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Ghislain ChungGC

Ghislain Chung

Fullstack Developer

€450/day
Issy-les-Moulineaux, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ghislain

Experienced mobile and fullstack developer, specializing in React.js, PHP, React Native, and Typescript, with a diverse career across multiple companies.

I have solid expertise in application development and the ability to adapt to various technological environments.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Issy-les-Moulineaux (up to 50km)

Experience

  • FONCIA ENTREPRISE
    Fullstack Developer PHP Symfony / React Native
    September 2022 - Today (3 years and 9 months)
    Building an entry and exit condition report application
    Technologies: PHP Symfony, PostgreSQL, Typescript, React Native, GitLab/Bitbucket, Scrum/Kanban
    • Created a backend API in PHP Symfony to manage inspections, properties, and user data.
    • Developed a cross-platform mobile application in React Native for entry and exit inspections (with photo taking and documentation).
    • Designed and optimized a Realmjs noSQL database to ensure efficient data storage and retrieval.
    • Implemented secure authentication and authorization protocols for different user roles (property managers, tenants).
    • Worked in an Agile environment (Scrum/Kanban), collaborating with product, design, and QA teams.
    • Used GitLab/Bitbucket for version control and collaboration on code changes and deployments.
    • Contributed to the application launch, improving the efficiency of condition reports and reducing disputes through documented evidence.
  • UNIFY GROUP
    Fullstack Developer PHP Zend / JS
    PRESS AND MEDIA
    October 2021 - September 2022 (11 months)
    Website Maintenance and Evolution
    aufeminin.com
    Technologies: PHP, Zend, JavaScript, Angular, MySQL, MSSQL, GitLab, Docker, Scrum
    • Maintained and evolved the aufeminin.com website, a high-traffic website.
    • Developed new features and optimized performance with PHP and the Zend Framework, and JavaScript/Angular for dynamic content.
    • Managed MySQL and MSSQL databases to ensure efficient large-scale data storage and retrieval.
    • Used Docker for containerization and managing development environments.
    • Collaborated in a Scrum environment, participating in sprints, reviews, and feature deliveries.
    • Ensured high availability, scalability, and performance of the site to meet traffic and high availability requirements.
    • Managed control
  • CELESTE
    Fullstack Developer PHP Zend / React js
    September 2019 - September 2021 (2 years)
    Île-de-France, France
    Redesign of a Management Application
    Technologies: PHP, Zend, Typescript, React, MySQL, MongoDB, GitLab, Vagrant, Storybook, Cypress, Scrum
    • Redesigned the front-end of an application by migrating from ExtJS to ReactJS to improve usability and maintainability.
    • Analyzed the existing ExtJS/Zend architecture to map features and replicate them in ReactJS.
    • Integrated React with the PHP/Zend backend to ensure smooth data management and a responsive user interface.
    • Used MySQL and MongoDB for managing client data and integration between the frontend and backend.
    • Developed UI components with Storybook and performed end-to-end tests with Cypress to ensure feature quality.
    • Collaborated in a Scrum environment, with agile iterations and regular exchanges with stakeholders.
    • Used GitLab for version control and collaboration on code changes.
    • Managed development environments with Vagrant.

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Education

  • Master MIAGE, Computer Science, Management, Business Intelligence
    Paris Dauphine University
    2014
    Master MIAGE, Informatique, Gestion, Business Intelligence
  • Bachelor's Degree MIAGE, Computer Science, Management
    Paris Dauphine University
    2011
    License MIAGE, Informatique, Gestion

Skill set

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