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Kévin Blanc-BarnaudKB

Kévin Blanc-Barnaud

Senior Node.js Developer · AI & E-commerce

€500/day
Marseille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Kévin

I help e-commerce businesses and SaaS startups build robust systems and integrate AI.

13 years building high-traffic platforms — from web development to leading a 6-person squad at Avis Vérifiés / Skeepers, distributing reviews from over 2,000 brands across several billion page views.

Recently:

Prepared meal delivery e-commerce platform with real-time delivery tracking and omnichannel communication (SMS, email, push notifications)
▸ WooCommerce · Twilio · Onro · Node.js · WebSockets

AI prospecting and acquisition system: automatic prospect detection, UGC video / product page matching, personalized customer demo generation, automated contact
▸ Claude Sonnet · Claude Haiku Vision · MCP Shopify · NestJS · n8n · TypeScript · PostgreSQL

What I do:
• Backend Development — Scalable APIs, microservices, and distributed architectures (Node.js, NestJS, TypeScript)
• Automation & AI — n8n workflows, AI agents, MCP, RAG, UGC / product matching
• System Integration — E-commerce, third-party APIs, CMS (Shopify, WooCommerce, Prestashop)
• Web Perf & Technical SEO — Core Web Vitals audit, loading time optimization, structural SEO
• Cloud Infrastructure — Scalable architectures on AWS (Certified Solutions Architect · 2023)

Available for agency or ad-hoc projects.
  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • Freelance
    Senior Dev Freelance
    DIGITAL AND IT
    January 2026 - Today (6 months)
    Marseille, France
    Development of custom applications and systems for e-commerce, SaaS, and startup clients.
    What I do:
    • Custom Development — Web applications, APIs, integrations
    • E-commerce — Prestashop, Shopify, WooCommerce, Magento
    • Web Perf & Technical SEO — Audit, optimization, Core Web Vitals
    • Automation & AI — n8n workflows, Airtable, AI agents
  • Avis Vérifiés by Skeepers
    Team Lead
    November 2018 - February 2026 (7 years and 3 months)
    Marseille, France
    Head of the Publication Squad at Avis Vérifiés — distributing UGC on the sites of over 2,000 client brands (L'Oréal, Rowenta, Saint-Gobain, Carrefour, Pierre Fabre...) for several billion page views.
    Agile management of a 6-person squad (developers, Product Owner, QA):

    — Product review widget: performance and reliability optimization at the scale of billions of views
    — Trust certificate: improvement of client SEO through structured data and Core Web Vitals
    — Review syndication: UGC exchange flow between partners and distributors
  • LECYCLO
    Project Manager/Lead Developer
    August 2017 - September 2018 (1 year and 1 month)
    Marseille, France
    IT manager for lecyclo.com, a bicycle accessories e-commerce site. Managed a mixed team (in-house and offshore developers) for platform maintenance, evolution, and migration to Prestashop.

    — Prestashop Migration: end-to-end management, from specification to deployment
    — Technical Coordination: hosting, IT outsourcing, e-commerce APIs, delivery webservice, analytics tools
    — SEO & Content: project management for two blogs (antivol-velo.com, citycle.com) on WordPress in collaboration with the marketing department

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Education

  • Certified Solutions Architect – Associate
    AWS
    Certified Solutions Architect – Associate
  • Information Systems Project Manager - RNCP Level I (Baccalaureate)
    Institut G4
    2016
    Chef de Projet Système d'Information - RNCP niveau I (bac

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