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Matthieu VilmenMV

Matthieu Vilmen

Full Stack Developer

€500/day
Bourges, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Matthieu

Expert web developer in Next.js and Stripe integration, I help SaaS and e-commerce businesses collect more revenue, faster.

My specialty: complete and reliable payment systems — optimized checkout, recurring subscriptions (Stripe Billing), secure webhooks, customer portal, automated invoicing, and SCA/3D Secure compliance.

What I can do for you:
• End-to-end Stripe integration on your Next.js / React application
• Setting up subscriptions with free trials, upgrades, and payment failure management
• Audit and optimization of your payment funnel to reduce cart abandonment
• Migration to Stripe or addition of international payments (multi-currency)
• Audit and optimization of your payment funnel to reduce cart abandonment
• Migration to Stripe or addition of international payments (multi-currency)
• High-performance front-end and back-end development: Next.js, React, TypeScript, REST API

My approach: I don't just deliver code, I deliver a payment system that converts, is secure, and ready for production. Clear communication, met deadlines, tested and documented code.

Available for short missions (audit, setup) as well as long-term collaborations. Let's talk about your project!
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Basic

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

Experience

  • MyStyle
    Lead Developer
    DIGITAL AND IT
    April 2026 - Today (3 months)
    Paris, France
    I lead IT projects as part of my missions at MyStyle. I develop native/cross-platform web applications for all types of requests.
    Next.js Stripe Git Vercel
  • CGI France,
    Operational Back-up Pilot
    July 2023 - July 2025 (2 years)
    Grenoble, France
    ■ Operational management of a client scope: monitoring KPIs, work units (UO), and adherence to contractual SLAs
    ■ Design and facilitation of the onboarding and training process for new hires, accelerating their skill development
    ■ Drafting of the monthly activity report presented to the client: summary of indicators, alerts, and action plans
    ■ Liaison between technical teams and management: ensuring reporting reliability and continuous process improvement
  • CGI,
    Junior Support Technician
    December 2022 - July 2023 (7 months)
    Grenoble, France
    ■ Analysis, qualification, and resolution of Level 1 and Level 2 incidents in compliance with service level agreements
    ■ Rapid skill development leading to a promotion to operational management in less than a year

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Education

  • Master's Degree
    Mastère
  • Master's Degree in IT Project Management (Bac+5)
    IPI Lyon
    2026
    Mastère Directeur de projets informatiques (Bac+5)

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