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Julien JeanJJ

Julien Jean

Javascript / Vue.js / React Fullstack Developer

€450/day
Fréjus, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

Expert in Vue and Nuxt, I design high-performance, robust, and secure web applications. My expertise covers architecture (MVVM, PRU), state management (Pinia), TypeScript, unit/integration testing (Vitest, Jest), and API communication.
I am looking for a professional opportunity that values technical excellence and transparency.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • FLYING EYE
    Vue.js Frontend Developer
    SOFTWARE PUBLISHING
    June 2025 - July 2025 (1 month)
    Biot, France
    Audit and redesign of Flying Hub (Vue.js 3.5), developed with Option API without
    TypeScript and global properties ($root) instead of Pinia or Vuex.
    • Initiated state refactoring to Pinia.
    • Modernized components with Composition API and TypeScript,
    respecting the Single Responsibility Principle.
    • Implemented unit/integration tests with Vitest.
    • Created an API service (Axios, Auth and CSRF interceptors).
    • Aligned with modern best practices and security (OWASP,
    ANSSI compliance).
    JavaScript CSS3 Vue.js Nuxt.js TailwindCSS
  • VTEST
    Javascript Fullstack Developer
    SOFTWARE PUBLISHING
    April 2022 - February 2024 (1 year and 10 months)
    Paris, France
    Development of Young Learner, an English assessment application for 7–
    15 year olds. Key features:
    • First version in VanillaJS (without TypeScript), then complete redesign under
    Vue 3 with TypeScript and integration tests
    • Technical features (microphone capture, audio caching, drag & drop, interactive
    timers) with a constant focus on UX optimization
    • Migration of 3 Vue apps (Vue 2 & 3) to a unified app under Nuxt 3
    (TypeScript)
    • Development of advanced features on 3 existing apps (Vue 2 and
    Vue 3)
    • Collaboration with the backend team (NestJS), deployment on AWS, project
    management via ClickUp
    Nuxt.js Vue.js JavaScript TailwindCSS NestJs
  • Skyview innovation
    Javascript Fullstack Developer
    SOFTWARE PUBLISHING
    October 2021 - December 2021 (2 months)
    Menton, France
    Development of a Vue.js dashboard with Express API for the administration and
    moderation of a dating platform, including user and role management via ACL
    (admin, moderator), with a responsive and secure interface.
    Vue.js JavaScript CSS3 Express

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Education

  • Bachelor of Application Designer Developer
    O'clock
    2024
    Diagramme UML, programmation orientée objet, déploiement intégration continue, docker, tests unitaires, typescript, API
  • Professional Title Web and Mobile Web Developer
    GRETA
    2020
    Symfony 5, PHP, JS, base de données SQL et conception

Certifications

Skill set (12)

Categories