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Full Stack Developer Java/React (Brussels area) - Freelance
Belgium
· Full-time
·
Entry
Budget: 500
Your Role
As a Full Stack Developer, you will contribute to the full lifecycle of product development — from requirements analysis to deployment — with a strong focus on backend Java development and exposure to frontend (React) work.
You Will
Must-have Skills
Duration: Long-term mission
Languages: English and French (Dutch is a plus)
Your Role
As a Full Stack Developer, you will contribute to the full lifecycle of product development — from requirements analysis to deployment — with a strong focus on backend Java development and exposure to frontend (React) work.
You Will
- Translate functional requirements into high-quality, maintainable code.
- Design, build, and maintain performant, reliable, and reusable applications.
- Develop primarily on Java / Spring Framework, while collaborating on frontend React components.
- Contribute to DevOps activities, including CI/CD pipeline setup and maintenance.
- Collaborate with cross-functional teams to deliver new features and enhancements.
- Write automated tests and apply best practices like TDD and Clean Code.
- Participate in code reviews, knowledge sharing, and continuous improvement initiatives.
Must-have Skills
- Proven expertise in Java, Spring, and Maven.
- Strong understanding of RESTful APIs (Swagger / YAML).
- Experience with Git, Jenkins (or similar CI/CD tools).
- Familiarity with SAST tools (SonarQube, Fortify, NexusIQ, or alternatives).
- Experience with containers (Docker) and scripting (Groovy).
- Solid understanding of OO principles, DDD, SOLID, and design patterns.
- Experience in Test-Driven Development (TDD) and refactoring.
- Experience with React or Node.js.
- Knowledge of API automation testing.
- Minimum 6 years of relevant experience as a developer.
- Bachelor’s or Master’s degree in Computer Science or equivalent experience.
- Strong Agile mindset — collaborative, pragmatic, and focused on continuous learning.
- Team player who values collective success over individual achievements.
- Open to pair programming, code reviews, and constructive feedback.
- Curious, adaptable, and proactive in improving ways of working.
Duration: Long-term mission
Languages: English and French (Dutch is a plus)
Key Skills
Ranked by relevance
java
react
cicd
tdd
restful apis
jenkins
docker
devops
git
ddd
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- Posted
- Oct 30, 2025
- Type
- Full-time
- Level
- Entry
- Location
- Brussels
- Company
- Collective.work
Industries
Software Development
Categories
Engineering
Information Technology
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