Junior Front End Developer

keystone-solutions

Brussel

Hybride

EUR 34 000 - 48 000

Plein temps

Il y a 3 jours

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Résumé du poste

Keystone Solutions is seeking a Junior Front-End Developer for a consultant mission at a client site. The project focuses on migrating Angular applications from version 15 to 22, with regression testing and thorough documentation to manage migration risks.

The role requires at least 3 years of Java development experience and familiarity with multi-system environments. The assignment is hybrid with regular on-site presence in Brussels.

Qualifications

Minimum 3 years of professional Java development experience.
Experience in complex multi-system environments.
Strong knowledge of Angular-based front-end migrations and regression testing.

Responsabilités

Perform the migration of Angular applications from v15 to v22.
Conduct testing, including regression testing.
Document changes and communicate updates to key users.

Connaissances

Angular

Problem solving

Team player

Communication

Formation

Bachelor's degree in Computer Science

Outils

Angular 22

Java 11+

Spring

JPA / Hibernate

REST

OpenAPI / Swagger

Maven

Docker

Kubernetes / OpenShift

GitLab CI/CD

Jira / Confluence

NPM

OAuth 2.0

CI/CD

WebLogic

Description du poste

Mission Overview:

Keystone Solutions is seeking a Junior Front-End Developer for a consultancy mission at a client site. The client maintains several applications developed in Java and Angular for a governmental organization. The current Angular version (V.15) needs to be urgently migrated to a more recent version (target V.22). The developer will be responsible for ensuring this technical migration, as well as the associated regression testing, which will be developed during the migration based on the modifications made to each application. Special attention will be given to documenting these changes to effectively manage the regression risk following this migration, along with communication to the relevant key users.

Responsibilities:

Perform the migration
Conduct testing, including regression testing
Document changes

Experience:

Minimum 3 years of professional experience in Java software development. Experience working in complex multi-system environments.

Competencies:

Technical knowledge and practical experience of the following technologies:

Angular 22
Java >= 21 and Spring Framework (Core, JDBC, Data, Security, AOP)
JPA / Hibernate
RESTful Web Services
OpenAPI / Swagger
SOA, Backend-for-Frontend, CQRS
Test-driven development (JUnit, Mockito, Spring Test, Cypress)
Maven
Docker
OpenShift / Kubernetes
Git and GitLab CI/CD
SonarQube
NPM
OAuth 2.0
Jira and Confluence
Agile/Scrum methodologies
Continuous Integration and Continuous Delivery (CI/CD)

Soft Skills:

Strong analytical and problem-solving skills.
Ability to quickly understand and maintain existing codebases.
Customer and solution-oriented mindset.
Team player with strong communication skills.
Autonomous, proactive, and quality-focused.

Mission & Working Conditions:

The mission is carried out within a hybrid working environment. Regular presence on site may be required.

Why Join Keystone Solutions:

As a consultant at Keystone Solutions, you will engage in dynamic projects that offer a variety of challenges across different client environments. You will benefit from turbo-charged learning opportunities that enhance your professional development and broaden your skill set. We are committed to your career growth within our framework, and being a 'K-Stone' means bringing our core values to every engagement.

Duration:

As soon as possible - 31/12/2026 4 months (full time)

Skills required: