Senior Full Stack Java Developer

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 The project involves replacing an outdated business application with a new regulatory management application focused on complete traceability of files from origin to final decision.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 clients 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 rglementaires (workflows, historisation, traabilit) - Level: T1 - Junior - Most recent: Any time • Bases de donnes relationnelles (Oracle, PLSQL) et langage SQL • (mandatory) - Level: T2 - Confirmed - Most recent: Any time • Conception d'architecture applicative et de modles de donnes - Level: T2 - Confirmed - Most recent: Any time • Dveloppement back-end Java avec Spring Boot (services, API REST) • (mandatory) - Level: T3 - Senior - Most recent: Any time • Dveloppement front-end Angular • (mandatory) - Level: T2 - Confirmed - Most recent: Any time • Donnes gographiques et intgration cartographique - Level: T1 - Junior - Most recent: Any time • Intgration de services web (REST, SOAP) avec des systmes tiers • (mandatory) - Level: T2 - Confirmed - Most recent: Any time • Mthodes agiles (Scrum) et contribution l'analyse fonctionnelle - Level: T1 - Junior - Most recent: Any time • Scurit applicative (authentification, gestion des droits, exposition vers l'extrieur) - Level: T1 - Junior - Most recent: Any time • Tests automatiss (unitaires, intgration) et intgration continue - Level: T2 - Confirmed - Most recent: Any time Language requirements: French (mandatory) Level Proficiency (C2)