HubMub
-
act digital

Senior Full Stack Java Developer - ASAP Start - Brussels - Freelance / CDI

act digital
Belgium · Full-time · Mid-Senior
Company Description

Join a dynamic ICT service unit dedicated to developing cutting-edge digital solutions that streamline professional workflows and enhance citizen services. This team builds platforms, applications, and e-portals that simplify interactions between professionals, clients, and public institutions. The work environment is legally complex and data-sensitive, requiring high standards in privacy, integrity, and security.

Job Description

As a Full Stack Developer, you will contribute to the development of robust, secure, and user-friendly applications tailored to the needs of a specialized professional domain. You will work in an Agile environment and collaborate with cross-functional teams to deliver high-quality software solutions.

Key Responsibilities

Back-End Development

  • Design and implement Java applications (Java 11) with high standards of quality.
  • Build RESTful APIs using Spring Boot and related technologies.
  • Write efficient SQL queries and manage data using Microsoft SQL Server.
  • Ensure code quality through unit/integration testing, documentation, and compliance checks (Sonar, OWASP).
  • Contribute to a Service-Oriented Architecture (SOA).
  • Share expertise in Spring, Maven, JPA, and CI/CD practices in GCP.
  • Coach junior developers and promote best practices.
  • Experience with Docker and Kubernetes is a plus.

Front-End Development

  • Develop responsive and user-friendly interfaces using Angular (2+).
  • Apply modern frontend patterns (Smart/Dumb Components, Redux, RxJs).
  • Utilize Angular CLI, Material Design, and JavaScript testing frameworks.
  • Collaborate with UX/UI designers to deliver intuitive user experiences.

Qualifications

Required Skills & Experience

  • Proven experience in Java development with Spring and Hibernate.
  • Solid understanding of REST/SOAP and web technologies (HTML/CSS/JavaScript).
  • Familiarity with object-oriented design and development patterns.
  • Experience with reactive programming and frontend architecture.
  • Knowledge of Domain Driven Design is an asset.
  • Professional proficiency in French or Dutch, with passive understanding of the other language.
  • Strong command of English for IT-related communication.

Personal Attributes

  • Pragmatic and detail-oriented.
  • Creative and open to new ideas.
  • Proactive, autonomous, and flexible.
  • Collaborative team player.

Work Environment

  • Hybrid work model: 60% remote, 40% on-site at centrally located Brussels office.
  • Scaled Agile methodology tailored to team needs.
  • Collaborative and expert-driven culture.

Key Skills

Ranked by relevance

java angular sql restful apis spring boot javascript kubernetes sql server responsive docker server maven owasp cicd gcp
Login to Apply
🇧🇪

Country Guide

Belgium

International hub for EU careers

Posted
Sep 13, 2025
Type
Full-time
Level
Mid-Senior
Location
Brussels
Company
act digital

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
act digital
Related

Responsable Técnico/a (Tech Lead) Backend Core Bancario -Java Spring Boot,Microservicios

2026-05-21

Full-time
Entry
Spain
IT Services
Information Technology
View Job Details
act digital
Related

Java Developer

2026-05-26

Full-time
Associate
Poland
IT Services
Information Technology
View Job Details
act digital
Related

Python Developer

2026-05-22

Full-time
Not Applicable
Portugal
IT Services
Engineering