? Freelance Senior Full Stack Developer (Java/Angular) with LeSS Experience

? Brussels region (Anderlecht) | ? Flexible hybrid working

? Start date: January 2027

⏳ Duration: 220+ man-days

? Languages: Dutch or French + English

For a leading organization within the Belgian infrastructure sector, we are looking for a Freelance Senior Full Stack Developer with strong expertise in Java, Angular and LeSS. You will join a business-critical IT environment where applications play a key role in operational processes and daily services.

As a Senior Full Stack Developer, you will collaborate with multiple Scrum teams and contribute to the development, improvement and quality of scalable software solutions.

Your responsibilities:

✅ Perform technical analyses and translate functional requirements into sustainable solutions

✅ Develop and maintain high-performance Java solutions

✅ Build high-quality software following clean code principles and security best practices

✅ Implement and maintain automated testing within CI/CD pipelines

✅ Analyze and resolve technical issues, perform bug fixing and optimize existing applications

✅ Support deployments and software releases in an on-premise environment





✅ Share knowledge and coach fellow developers

✅ Support Agile ways of working and LeSS adoption within teams

Your profile:

? 15+ years of experience in Java development (Java 21)

? Strong experience with Spring Framework, Hibernate/JPA and SQL

? Minimum 10 years of experience with Scrum

? Experience with LeSS implementation and Agile scaling

? Experience with TDD, unit testing (JUnit, Mockito) and CI/CD

? Knowledge of Microservices, Domain-Driven Design (DDD) and Hexagonal Architecture

? Experience with Angular (version 19 or higher)

? Knowledge of Kafka, Hazelcast and WebSocket is a plus

? Experience with DevOps principles

? Fluent in Dutch or French and English

Soft skills:

✔ Analytical and solution-oriented mindset

✔ Takes initiative and works independently

✔ Strong communication skills

✔ Team player with a coaching mindset

✔ Versátil and responsible approach

After an onboarding period, you are willing to participate in a 24/7 on-call rotation.

Interested in a challenging freelance assignment within a socially relevant IT envir

📌 Full stack developer (java/angular) with less experience (España)
🏢 Fujitsu
📍 España