Freelance Opportunity: Confirmed Java Full-Stack Developer (Java / Angular)

MGS; Brussel Hoofdstad; Hybrid; EUR 83,000 - 138,000; Full time

Job summary

MGS in Belgium is seeking an experienced Freelance Java Full-Stack Developer to join a digital transformation project. You will design, develop and maintain Java backend and Angular frontend components, and contribute to both sides to enable independent releases.

French proficiency is mandatory; the role requires collaboration with analysts, testers and tech leads in a hybrid Belgium-based environment. The ideal candidate has deep hands-on Java/Angular experience, strong testing habits, and

Qualifications

• Proficiency in Java and Angular; strong full-stack capabilities.
• Professional French proficiency is mandatory.
• Experience with REST APIs and databases (DB2/MySQL); Flyway for migrations.
• Experience in Agile/Scrum environments.

Responsibilities

• Design, develop, and maintain Java backend and Angular frontend components.
• Implement new features and enhance existing applications.
• Contribute to frontend/backend separation to enable independent releases.
• Write unit and integration tests and ensure code quality.
• Troubleshoot and resolve technical issues.
• Participate in code reviews, refactoring, and continuous improvement.
• Support deployment activities and collaborate with analysts, developers, testers, and tech leads.
• Participate in Scrum ceremonies and communicate technical risks and progress.

Skills

Java

Angular

REST APIs

Unit testing

Agile/Scrum

Code reviews

Refactoring

CI/CD

Tools

Maven

Git

GitLab CI/CD

Nexus

Job description

We are looking for an experienced Freelance Java Full-Stack Developer with strong expertise in Java and Angular to join a digital transformation project in Belgium.

Language: Professional French proficiency is mandatory

Strong hands‑on experience with Java and Angular development.

Databases: DB2 and MySQL.

Database versioning and migration: Flyway.

Build and delivery tools: Apache Maven, Git, GitLab CI/CD, Nexus.

Experience developing and maintaining REST APIs and frontend/backend components.

Knowledge of Clean Code, unit testing, integration testing, code reviews, and refactoring.

Experience working in an Agile/Scrum environment.

Design, develop, and maintain Java backend and Angular frontend components.

Implement new features and enhance existing applications.

Contribute to frontend/backend separation to support independent releases.

Write unit and integration tests and ensure code quality.

Troubleshoot and resolve technical issues.

Participate in code reviews, refactoring, and continuous improvement.

Support deployment activities and collaborate with analysts, developers, testers, and technical leads.

Participate in Scrum ceremonies and communicate technical risks and progress.

A confirmed-level full-stack developer who is comfortable working across both Java backend and Angular frontend technologies, communicates professionally in French, and can commit to the hybrid working arrangement in Belgium.