Keystone Solutions
Full-stack developer Java / Angular (I10207)
Skills
3 days ago
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Important information
Contract type:
Permanent
Location:
Brussels, Belgium
Work mode:
Onsite
Published on:
16 October 2026
What they need
Regular
In the context of a major business transformation program, we are looking for a senior java developer to reinforce the existing teams.
As a senior developer, you will join a department of about 70 people (in evolution) to ensure the hand-over, refactoring and/or greenfield development of business applications.
The developer we're looking for will be responsible for the development of Java applications, supporting the analysts and business objectives, while providing expertise in full-stack software development lifecycle, from concept and design to testing.
Responsibilities :
- Development / Maintenance of business applications
- Development of application components/webservices
- Contribute in the design of architecture components and building blocks (in close collaboration with technical lead or senior software architects)
- Participation in technical working groups, Scrum meetings and meetings with the users if needed
- Assistance in the testing, the technical documentation, the deployment, the evaluation and the reporting (JUnit, JIRA)
Experiences
- Minimum 5-7 years of full-time professional Java Development experience is required (Full-stack preferred)
- Familiarity with multi-system integration and complex environments
- Experience within a project team producing greenfield applications (from scratch) Competencies : Technical knowledge and practical experience of required technologies to be able to start development and support directly (below) :
- Java and Spring Framework
- JPA (with Hibernate as implementation)
- Security patterns (Spring security)
- Soap and RESTful Web Services
- Spring Batch
- SOA, microservices, CQRS
- Test driven development (Junit, Spring, CI, Mockito, Cypress, Selenium)
- Frontend (HTML/CSS/JavaScript, Angular) & backend abilities
- Maven, Jenkins, Docker, Openshift, SVN or GIT and Eclipse or IntelliJ, Sonar, JBoss, Tomcat...
- Experience with relational database and O/R mapping: PostgreSQL, SQL Server,
- Able to read and understand BPMN, UML & documentation practices
- Jira/Confluence
- A knowledge in the following technologies would be a nice to have, but not required: Talend, ZK, Oracle, Kafka
- Familiar with AGILE/SCRUM methodologies, test-driven development and continuous integration
- Problem solver, able to quickly understand existing code
- Solution and customer oriented
- Ability to integrate easily into an existing team and to supervise juniors
Mission & Working hours
- We are based in Brussels (just in front of Midi Station).
- This will be an initial contract until 30/06/2024 - The mission is long term and can be extended beyond 2024
- 5 days from Monday until Friday (up to 9h per day on site). Homeworking is possible (3 days a week - 7h48).
Languages
- French or Dutch: active knowledge (understanding / speaking / writing technical documentation / reading) of one language.
- English (written / team communication): active knowledge
Duration: As soon as possible - 31/12/2027 15 months
- (full time)
Skills required:
- Agile / Scrum - Level: Junior - Most recent: Any time
- Angular - Level: Confirmed - Most recent: Any time
- CQRS - Level: Confirmed - Most recent: Any time
- Hibernate - Level: Confirmed - Most recent: Any time
- Java - Level: Expert - Most recent: Any time
- Jenkins - Level: Confirmed - Most recent: Any time
- JIRA/confluence - Level: Junior - Most recent: Any time
- JPA - Level: Confirmed - Most recent: Any time
- Maven - Level: Confirmed - Most recent: Any time
- PostgreSQL - Level: Confirmed - Most recent: Any time
- REST - Level: Confirmed - Most recent: Any time
- SOA - Level: Confirmed - Most recent: Any time
- SOAP - Level: Confirmed - Most recent: Any time
- Spring Batch - Level: Confirmed - Most recent: Any time
- Spring Framework - Level: Confirmed - Most recent: Any time
Language requirements: French or Dutch: active knowledge (understanding / speaking / writing technical documentation / reading) of one language.
English (written / team communication): active knowledge
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