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Walid DafifWD

Walid Dafif

Java Spring / Full Stack Developer

€250/day
2 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Walid

Java Developer (Spring environment) and full stack for about 10 years.

I have worked for large groups (Bouygues immobilier, Veolia, ERDF, SFR) and in different contexts that have led me to progress technically, functionally and humanly.

- Dynamic, pragmatic, organized, motivated, rigorous, autonomous, responsible.
- Team spirit, good interpersonal skills and adaptability.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • SNCF
    Java / Full Stack Developer / DevSecOps
    TRANSPORTATION
    September 2023 - April 2026 (2 years and 7 months)
    Paris, France
    Full Stack and DevSecOps development mission on business applications (microservices architecture).

    - Back-end development: Java, Spring Boot, REST APIs, integration with databases and third-party services.

    - Front-end development: SPA (React): screens, components, API calls, state management.

    - Quality & tests: unit/integration tests, code reviews, refactoring, best practices (clean code).

    - CI/CD & industrialization: build/test/deploy pipelines, automation, version management (Git).

    - Containerization & environments: Docker, orchestration (Kubernetes/OpenShift).

    - DevSecOps: flow security, secrets management, vulnerability analysis (SAST/DAST), OWASP compliance.

    - Observability & run: logs/monitoring/alerting, incident analysis, anomaly correction, continuous improvement.

    - Methodology: Agile/Scrum, estimation, participation in ceremonies, technical documentation and knowledge sharing.
    JavaScript DevOps Python Java SQL
  • SFR
    Java Spring / Angular Developer
    TELECOMMUNICATIONS
    November 2021 - August 2023 (1 year and 9 months)
    Paris, France
    OCEAN project: repository for radio, logic and hardware engineering for
    2G/3G/4G & 5G RAN networks:

    - Java development (Spring Boot)
    - Front-end development with Angular (Typescript)
    - REST Web Services development
    - Batch development for data processing (Spring Batch)
    - Corrective and evolutionary maintenance of the application
    - Analysis and monitoring of production incidents
    - CI/CD with Docker, Kubernetes and GitLab
    - TDD (unit tests)
    - Agile methodology

    ENVIRONMENT: Java 17, Angular 9, Spring 5 (Boot, Batch), Hibernate 5, Maven, Tomcat, Git (GitLab, GitHub Desktop), Docker, Kubernetes, Oracle, JUnit
    Java Spring Spring boot REST Angular

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Education

  • Master of Science
    Supinfo -
    2014
    Master of Science (Ingénieur informatique)Ecole
  • DUT – Electrical Engineering and Industrial Computing
    University of Cergy Pontoise
    2011
    DUT – Génie Electrique et Informatique Industriel

Skill set

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