Java Developer Consultant

BelgiumBelgium·Charleroimid
Java DeveloperSoftware Engineering
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Quick Summary

Key Responsibilities

Design and develop complex features using Java 21+ and Spring Boot. Build modern and responsive interfaces using Angular while maintaining existing JSF assets.

Requirements Summary

EnglishLevel Active knowledgeFrenchLevel Native

Technical Tools
Java DeveloperSoftware Engineering

Keystone Solutions is seeking a Java Developer for a consultancy mission at a client site. As part of the team, you will actively contribute to the evolution of a family allocation management platform. You will be involved in the entire application lifecycle, from technical design to production deployment, with a particular focus on backend robustness and user experience fluidity.


Responsibilities

~1 min read

  • →Design and develop complex features using Java 21+ and Spring Boot.
  • →Build modern and responsive interfaces using Angular while maintaining existing JSF assets.
  • →Ensure software quality through unit/integration testing and peer code reviews.
  • →Manage data persistence via Hibernate and optimize queries to ensure performance.
  • →Participate in the design and exposure of secure and scalable REST APIs.
  • →Engage in continuous integration and deployment within the OpenShift environment.
  • →Collaborate closely with business analysts to translate legislative needs into elegant technical solutions.
  • →Contribute to the automation of development processes using CI/CD tools (GitLab, Jenkins, Renovate).
  • →Ensure code compliance through SonarQube.
  • →Propose modernizations to the technical stack and optimize application performance.


  • Technical Skills:
    Backend: Java 21+, Spring/Spring Boot/Spring Batch, Hibernate, RabbitMq, Oracle/Postgres, XML, Junit/Selenium.
    Frontend: Angular, Vue.js, JSF/Primefaces.
    Environment: GitLab, Jenkins, OpenShift, JIRA/Confluence, Maven, SonarQube, Renovate, Kibana, Prometheus.
    API: Real experience in consuming and creating REST services. Knowledge of networking and infrastructure is a plus.
  • Business Skills:
    In-depth knowledge of family allocation funds (business processes, legislation, data flows) is a major asset for understanding the challenges of the Itinera application.
  • Soft Skills:
    Autonomy: Ability to take ownership of a subject from start to finish.
    Team Spirit: Enjoy sharing knowledge and learning from colleagues.
    Precision: Place great importance on code cleanliness and documentation.

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

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


  • Angular - Level: Confirmed - Most recent: Any time
  • Hibernate - Level: Expert - Most recent: Any time
  • Java 21+ - Level: Expert - Most recent: Any time
  • Openshift - Level: Expert - Most recent: Any time
  • PrimeFaces - Level: Expert - Most recent: Any time
  • Scrum - Level: Confirmed - Most recent: Any time
  • Springboot - Level: Expert - Most recent: Any time

Requirements

~1 min read

English
Level Active knowledge
French
Level Native

Location & Eligibility

Where is the job
Charleroi, Belgium
On-site at the office
Who can apply
BE

About this job

Who can apply
Belgium
Posted
Today
Employer
has 815 open jobs on Jobera.

Listing Details

First seen
November 3, 2026
Last seen
November 3, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
56%
Scored at
November 3, 2026

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Java Developer Consultant