Fullstack Developer

Keystone Solutions

Brussel

Sur place

EUR 65 000 - 90 000

Plein temps

Il y a 2 jours

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Résumé du poste

Keystone Solutions seeks experienced Fullstack Developers (Angular/Spring) for a client-site consultancy mission in Belgium. You will develop business apps and modernize existing portfolios with focus on security, maintainability, and performance.

Requirements include 5+ years in Angular (9+) and Spring Boot, with hands-on experience across Java/J2EE and modern web stacks. This full-time engagement runs for seven months starting Oct 2026, based on client sites in Brussels area.

Qualifications

5+ years of experience in Angular (9+).
5+ years of experience in Spring Boot.

Responsabilités

Develop new applications using Angular (17+) and Spring Boot, while maintaining legacy technologies (Java EE, JSF, Access).
Modernize or rewrite functionalities and develop new features as required.
Contribute to modernization of HR data management platforms and reference architecture.
Focus on modernizing data models, integration flows, and secure, high-quality data handling.

Connaissances

Angular

Spring

Java

Javascript

REST

SQL

HTML

CSS

.Net

Description du poste

Mission Overview

Keystone Solutions is seeking experienced Fullstack Developers (Angular/Spring) for a consultancy mission at a client site. In this role, you will support the development of business applications and the modernization of existing application portfolios, with a strong focus on enhancing security, maintainability, performance, and technical sustainability.

Key Responsibilities

Support the team based on needs and planning, working closely with existing development teams.
Engage in various projects involving different applications and processes.
Modernize or rewrite existing functionalities and develop new features as required.
Contribute to the modernization of the HR data management platform (Persys/Syspers), ensuring it evolves into a reference architecture for HR data used by applications.
Focus on modernizing data models, integration flows, and the gradual migration of existing applications while ensuring data security, quality, and consistency.
Develop new applications systematically using Angular (17+) and Spring Boot, while also working with legacy technologies (Java EE, JSF, Access, manual processes).

Requirements

Minimum 5+ years of experience in Angular (9+).
Minimum 5+ years of experience in Spring (Boot).

As a consultant at Keystone Solutions, you will experience dynamic projects across various client environments, turbo-charged learning opportunities, and a commitment to career growth.

Duration

15/10/2026 - 05/05/2027 7 months

Contract