Freelancer profile translated to English.
Back to original languageAbout Rodolph
Senior Frontend Developer | Next.js | React
Does yourweb applicationneed a senior frontend developer capable of delivering high-performing, scalable, and conversion-oriented interfaces?
I work on yourReact / Next.jsprojects to design, develop, and optimize your interfaces, from prototype to production.
8 years offrontendexperience, including 6 at **Bouygues Télécom Entreprises**. Concrete results: +20% conversion, loading time halved, Lighthouse score from 50 to 90, catalog from 300 to 1500 pages without performance loss, test coverage from 25% to 65%.
Projects and achievements
-Bouygues Télécom Entreprises(6 years) - 60+ React components delivered, B2B e-commerce journey, high-conversion landing pages, dynamic pricing grids. LCP reduced from 4.3s to 2.5s.
-AI Toolsfor businesses
-Zenstim- E-commerce site redesign, WordPress and Shopify theme creation, Lighthouse score 90+
-Dentsu Aegis Network- SEO Consultant, technical audits, and acquisition strategies
Tech Stack
- **Frontend**: React, Next.js (SSR, SSG), TypeScript, JavaScript, TailwindCSS, GSAP
- **E-commerce**: Magento 2, Shopify, WooCommerce, Prestashop
- **SEO**: Core Web Vitals, Lighthouse, semantic markup, Schema.org
- **Tools**: Git, Figma, JIRA, Docker, AWS
- **AI**: Claude Code + MCP
Services:Next.js Application|React Frontend| Frontend Redesign | Performance Optimization | Landing Pages | Figma Integration | Technical SEO
Why work with me?
- +20% conversion, Lighthouse 50→90: quantifiable and verifiable results
- 6 years at Bouygues Télécom Entreprises (large enterprise B2B e-commerce)
- 30% less development time thanks to AI (Claude Code + MCP)
- Autonomous, results-oriented, available remotely or on-site
+20% conversion. Lighthouse 50→90. 60+ React components. Bouygues Télécom 6 years.
Available to discuss your project. Quick response.
English
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km), Lille (up to 50km), Nantes (up to 50km)
Experience
- Bouygues Télécom Entreprises - React/Next.jsSenior Frontend Developer | React, TypeScript, Next.jsTELECOMMUNICATIONSSeptember 2020 - Today (5 years and 9 months)Boulogne-Billancourt, FranceObjective: design and deliver the frontend interfaces for the B2B e-commerce journeys of **Bouygues Télécom Entreprises**, with a focus on performance and conversion.Challenges: improve conversion rate, reduce loading times, and scale the catalog from 300 to 1500 pages without performance loss.Stack:React, TypeScript, Next.js,TailwindCSS, GSAP, GraphQL, REST APIMy missions:- 60+ React components delivered (B2B e-commerce journeys, landing pages, dynamic pricing grids)- GDPR-compliant forms with lead tracking- Integration of REST and GraphQL APIs, management of asynchronous states, caching strategies- Jest tests: coverage from 25% to 65%, 40% reduction in production regressions- Systematic code review and mentoring of junior developers- AI workflow: orchestration of agents via Claude Code (CLI) + MCP, 30% gain in development timeResults: +20% conversion. LCP reduced from 4.3s to 2.5s. Lighthouse score from 50 to 90. Catalog from 300 to 1500 pages.
- Freelance - Sites vitrines React / Next.jsFreelance Frontend Developer | React, Next.js, TailwindCSSE-COMMERCEJanuary 2021 - December 2023 (2 years and 11 months)Objective: design and deliver high-performing, conversion-oriented showcase websites for **VSEs/SMEs**, integrating online appointment booking and qualified lead generation.Challenges: provide local artisans and businesses with a professional, fast, and well-referenced web presence, while simplifying contact and booking for their end customers.Stack:React, Next.js, JavaScript/TypeScript, TailwindCSS**, Framer Motion, **React Hook Form**, REST API, Headless CMS, **VercelMy missions:
- Design and development of 3 turnkeyReact/Next.jsshowcase websites: lapattedebella.fr (2021) — website for a dog trainer with an appointment booking form; idealtherm.fr (2022) — B2B/B2C product website for an innovative heating and cooling solution, with qualification and quote request process; controle-technique-lasalvetat.fr (2023) — website for a technical inspection center with an online booking module
- Architecture of reusable React components (service cards, forms, CTAs, animated hero sections)
- Integration of GDPR-compliant forms with validation (React Hook Form + Zod) and submission to API/CRM
- Smooth animations and micro-interactions via Framer Motion to enhance engagement
- Technical SEO optimization: semantic markup, Schema.org (LocalBusiness), sitemap, dynamic meta tags
- Core Web Vitals optimization: image lazy-loading (next/image), code splitting, static pre-rendering (SSG)
- Mobile-first responsive design with TailwindCSS
- Production deployment and **CI/CD via Vercel**, DNS configuration and monitoring
- Client training on content updates viaheadless CMS
Results: Lighthouse scores > 90 on all 3 sites. Loading time < 2s on mobile. +35% average qualified appointment requests in the 3 months following launch. Bounce rate halved on idealtherm.fr after redesign. - ZenstimFrontend Developer | React, WordPressHEALTH AND WELLNESSApril 2024 - March 2026 (1 year and 11 months)Paris, FranceObjective: design and develop high-performing, accessible, and SEO-optimized websites for clients in the health and wellness sector.Challenges: web performance (Core Web Vitals), technical SEO, mobile-first user experience.Stack:React,JavaScript, **WordPress**, HTML5, CSS3My missions:- Development of reusable React components and integration of REST APIs- Creation of custom WordPress themes (ACF, hooks, WP_Query optimization)- Custom Shopify Liquid themes, conversion funnel optimization- Lighthouse score 90+, lazy loading, asset minification, WebP/AVIF- Technical SEO audits (crawlability, Schema.org, 301 redirects)- Acquisition strategy: semantic research, semantic cocooning, link building
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Education
- Master's degree in Digital Communication, Project Management, and Strategic Watch / Mention Fairly GoodParis VIII2015Maîtrise stratégique des outils de communication numérique (médias électroniques, Internet, produits interactifs). - Conduite de projets de communication numérique. - Veille éditoriale et concurrentielle. - Socio-économie des usages des TIC - Marketing interactif - Benchmark de sites web - Les acteurs du web et des médias - Le web participatif, analyse critique