Senior Full Stack Java Developer
Keystone Solutions · Namur, Belgium
Mission Overview:
We are seeking a Senior Full Stack Java (Spring Boot) / Angular Developer for a consultancy mission at a client site representing Keystone Solutions. The project involves replacing an outdated business application with a new regulatory management application focused on complete traceability of files from origin to final decision. The current application data will be migrated to the new system.
Responsibilities:
- Participate in backlog refinement and contribute to functional analysis.
- Design the data model and application architecture in collaboration with the architect.
- Develop back-end services, back-office screens, integration with the existing online portal, and interfaces with third-party systems.
- Address security requirements related to the application's external exposure.
- Implement tests and correct anomalies.
- Perform data migration.
- Deploy on the client’s environments.
- Document according to client standards.
- Participate in agile ceremonies.
Deliverables:
- Tested application increments at each iteration.
- Versioned and documented source code.
- Up-to-date technical and functional documentation.
- Data migration scripts and reports.
Requirements:
- 5+ years of experience in full stack development with Java (Spring Boot) and Angular.
- Strong understanding of agile methodologies.
- Experience with data migration and integration with third-party systems.
- Ability to communicate clearly in French with non-technical business users.
- Teamwork skills with analysts, Scrum Masters, and business stakeholders.
- Autonomy and sense of responsibility.
- Attention to detail and documentation rigor.
- Analytical and synthesis skills.
Keystone Solutions Advantages:
As a consultant at Keystone Solutions, you will work on dynamic projects that offer a variety of challenges across different client environments. This role provides turbo-charged learning opportunities and a commitment to your career growth within our framework. Being a
If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
Duration: 01/12/2026 - 30/11/2027 12 months • (full time)
Skills required:
- Applications de gestion de dossiers réglementaires (workflows, historisation, traçabilité) - Level: T1 - Junior - Most recent: Any time
- Bases de données relationnelles (Oracle, PLSQL) et langage SQL
- (mandatory) - Level: T2 - Confirmed - Most recent: Any time
- Conception d'architecture applicative et de modèles de données - Level: T2 - Confirmed - Most recent: Any time
- Développement back-end Java avec Spring Boot (services, API REST)
- (mandatory) - Level: T3 - Senior - Most recent: Any time
- Développement front-end Angular
- (mandatory) - Level: T2 - Confirmed - Most recent: Any time
- Données géographiques et intégration cartographique - Level: T1 - Junior - Most recent: Any time
- Intégration de services web (REST, SOAP) avec des systèmes tiers
- (mandatory) - Level: T2 - Confirmed - Most recent: Any time
- Méthodes agiles (Scrum) et contribution à l'analyse fonctionnelle - Level: T1 - Junior - Most recent: Any time
- Sécurité applicative (authentification, gestion des droits, exposition vers l'extérieur) - Level: T1 - Junior - Most recent: Any time
- Tests automatisés (unitaires, intégration) et intégration continue - Level: T2 - Confirmed - Most recent: Any time
Language requirements:
French
(mandatory)
Level Proficiency (C2)