Freelancer profile translated to English.
Back to original languageAbout Guillaume
Senior Web Developer & E-commerce Architect
SEO Performance – Data & Interconnectivity – Business Growth
Web developer since 2003, entrepreneur and performance-oriented e-commerce architect.
Creation and management of structures generating up to €1.8 million in annual revenue.
Specialist in technical SEO, mass scraping, API interconnection, and data automation.
Accustomed to collaborating with marketing teams, designers, and international partners.
Involvement in purely technical missions, global e-commerce management, or long-term integration within product teams.
EXPERTISE
- Custom e-commerce development
- Technical SEO optimization
- Data architecture & scraping
- API integration & automation
- Artificial intelligence proficiency
SKILLS
E-commerce
- PrestaShop, Shopify, Wizishop
- Sales funnel optimization
- Automation integration
- Payment & logistics integration
Technical SEO
- Structure & linking
- Competitive domination strategy
- Indexation & performance optimization
- Long-term monitoring
Development
- PHP
- MySQL
- HTML5
- CSS3
- JavaScript
- jQuery
- Bootstrap
Data & automation
- ChatGPT
- Claude AI
- Scraping
- REST API
- JSON/CSV
- Google Scripts
- Google Sheets
Marketing
- SEA
- Emailing
- Acquisition management
French
Native or bilingual
English
Fluent
Spanish
Conversational
Can work on-site
Hyères (up to 50km)
Experience
- HUEPAR FRANCECREATION & MANAGEMENTE-COMMERCEJanuary 2018 - June 2025 (7 years and 5 months)French subsidiary of an international industrial group.
REVENUE: €164k → €1.82M (×11) in 4 years • Primarily SEO Acquisition (60%)
- Complete structuring of the French subsidiary
- API interconnection with international logistics platform
- SEO & SEA management
- Coordination of France & China teams
- Commercial and partner management
- Marketing and emailing automation
- MG INNOVATIONSE-COMMERCE ENTREPRENEURSHIPE-COMMERCEJanuary 2018 - Today (8 years and 7 months)Revenue growth: €19k (2019) → €510k (2023)Primarily organic acquisition (≈85%).
- 20+ stores developed and operated
- Complete management: development, marketing, customer service, Ads
- Creation and testing of own brand
- Scraping and API automation
- AWAYERSDATA ARCHITECTURE & MASS SCRAPINGTRAVEL AND TOURISMJanuary 2015 - May 2016 (1 year and 4 months)
- Database >5 million geolocated entries
- Automated multi-source scraping (TripAdvisor, Wikiloc, Google Maps…)
- Internal AI for data normalization and matching
- Complete development from scratch of the ecosystem
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