Freelancer profile translated to English.
Back to original languageAbout Alexandre
Web Developersenior specializing in frontend performance and technical SEO.
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16 years of experience in real-world production — including 5 years as a frontend developer on lemonde.fr and telerama.fr, two high-traffic editorial platforms whereperformance, SEO, and accessibilityare critical.
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I work on projects requiring fast, maintainable, and long-lasting web systems:custom websites**, **web applications**, business tools. Creation of **websites**, **frontend redesign**, and **WordPress migrationfor SMEs and startups.
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My approach is pragmatic: avoid overly complex systems, and build solutions that are truly usable by teams, with simple and maintainable interfaces.
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Frontend & Product Engineering
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E-commerce
I work onShopifystorefronts to optimize performance, **CRO**, and **user experience**.
Development and customization ofShopify Liquidthemes, creation of custom modular sections,mobile optimization**, improvement of the purchasing journey, and maintainable **frontend integrationover time.
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I can be involved:
- on an existing codebase,
- as product/feature support,
- or on awebsitedeveloped **from scratch**.
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References
Large group: Le Monde, Télérama, Le Nouvel Obs
Agencies: BETC Full Six, FCINQ, Seenk
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Stack
JavaScript, TypeScript, React, Svelte, Astro, WordPress, HTML, CSS, PHP, Technical SEO, Core Web Vitals, Figma.
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Feel free to send me your requests by message.
Alexandre.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 30km), Lyon (up to 30km), Lille (up to 30km), Bordeaux (up to 30km), Nantes (up to 30km)
Experience
- alxdsn.fr/studioFreelance — Senior Web Developer · SEO & PerformanceSOFTWARE PUBLISHINGNovember 2009 - Today (16 years and 7 months)Paris, FranceFreelance web developer since 2009.I design fast, maintainable, and easy-to-administercustom websites— without complex **WordPress**, without fragile plugins, without technical debt.References: complete redesign of lemonde.fr for 5 years (millions of daily readers), then telerama.fr.The same level of requirement applied today to projects for SMEs, startups, freelancers, and artisans.Services:
- Customshowcase website
- WordPress migration to modern architecture
- WordPress site customization
- WordPress site optimization
- Conversion-oriented landing page
- CustomShopifystore
- Shopify theme development and modular sections
- Backoffice and internal tools
- Custom business application
- Responsive HTML newsletter with MJML
- Technical SEO, Core Web Vitals, and WCAG accessibility
What you get:- Afast and maintainable websiteover time
- Excellentmobile performance
- Asolid SEO architecturefrom the start
- A simple administration area to manage your content autonomously
Technologies: **HTML, CSS/SCSS, JavaScript, TypeScript, Svelte, Astro, PHP, Alpine.js, HTMX, Tailwind CSS, Shopify Liquid, React, MJML, WordPress**. - Le MondeRedesign of the editorial website lemonde.frPRESS AND MEDIAJuly 2018 - March 2023 (4 years and 8 months)Paris, FranceFrontend developerfor the complete redesign of the lemonde.fr **website**, as part of a squad of 5 backend developers.Millions of daily readers.Design and development of the site's frontend architecture: page structure, mega-menu, editorial templates, newsletter templates, and subscriber journeys for Le Monde, Le Nouvel Obs, and Télérama.Development inHTML**, **CSS**, and **native JavaScript**, without a frontend framework, on a **PHP / Phalconstack.Hybrid BEM + Atomic CSS architecture designed for maintainability and performance.Daily work on issues related to:*Web Performance*Technical SEO*Core Web Vitals*Accessibility
- Frontend scalability
- CSS architecture
- High-traffic editorial systems
A system where hundreds of articles were published daily with a high level of stability and reliability. - TéléramaRedesign of the editorial website telerama.frPRESS AND MEDIAMarch 2023 - February 2024 (11 months)Paris, FranceComplete frontend redesign of the telerama.frwebsitewithin a squad of 6 developers (5 backend, myself in frontend).Same architectural approach as on lemonde.fr: development inHTML**, **CSS**, and **native JavaScripton aPHP/ Phalcon stack, without a frontend framework.Design and development of:
- Frontend architecture
- Navigation structure
- Editorial templates
- Section pages
- Reusable component system
- TV program interface (schedule, show details)
Architecture designed to handle a volume of heterogeneous editorial content: reviews, series, films, podcasts, daily cultural content.Work on issues related to:*Web Performance*Technical SEO*Core Web Vitals*Accessibility- CSS architecture
- Frontend scalability
- High-traffic editorial systems
Implementation of a maintainable and robust frontend capable of supporting large-scale daily publications without relying on a JavaScript framework.
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Education
- BTS Management Information SystemsLycée Turgot2006Formation orientée développement web : PHP, HTML/CSS, création de sites internet et bases en Java.