About Guillaume
French
Native or bilingual
English
Native or bilingual
Experience
- Nobis-WebFounder & WordPress ConsultantCONSULTING AND AUDITSApril 2026 - Today (2 months)Versailles, FranceFounder of Nobis-web.fr, I help businesses, freelancers, and e-commerce owners in the creation, evolution, and optimization of their WordPress sites. I specialize in custom development, redesigns, WooCommerce, performance (Core Web Vitals), technical GEO SEO, evolutionary maintenance, and security. My approach combines technical expertise with a business vision, with a clear goal: a fast, reliable, visible, and profitable website.
- TRANSATEL (an NTT company)Full Stack DeveloperTELECOMMUNICATIONSJune 2024 - Today (2 years)Paris, FranceI contribute to the development, optimization, and maintenance of several web projects and applications for Transatel and its subsidiary Ubigi, combining technical expertise with coordination with product, marketing, and design teams.I actively participate in proposing technical solutions and organize follow-up with marketing, design, and development teams to ensure performant, maintainable, and scalable websites and applications.
- RightpriceCreator & Full Stack Developer – Rightprice (UK)REAL ESTATEMarch 2023 - Today (3 years and 3 months)England, UKKey features and responsibilities:• Development of the Chrome extension in React and TypeScript, integrated directly into Rightmove listing pages.• Cross-referencing data via multiple APIs to enrich each listing with advanced information.• Design of a custom backend based on WordPress used as an internal API, including a custom database to store real estate price history.• Automated scraping of Rightmove to continuously collect new listings, initial prices, and price changes.• Data analysis and display: showing price history directly on listings, highlighting price drops.• Product lifecycle management: design, development, maintenance, functional evolution, and usage monitoring.
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Education
- JAVASCRIPT WEB DEVELOPERWild Code School2018DÉVELOPPEUR WEB JAVASCRIPT
- Computer Science Program CS50xHarvardX2023Computer science program