Junior Full Stack Java Developer

Mission Overview: Keystone Solutions is seeking a Junior Full Stack Java (Spring Boot) / Angular Developer for a consultancy mission at a public administration client. This role involves replacing an old business application with a new regulatory management application focused on complete traceability of files from their origin to the final decision. The current application data will be migrated to the new system. Responsibilities: As a consultant, you will be responsible for: • Participating in backlog refinement and contributing to functional analysis. • Designing the data model and application architecture in collaboration with the architect. • Developing back-end services, back-office screens, integration with the existing online portal, and interfaces with third-party systems. • Considering security requirements related to the application's external exposure. • Implementing tests and correcting anomalies. • Carrying out data migration. • Deploying on the client's environments. • Documenting according to the client's standards. • Participating in agile ceremonies. Deliverables: You will deliver: • Tested application increments at each iteration. • Versioned and documented source code. • Up-to-date technical and functional documentation. • Data migration scripts and reports. Work Environment: This position requires mandatory presence from 9:30 AM to 12:00 PM and from 2:00 PM to 4:00 PM, with an 8-hour workday. A detailed activity plan will be established within 10 calendar days of the start date. The data processed is confidential and includes personal data. Soft Skills: The ideal candidate will possess: • Clear communication skills in French with non-technical business users. • Teamwork abilities with the analyst, Scrum Master, and business stakeholders. • Autonomy and a sense of responsibility. • Attention to detail and thorough documentation practices. • Analytical and synthesis skills. Evaluation Method: CVs will be analyzed based on the required skills; mandatory skills are eliminatory. Technical interviews will be conducted with shortlisted candidates. 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: • Contribution l'analyse fonctionnelle avec des utilisateurs mtier - Level: T1 - Junior - Most recent: Any time • Dveloppement front-end Angular • (mandatory) - Level: T1 - Junior - Most recent: Any time • Dveloppement Java avec Spring Boot • (mandatory) - Level: T1 - Junior - Most recent: Any time • Langage SQL et bases de donnes relationnelles • (mandatory) - Level: T1 - Junior - Most recent: Any time • Mthodes agiles (Scrum) - Level: T1 - Junior - Most recent: Any time • Services web (REST) - Level: T1 - Junior - Most recent: Any time • Tests unitaires - Level: T1 - Junior - Most recent: Any time Language requirements: French (mandatory) Level Proficiency (C2)