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Valentin AfonsoVA

Valentin Afonso

Fullstack developer

350 €/jour
Paris, FR
3-7 ans

Délai de réponse moyen : 1h

À propos de Valentin

Fullstack Developer | React, Next.js, CMS | Web & API Solutions

I help businesses and agencies build high-performance, user-friendly web applications, dashboards, and e-commerce platforms. With 5+ years of experience in fullstack development, I specialize in React, Next.js, Symfony, PHP, MySQL, and TailwindCSS, integrating APIs and headless CMS to deliver scalable solutions.

I bring a strong focus on clean code, modern UX/UI, and SEO best practices, ensuring your projects are not only functional but also efficient and visually engaging. I’m passionate about exploring new technologies and can provide innovative ideas and insights to enhance your product.

I typically work on web applications, dashboards, CMS websites, e-commerce platforms, and cross-platform solutions, adapting quickly to your project needs and delivering results that make a real impact.

To find out more: valafso.com
  • Français

    Bilingue ou natif

  • Anglais

    Capacité professionnelle complète

Accepte de travailler sur site
Paris (jusqu’à 50 km)

Expériences

  • Upmotion
    Full stack developer
    AGENCE & SSII
    septembre 2021 - Aujourd'hui (4 ans et 9 mois)
    Les Herbiers, France
    • Engineered a scalable RESTful API with Symfony,MySQL
    • Built a full-featured dashboard platform using Next.js, Tailwind CSS, Symfony, and MySQL, enabling 20+ agency clients to track SEO performance (via third-party APIs), submit support tickets, and chat with developers. Became a key sales asset, helping convert prospects by showcasing measurable site ROI.
    • Orchestrated deployment pipelines and managed Linux VPS environments for hosting web apps, databases, and static websites.
    • Designed and structured a full-featured HR management system for 50+ employees, integrating time tracking, leave requests, and reporting tools via REST API and a vanilla JS frontend.
    • Launched a high-traffic B2C and B2B e-commerce platform: Managed over 4,000 products using Prestashop and MySQL.
    • Built and maintained 30+ custom CMS websites using Contao, Wordpress, achieving 90+ Lighthouse scores and applying SEO best practices, semantic HTML, and JavaScript-based animations.
    React.js Next.js JavaScript PHP Symfony
  • K.Line
    Frontend developer
    AGENCE & SSII
    septembre 2020 - septembre 2021 (1 an)
    Les Herbiers, France
    • Contributed to the company s main website using Drupal CMS, SCSS, and JavaScript, ensuring modular components and responsive design across all devices.
    • Collaborated within a team of 8 web developers and 60+ IT professionals, adhering to Git workflows, code review standards, and agile development practices.
    • Designed and developed a cross-platform mobile MVP using the Ionic framework (JavaScript), aimed at digitizing production workflows and enhancing employee efficiency in factory environments.
    PHP Ionic JavaScript HTML/CSS Développement Front-End

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Formations

  • Master's degree
    ECV
    2023
    Master's degree
  • Bachelor's degree
    IUT
    2021
    Bachelor's degree

Certifications

  • OPQUAST
    Qualiopi
    2023

Compétences

Catégories