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Vincent AlvernheVA

Vincent Alvernhe

Senior Product Designer | Expert User research ✅

€450/day
Nantes, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Vincent

🚀 Boost yourCONVERSIONand multiply yourperformanceby 2 with Data + UX Design 📈

↳ I enable SaaS, mobile apps, and e-commerce businesses to transform their journeys into **conversion machines**.


◉ For a single result:
Make journeys simple to convert naturally, even for your most reluctant users ✅


◉ How we achieve this:
With THE METHOD

1️⃣ Data & UX Audit
Before any action, I confirm:
↳ +300 UX/CRO checkpoints
↳ Qualified user interview insights
↳ Your website's overall data
↳ Heatmaps to understand user behavior

2️⃣ UX/UI Design
I create optimized journeys to convert:
↳ Gamified mockups
↳ UX/UI design of key pages
↳ RGAA / WCAG compliance
↳ Interactive prototypes
↳ 1 pixel-perfect design system included

3️⃣ Testing & Optimization
↳ I secure and validate choices through A/B tests
↳ then I implement a formidable tracking plan

◉ My strengths
↳ Systematic ROI for your business
↳ Weekly video calls and dedicated Slack channel
↳ Up to 1/2 of development time systematically saved
↳ 1 pixel-perfect design system included (usable for your future projects)


Have a project in mind? Response within 24 hours.


◉ Who am I?

💻 Product Designer specializing in user research
⚡️ +3,000 hours of product design and research

🧠 Perfect use of cognitive biases

📊 19 SMEs supported (early-stage → scale-up)
💶 Guaranteed ROI on every journey worked on

Tools:

↳ Figma
↳ Hotjar
↳ Contentsquare
↳ Clarity
↳ Maze
↳ Google Analytics
↳ Claude Design
↳ VWO
↳ Kameleoon
↳ Intelligems
↳ Crazy Egg
↳ Mixpanel
↳ PostHog
↳ Intelligems
  • French

    Native or bilingual

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

Experience

  • Zoodiag / EMPOVET
    Gamify a software feature
    MEDICAL
    March 2026 - Today (5 months)
    Angers, France
    Results after 3 months ⤵︎
    • Customer support halved
    • Development time divided by 2
    • Increased LTV
    Product roadmap Gamification User research RGAA audit Contentsquare
  • Vroom.io
    Gamify onboarding
    AUTOMOBILE
    September 2025 - September 2025
    Angers, France
    Results after 6 months ⤵︎

    • +80% conversion rate
    • 1/3 of development time saved
    Onboarding Churn reduction Conversion Rate Optimization (CRO) revenue Design System
  • Meetmagnet
    Gamify a software feature
    PRESS AND MEDIA
    June 2025 - July 2025 (1 month)
    Nantes, France
    Results after 6 months ⤵︎

    • +60% conversion rate
    • 2/3 of development time saved
    Onboarding User Interface Design Conversion Rate Optimization (CRO) Churn reduction User Research

Recommendations

DA
VR
RC
+2
Danièle A and 4 other people have recommended Vincent

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Education

  • Master Editorial Web and UX Strategy
    University of Poitiers
    2023
    Mention Très Bien

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