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# Senior Full Stack Java Developer

- **Company:** Keystone Solutions
- **Location:** Namen, Belgium
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Agile Methodology, Applications Architecture, Business Software, Data Migration, Oracle (Applications), Scrum Methodology, Standard Sql, Application Data, Simple Object Access Protocol (SOAP), PL-SQL, Spring-boot, AngularJS, Restful APIs
- **Published:** October 8, 2026
- **Apply:** https://www.adzuna.be/details/5918635666

## About the Role

* 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., * 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)

## Description

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., * 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., 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