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Francois DemiansFD

Francois Demians

Full Stack Java / Angular/ Python AI Engineer

€400/day
Valbonne, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Francois

Immediately available in the Sophia-Antipolis region and the Paris region for on-site work.
Also works remotely worldwide in French and English.
Links to my Github available upon request to view my personal work in generative AI and in JEE Springboot/Angular 21.
20 years of experience in application design and development
Professional Summary
Senior software engineer specializing in Java/JEE architectures and full-stack web application development. Over 20 years of experience on critical projects for major clients (aerospace, public administration, European institutions). Expertise in microservices architectures, Angular development, and Liferay platforms. Complementary skills in artificial intelligence, data science, and natural language processing.
Key Skills
• Java/JEE Architecture and Development (Spring Boot, Hibernate, REST, SOAP)
• Frontend Angular Development and SPA Applications
• Liferay Portal Platforms
• Microservices Architecture Design
• Artificial Intelligence and NLP (Python, text mining)
• Semantic Web (RDF, OWL, SPARQL)
• DevOps: Docker, Maven, Git, GitLab
• Automated Testing: Selenium, Mockito
Technical Environments
Languages: Java, Python, Javascript, Typescript, SQL
Frameworks: Spring Boot, Hibernate, Angular, Liferay, Struts, JSF
Databases: Oracle, PostgreSQL, MySQL, MongoDB
Tools: Git, GitLab, Maven, Docker, Postman, Selenium, JIRA
Methods: Agile Scrum, V-Model
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Basic

Can work on-site
Valbonne (up to 50km)

Experience

  • CEGEMA
    Full Stack Java / Angular 21 Material Engineer
    BANKING AND INSURANCE
    December 2025 - March 2026 (3 months)
    Villeneuve-Loubet, France
    ◙ Backend Java 21 development
    ◙ Frontend Angular Material development with atomic design architecture
    ◙ Design and implementation of reusable components
    ◙ PostgreSQL database integration
    ◙ Containerization with Docker / Podman
  • FORTIL
    JEE Full Stack Engineer
    TECH
    April 2024 - July 2024 (3 months)
    Valbonne, France
    ◙ Fullstack architecture design
    ◙ Backend development with Spring Boot 3
    ◙ Authentication and security implementation via JWT
    ◙ Frontend Angular 15 development
    Project Languages, Scripting Java 23, Spring Boot 3, Angular 15
  • WEIBIS — European Patent Office (EPO)
    Java Microservices Engineer
    January 2019 - January 2022 (3 years)
    ◙ REST API development and maintenance
    ◙ Java microservices maintenance and evolution
    ◙ Setup of automated tests (Mockito, JUnit)
    ◙ Service security via JWT
    ◙ Frontend AngularJS integration
    Results:
    ◙ Stabilization of the application portfolio of 150 applications
    ◙ Improvement of automated test coverage

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Education

  • Master's Degree
    2025
    Bac+5
  • AI Computer Science Image and Language
    ENSEEIHT
    IA Informatique Image et Langage

Certifications

  • Bac+5 Generative AI Training Datascientist
    Mines Paris Tech School
    2026

Skill set

Categories