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Julien BruneelJB

Julien Bruneel

Supermalter

Front-End Developer

€450/day
Lille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Julien

After about ten years spent building websites as a side activity, I have been a full-time front-end developer for large companies for the past 2 years.
Self-taught and a proponent of good development practices (especially those related to agility: unit tests, e2e tests, pair programming...), I have mainly worked on JavaScript frameworks such as Vue.js, React, or Svelte.
Passionate about the agile philosophy, I have obtained the SCRUM PSM I certification.
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Lille (up to 50km), Lille (up to 30km)

Experience

  • Evolight
    Front-end Developer
    November 2025 - December 2025 (1 month)
    Evolight, a company that installs intelligent lighting solutions for professionals, wants to offer its clients an application that allows them to easily manage their installation: real-time visualization of different lighting groups, creation and saving of predefined scenes, programming...
  • MINIMAI
    Creation of the showcase website
    TECH
    October 2025 - October 2025
    Lille, France
    For the launch of its product, Minim AI needed a lightweight and fast website (strong SEO constraint): The choice was therefore made for a static site powered by Astro with the implementation of dynamic islands in React.
    Astro.js TailwindCSS React.js Typescript
  • DECATHLON
    Front-end Developer at
    RETAIL (SMALL BUSINESS)
    January 2024 - March 2025 (1 year and 2 months)
    Croix, France
    The Membership front web team is responsible for the product that allows end customers to manage their loyalty account (point conversion, challenges, tracking). The product allows each country to manage its own content via a CMS (Strapi). Deployed in 40 countries during 2024, it involved implementing new features and managing the specificities of each country: linguistic specificities (writing direction, dates, numerical systems), technical specificities (à la carte features: feature flipping, progressive deployment of Decathlon's new visual identity).

    Responsibilities:

    • Develop application features
    • Design and implement a technical debt reduction strategy
    • Design and implement a relevant testing strategy
    Typescript Svelte Scrum Testing Library mock service worker

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