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Mathieu L.ML

Mathieu L.

📈 Expert CRO | Boost Your Conversions 🧪

€500/day
Nantes, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mathieu

👨‍💻 Mathieu Le Goff — CRO & UX/UI Expert based in Nantes


🔍 Specialist in Conversion Rate Optimization (CRO), UX/UI design, and web marketing, Mathieu has been helping e-commerce companies maximize their digital performance for over 10 years.

🚀📈 What I do best:
  • CRO & AB Testing: Mastery of tools like Kameleoon, AB Tasty, Intelligems
  • Analytics & Dashboards: KPI tracking via GA4, Looker Studio, Clarity, Hotjar
  • UX/UI Design: Recommendations based on quantitative & qualitative insights
  • E-commerce: Shopify, Prestashop expert, marketplace management, e-merchandising
💼 Notable Experiences:
  • CRO Manager at Moon Moon: UX/UI audits, dashboards, AB tests on Shopify
  • E-commerce Manager at Faguo: Conversion steering, commercial animation, data tools
  • Webmarketer at Bébé au Naturel: Continuous site optimization & acquisition strategy
  • Independent Consultant: Audit, creation, project management, and site optimization (WordPress, Shopify)
💬 A few more words:
  • Data-driven but user-oriented approach
  • Versatile, comfortable in both strategy and operations
  • Open, pedagogical, enjoys sharing and collaborating


  • English

    Conversational

  • French

    Native or bilingual

Can work on-site
Nantes (up to 50km), Lyon (up to 10km), Rennes (up to 50km), Paris (up to 10km), Vannes (up to 50km)

Experience

  • Moon Moon
    CRO Manager
    DIGITAL AND IT
    June 2024 - April 2025 (10 months)
    Nantes, France
    CRO AUDIT:

    • UX/UI Audit
    • Web Analysis (GA4/HOTJAR/CLARITY)
    • CRO Roadmap
    • Account setup/AB test creation (Intelligems and Shoplift)
    • Competitive benchmarking

    Monthly CRO Support:

    • Web Analysis (GA4/HOTJAR/CLARITY)
    • CRO Roadmap creation and updates
    • Account setup/AB test creation (Intelligems and Shoplift)
    • Results monitoring and analysis
    I have supported several brands such as: DIJO, French Mush, Barnie, Boome Paris, Detective Box, etc.



    intelligems CRO Hotjar Clarity Shopify
  • FAGUO
    E-Commerce Manager
    RETAIL (SMALL BUSINESS)
    February 2022 - June 2024 (2 years and 4 months)
    Nantes, France
    CRO Strategy Management:
    • ROADMAP creation and updates
    • Setup and integration of AB tests/personalizations (Kameleoon & AB TASTY)
    • Data analysis (GA4)
    • Heatmap and session recording analysis (HOTJAR/Clarity)
    Front-end Management:
    • Creation of evolution and correction tickets via JIRA
    • Ticket tracking
    • Implementation of evolution roadmap
    E-merchandising Management:
    • Launching new collections
    • Implementing commercial animation
    New Provider Integrations:
    • Merchandising automation (Target 2 Sell)
    • Product recommendation automation (Nosto & Target 2 Sell)
    • Search engine automation (Sensefuel)
    All while following an OMNICHANNEL strategy.



    CRO AB Tasty Kameleoon Clarity Hotjar Prestashop store commander Target2Sell
  • Groupe La Poste
    E-Commerce Project Manager
    E-COMMERCE
    January 2020 - June 2020 (4 months)
    Nantes, France
    Carried out a study for the La Poste Group's Procurement Department for the implementation of a B2B e-commerce site.
    E-commerce Web Project Management Audit Digital Transformation Web Marketing Strategy

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Education

  • Master 2 in E-commerce
    IAE de Lille
    2013
  • Web Developer Integrator
    3W Academy Nantes
    2018
    Conception et réalisation de sites internet. HTML, CSS, PHP, Javascript

Skill set

Categories