Freelancer profile translated to English.
Back to original languageAbout Theo
FreelanceJava Full-StackDeveloper, I design and develop robust and scalable web applications based on theJava / Spring Bootecosystem.
I work onbackend development, REST APIs, and microservices architecturesprojects, with an approach focused on **code quality, automated tests, and application performance**.
I support companies in the design, development, and evolution of their digital solutions: business applications, web platforms, backend services, or API integrations.
Technical Skills:
Backend
- Java
- Spring Boot
- Spring Cloud
- REST APIs
- Microservices
- Maven / Gradle
Frontend
- HTML
- Thymeleaf
- JavaScript
Data
- MySQL
- MongoDB
- Database Design
DevOps
- Docker
- CI/CD
- Git / GitLab
Types of missions:
Java / Spring Boot application development
REST API design and development
Microservices architecture implementation
Full-stack development (Java backend + web front)
Maintenance, optimization, and refactoring of existing applications
SQL and NoSQL database integration
CI/CD pipeline implementation and containerization with Docker
Rigorous and solution-oriented, I am committed to delivering maintainable, tested, and scalable code, in close collaboration with product and technical teams
French
Native or bilingual
English
Fluent
Dutch
Basic
Can work on-site
Bruxelles (up to 50km)
Experience
- MAISON MARYJANEJAVA FULL STACK DEVELOPERE-COMMERCEJanuary 2025 - January 2026 (1 year)Bruxelles, Belgium• • Developed and maintained RESTful APIs using JAVA and SPRING.• • Implemented business logic and data persistence with JPA/HIBERNATE.• • Ensured code quality and maintainability through CLEAN CODE practices.• • Maintained and evolved a production application (BUG FIXING, FEATURE IMPROVEMENTS).• • Developed and integrated a REACT-based front-end.
- Personal ProjectsJAVA DEVELOPER PERSONAL PROJECTSJanuary 2024 - January 2025 (1 year)• Built backend applications using Java and Spring Boot (REST APIs, microservices).• Designed and implemented relational and NoSQL databases (PostgreSQL, MongoDB).• Wrote unit and integration tests using JUnit.• Implemented CI/CD pipelines with GitLab for automated build and testing.• Refactored codebases to improve structure, readability, and maintainability.
- VOODOO/MIRARI GAMESC# GAME DEVELOPERVIDEO GAMES AND ANIMATIONJanuary 2018 - December 2023 (5 years and 11 months)Paris, France• • Developed and maintained application features using C# in a production environment.• • Optimized performance, stability, and memory usage on mobile platforms.• • Debugged complex issues and ensured application reliability across multiple releases.• • Participated in iterative development cycles within small, agile teams.• • Managed build and release processes for iOS and Android applications..
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Education
- JAVA DEVELOPER CERTIFICATIONOPENCLASSROOMS2025JAVA DEVELOPER CERTIFICATION
- C# GAME DEVELOPER BACHELORICAN2017C# GAME DEVELOPER BACHELOR