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Antoine BayartAB

Antoine Bayart

Fullstack Developer | React / Next.js / Node.js

€350/day
Lille, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Antoine

Hello!

Do you need a robust business application, an internal tool, or an immersive web experience that makes a statement? As a Fullstack Developer, I help you digitize your business and enhance your brand.

What sets me apart: My "hands-on" and ROI-driven approach.

With 10 years of experience (craftsmanship, industry, B2B), I understand your profitability, inventory management, and customer experience challenges. My goal: to translate your business constraints into concrete digital solutions.

What I can do for you:
  • Business Applications, ERP & SaaS: Creation of tailor-made tools (dashboards, inventory management, booking engines, profitability calculations).
  • Immersive Web Experiences: Premium showcase websites with 3D integration (Three.js, React Three Fiber) and animations (GSAP, Framer Motion) using Next.js.
  • Modern Interfaces & Performance: Smooth Front-end development (React 19, Tailwind, Astro) and tool integration (Stripe, JWT authentication).
  • Back-end & Data Architecture: Robust REST APIs (Node.js, Express, MySQL) and data processing / Machine Learning (Python).
My work method:

Having designed applications from A to Z (like L'Atelier du Boucher in EdTech or predictive maintenance solutions for industry), I quickly adapt to your sector. I favor the Agile method, transparent communication, and maintainable code.

Contact me to discuss your goals and bring your project to life!
  • French

    Native or bilingual

  • English

    Conversational

  • Spanish

    Conversational

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

Experience

  • Projet personnel
    Fullstack and Creative Dev Developer
    April 2026 - May 2026 (1 month)
    Design and development of an immersive interactive showcase.

    This project allowed me to implement a modern technical stack to offer a high-end and performant user experience.

    Technical stack used:
    • Front-end: React 19, Next.js 16 (App Router), Tailwind CSS.
    • Immersive Experience: Three.js, React Three Fiber, Drei (3D WebGL Rendering).
    • Animations: GSAP, Framer Motion, Lenis (Smooth Scroll).
    • Deployment: Vercel (CI/CD).

    Key points:
    • Creation of an interactive 3D carousel and particle-based environments.
    • Optimization of SEO and loading time (Core Web Vitals).
    • "Mobile First" and responsive interface.
    three.js Next.js GSAP React.js TailwindCSS
  • Projet personnel
    Web Developer - Showcase Website Creation (Astro & Tailwind)
    CULTURE
    March 2026 - March 2026
    Challenge: Design and deploy a complete showcase website in 15 days.
    • Performance & SEO: Use of Astro to ensure instant loading and optimal referencing.
    • Responsive Design: Custom integration with Tailwind CSS for a fluid rendering on all devices (desktop and mobile).
    • Technical stack: Astro, Tailwind CSS, Vite.
    Astro TailwindCSS Vite.js Consulting
  • Projet personnel
    Creator & Fullstack Developer
    November 2025 - Today (7 months)
    Design and development from scratch of an EdTech solution for butcher professionals.
    • Business Logic: Implementation of complex calculation algorithms for business yield and margins.
    • Back-end: Creation of a secure REST API (Node.js, Express, JWT) and database architecture (MySQL).
    • Front-end: Development of a dynamic interface with complex state management and vector integration (Atlas SVG).
    • Technical stack: React 19, Node.js, Express, MySQL, JWT, Axios, Vite, Chakra UI, Bcrypt.
    MySQL Node.js Express React.js Chakra UI

Recommendations

Benoit MoseleBM
Marion B.MB
Anisse LebadiAL
Benoit Mosele and 2 other people have recommended Antoine

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Education

  • APPLICATION DESIGNER DEVELOPER
    FOREACH ACADEMY
    CONCEPTEUR DÉVELOPPEUR D'APPLICATION
  • WEB AND MOBILE WEB DEVELOPER (BAC +2)
    Foreach Academy
    2026
    DÉVELOPPEUR WEB ET WEB MOBILE (BAC +2)

Skill set

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