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Nathan HallouinNH

Nathan Hallouin

Full-Stack JS Dev | AI/GenAI Integration

€380/day
1 project
Orléans, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Nathan

Full-Stack JavaScript Developer specializing in health applications. 💻

I design web and mobile products from end to end, within an HDS and GDPR framework that few freelancers master. A decisive advantage when it comes to health data.

What I deliver: React / Next.js front-end, React Native mobile applications, Node.js APIs in microservices, from requirement to production.

Also comfortable in e-commerce (Nuxt.js, Vue.js, Stripe).
Stack: JavaScript, React, Next.js, React Native, Node.js, [TypeScript], REST API / microservices, [PostgreSQL/MongoDB], Git, Docker.

📩 A health project or a demanding full-stack need? Let's talk.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Physio Xpert
    Full Stack Engineer
    DIGITAL AND IT
    September 2025 - Today (11 months)
    Paris, France
    Design and development of a complete solution for the health sector, in an environment subject to HDS (Health Data Hosting) and GDPR requirements.
    • Development of a web dashboard (Next.js) for management and monitoring
    • Development of a mobile application (React Native)
    • Design and development of a Node.js back-end API, architected in microservices
    • Health regulatory compliance: HDS, health data, GDPR
    • Implementation of structured collaboration
    React Native Next.js React.js HDS GDPR
  • Quanted Square
    Lead Full-Stack JavaScript Developer
    DIGITAL AND IT
    May 2022 - July 2023 (1 year and 2 months)
    Hôtel de Ville, Paris, France
    Development of the back-office for an e-commerce platform for the client Wilook.
    • Design and development of back-office functionalities (Nuxt.js / Vue.js)
    • Deployment and continuous production releases on Vercel
    • Front-end technical lead on the project

    Redesign of the Quanted Square website: integration of a Figma mockup with Vuetify and Nuxt.js, then development of e-commerce functionalities.
    • Responsive integration of Figma mockups (Vuetify, Nuxt.js)
    • Development of functionalities for an e-commerce site
    • Integration of payments via the Stripe API
    • Work on user experience (UX)
    Nuxt.js Vue.js Vercel Stripe

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Education

  • Bachelor Developer Software Designer, Information Technology
    OpenClassrooms
    2024
    Bachelor Développeur Concepteur Logiciel, Technologies de l'information
  • Apprenticeship Application Designer Developer, Computer Science
    Nexa Digital School
    2022
    Concepteur Développeur D'applications en Apprentissage, Informatique

Certifications

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