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Jonathann B.JB

Jonathann B.

Web Developer

€445/day
Toulouse, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jonathann

AI Web Developer & Headless Commerce Expert | Premium Performance & Design
Tired of generic websites that don't sell? I'm building the future of your business.

Specializing in creating high-performance interfaces, I use the power of AI (React.js, Tailwind CSS) to deliver websites with a minimalist and fluid design (Apple Style) in record time. My approach is based on Headless Commerce: the fusion of exceptional custom design and the transactional robustness of Shopify.

Why choose me for your project?

🚀 Speed of Execution: Thanks to AI code generation tools, I deliver in a few days what a traditional agency takes weeks to produce.

💎 High-End Aesthetics: I don't compromise on design. Every pixel is designed to build absolute trust (ideal for High-Ticket products).

💰 Conversion Optimization (CRO): Expert in sales psychology, I natively integrate reassurance levers (Alma 4x, guarantees, storytelling) to turn your visitors into customers.

🛠️ Modern Technical Stack: Complete mastery of React, TypeScript, and complex API integrations.

My goal: To create a "Ferrari" of the web for you: beautiful on the outside, ultra-powerful under the hood, and designed to handle your first sales as soon as it goes live.

Let's discuss your vision and transform it into a profitable digital asset.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Oovo
    AI Automation & Growth Engineer
    April 2026 - April 2026
    Toulouse, France
    Design and deployment of a web platform focused on acquisition and conversion for an agency specializing in content creators.

    • Development and integration of an end-to-end website (UX/UI, architecture, conversion funnel) using no-code/low-code tools
    • Implementation of a multi-channel acquisition strategy (paid ads, tracking, performance optimization)
    • Integration of secure payment solutions (Stripe) with flow management and transaction automation
    • Implementation of automated email marketing workflows (reminders, nurturing, behavioral sequences)
    • Development and deployment of an AI-based conversational agent for automated customer interaction management (24/7 chat, lead qualification, human-like response simulation)
    • Optimization of design and user experience with a CRO (Conversion Rate Optimization) approach
    • Tracking and performance analysis (funnels, conversion rates, user behavior)
    Development and deployment of AI conversational agents (LLM, interaction automation) Conversion Rate Optimization (CRO) & Funnel Engineering Marketing automation & workflows (emailing, nurturing, behavioral scenarios) Payment system & API integration (Stripe, webhooks, flow management) Growth Acquisition & Paid Media (tracking, performance, ROI optimization)
  • Loc-direct
    Web Developer
    REAL ESTATE
    April 2026 - April 2026
    Toulouse, France
    Mission – LOC Direct
    As part of a freelance mission for LOC Direct, a real estate platform, I supported the development of their digital acquisition.

    The platform's concept: to allow tenants to submit their application online to gain priority access to offers, while facilitating selection for landlords through qualified profiles.

    💡 My Role
    I was in charge of the entire acquisition and performance aspect:

    • Deployment and optimization of the SEO strategy (site structure, keywords, content)
    • Creation and management of Google Ads campaigns with a clear objective: to generate qualified leads
    • Optimization of the conversion funnel to maximize registrations
    • Performance analysis and continuous adjustments (tracking, ROI, acquisition cost improvement)

    📈 Results
    • Increase in qualified traffic
    • Generation of targeted leads for the platform
    • Improvement of the conversion rate from visitors to registrants
    * Digital acquisition (SEO / SEA)* Google Ads (Search, Display, CPA optimization)* Funnel / Conv Payment solution integration (Stripe) Conversion-oriented copywriting Lead generation Conversion-oriented UX/UI Design
  • Sitflow
    WEB DEVELOPER & NO-CODE EXPERT
    March 2026 - March 2026
    Expert in creating high-performance web interfaces and "High-Ticket" e-commerce. I combine Artificial Intelligence and premium minimalist design (Apple Style) to maximize conversion rates. With 10 years of indirect expertise in the Beauty-Tech sector, I master the codes of luxury and customer reassurance.
    Lead Designer & AI Developer | Derma Beauty Lab (2026)
    Design and deployment of a sales platform for a luxury medical-aesthetic device (€199 - €299).

    Hybrid architecture: Ultra-fluid front-end on Lovable.dev coupled with the secure Shopify payment engine.

    Implementation of a conversion funnel including: Anti-counterfeiting banner, smart investment comparison table, and 4x interest-free payment system.

    Result: High-end user experience (UX) with Apple-like fluid animations.

    Beauty & Import Innovation Specialist (10 years of expertise)
    Pioneer in identifying Beauty-Tech trends in Europe (LED Masks, Cavitation).

    Analysis of consumer needs and development of home care protocols (20 min/day Protocol).

    "Private Label" and branding strategy for exclusive technological products.

    Freelance No-Code | Various Projects
    Creation of high-conversion Landing Pages for aesthetic and wellness niches.

    Integration of AI-powered "Personalized Diagnosis" modules to qualify prospects.
    TypeScript Headless Commerce

Recommendations

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Anna Chich and 1 other person have recommended Jonathann

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Education

  • Master in Innovation Management & Experiential Design
    henri 4
    2008
    "Formation pluridisciplinaire axée sur l'intersection entre l'esthétique haut de gamme et les technologies de rupture. Ce cursus m'a permis de développer une vision stratégique du branding tout en maîtrisant les leviers techniques nécessaires à la digitalisation des entreprise

Skill set

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