Job Description

Mission Overview:

Keystone Solutions is seeking a Junior Java Developer for a consultancy mission at a client site. The role involves adapting existing Java applications to evolve from DMFA to LTDS. As a consultant, you will work on dynamic projects that offer diverse challenges across various client environments.

Key Responsibilities:

• Make necessary adaptations to existing Java applications.
• Utilize Java, Gradle, SpringBoot, Spring, Hibernate, and GWT in your development work.
• Work with DB2 and PostgreSQL databases, requiring a good understanding of these RDBMS.

Requirements:

• 3+ years of experience in Java development.
• Proficiency in Java, Gradle, SpringBoot, Spring, Hibernate, and GWT.
• Good knowledge of DB2 and PostgreSQL.
• Experience in Social Security and familiarity with Fedris is a plus.

Why Join Keystone Solutions:

• Consultancy Nature: Focus on on-site work and embodying the consultant identity.
• Dynamic Projects: Engage with a variety of challenges across different client environments.
• Turbo-Charged Learning: Benefit from professional development and broad learning experiences.
• Skyrocketing Ambition: We are committed to your career growth within our framework.
• Values: Being a 'K-Stone' means bringing our core values to every engagement.

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal

Duration: 06/07/2026 - 31/12/2026 6 months • (full time)

Skills required:

• DB2 - Level: Junior - Most recent: Any time
• gradle 5.x - Level: Junior - Most recent: Any time
• GWT 2.7 - Level: Junior - Most recent: Any time
• Hibernate 5.5.X - Level: Junior - Most recent: Any time
• Java 8 and a view on Java 11 - Level: Junior - Most recent: Any time
• PostgreSQL - Level: Junior - Most recent: Any time
• Spring 5.3.X - Level: Junior - Most recent: Any time
• Spring Boot 2.7.X - Level: Junior - Most recent: Any time

Language requirements:

Dutch
Level Passive knowledge
English
Level Passive knowledge
French
Level Active knowledge