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Billy ChenBC

Billy Chen

Fullstack/Frontend Developer | ⚛️ React / Node

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Billy

Fullstack JavaScript Developer since 2017, I have solid expertise in React, NestJS, and TypeScript. I focus on creating intuitive and high-performing web applications, with particular attention to UX, ensuring projects are both functional and enjoyable to use.

My approach combines careful design, advanced functionality, and innovative solutions. I am autonomous in project management, capable of leading them from start to finish, adapting to the specific requirements of each initiative.


If you are looking for a versatile and independent Fullstack developer, capable of leading your project with expertise, contact me to discuss your goals and how I can contribute to their achievement.

  • French

    Native or bilingual

  • English

    Fluent

  • Chinese

    Basic

Can work on-site
Paris (up to 10km)

Experience

  • SEMANA
    Fullstack Javascript Developer
    SOFTWARE PUBLISHING
    May 2021 - January 2024 (2 years and 9 months)
    Paris, France
    - Website Redesign: Migration of the site from React 16 to React 18, with integration of a design system

    - Architectural Migration: Participation in the transition from MVC to DDD, contributing to architectural design and optimization.

    - Technological Watch and Tool Proposal: Realization of POCs and proposal of tools (react-query, cypress, msw, ...)

    - Performance: Improvement of application performance (React suspense, lazy loading, caching, queuing)
    DDD TDD NestJs React Tailwind CSS
  • CAMEO Energy
    Fullstack React / NestJs Developer
    ENERGY AND UTILITIES
    May 2020 - May 2021 (1 year)
    Paris, France
    Implementation of features for internal tools

    Technologies:
    - React
    - Redux
    - Material-ui
    - React-hook-form
    - Django
    React Django
  • LineUP 7
    Technical CRM Consultant
    DIGITAL AND IT
    May 2017 - May 2020 (3 years)
    Île-de-France, France

    - Development in Javascript stack
    - CI/CD (Gitlab / Docker)
    - AWS (API Gateway, Lambda, Cognito)
    Adobe Campaign AWS Node.js Salesforce Selligent

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Education

  • Computer Science
    EPITECH - European Institute of Technology
    2017
    Informatique
  • Software engineering, Computer Science
    Beijing Jiaotong University
    2016
    Software engineering, Informatique

Skill set (24)

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