold, not a stated 10-year Solution Architect threshold. /li liDemonstrate management of the complete lifecycle of that migration project. /li liAgile methodologies. Expert level and recency at any time are specified in the portal for Agile, Coaching and leadership Team Management. /li liIndividual/team coaching. Expert level and recency at any time are specified in the portal for Agile, Coaching and leadership Team Management. /li liNeeds analysis. Expert level and recency at any time are specified in the portal for Agile, Coaching and leadership Team Management. /li liOut-of-the-box thinking. Expert level and recency at any time are specified in the portal for Agile, Coaching and leadership Team Management. /li liLeadership/team management. Expert level and recency at any time are specified in the portal for Agile, Coaching and leadership Team Management. /li liActive knowledge of English. /li liActive knowledge of French. /li liSubmit a CV in addition to a response to the exercise. /li liKnowledge of social-security specificities is a major advantage. /li liKnowledge particularly of ONEM responsibilities is a major advantage. /li liAt least one year of successful experience in a social-security institution is very strongly desired, not stated as mandatory. /li /ul h3Technical skills /h3 ul liAt least 15 years of experience in development and the Java ecosystem. /li liDemonstrate recent successful implementation of an architecture for migrating a backend system to a modern Spring technology stack. /li liExpert-level Java competency. Portal recency: any time. Angular is misspelled “Angluar” and OAuth2/OIDC “OAauth2/OIDC” in the portal skills list. /li liExpert-level TypeScript competency. Portal recency: any time. Angular is misspelled “Angluar” and OAuth2/OIDC “OAauth2/OIDC” in the portal skills list. /li liExpert-level