Freelancer profile translated to English.

Description

Product Engineer with16 years of real-world production experience— including 5 years as a frontend developer onlemonde.frandtelerama.fr**, two very high-traffic editorial platforms where **performance**, **SEO**, **accessibility**, and **reliabilityare critical.

I work on projects requiring the construction of solid, fast, and maintainable products:web applications**, **frontend redesigns**, **business tools**, **automations**, and integration of **AIinto existing workflows.

My approach is pragmatic: avoid overly complex systems, move fast, and build solutions that are truly usable by the teams.

Frontend & Product Engineering

**React**, **Next.js, TypeScript, Astro**, frontend architectures, design systems, **Core Web Vitals, technical SEO**, accessibility, performance optimization.

AI & Automation

n8nworkflows,OpenAI / Claudeintegration, process automation, simple AI agents, content generation, data processing pipelines, connection between business tools and APIs.

I can be involved in:

an existing codebase,
as product/feature support,
or on a project developed **from scratch**.

References

Le Monde— participation in the complete frontend redesign of lemonde.fr, strong constraints of large-scale performance and traffic.

Télérama— complete rebuild of telerama.fr with a custom frontend architecture (PHP / Phalcon / Volt).

Stack

**JavaScript, TypeScript, React, Next.js, Astro, HTML/CSS, PHP, Supabase, n8n, OpenAI API, Claude API, technical SEO, Core Web Vitals, Figma**.

Process

Scoping call → technical and product validation → development → deployment with support.

Availablefully remotefor short or long missions.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 30km), Lyon (up to 30km), Lille (up to 30km), Bordeaux (up to 30km), Nantes (up to 30km)

alxdsn.fr/studio
Freelance — Senior Web Developer SEO & Performance
DIGITAL AND IT
November 2009 - Today (16 years and 7 months)
Paris, France
Freelance 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 oflemonde.frfor 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:

*Custom showcase website

*Website Redesign

*WordPress Migration to Modern Architecture

*Conversion-oriented Landing Page

*Custom Shopify Store

*Shopify Theme and Modular Section Development

*Backoffice and Internal Tools

*Custom Business Application

*Responsive HTML Newsletter with MJML

*HTML CSS Integration from Figma Mockups

*Technical SEO, Core Web Vitals, and WCAG Accessibility

What you get:
Afast and maintainable websiteover time
*Clean and documented code
Excellentmobile performance
Asolid SEO architecturefrom the start
A simple administration area to manage your content independently

Technologies: **HTML, CSS/SCSS, JavaScript, TypeScript, Svelte, Astro, PHP, Alpine.js, HTMX, Tailwind CSS, Shopify Liquid, React, MJML**.

Since 2025, I also integrate automation workflows andAItools (agents, **n8n**, LLM integration) into client projects.
Web Performance Technical SEO AI Agent Core Web Vitals Artificial Intelligence
Le Monde
Frontend Developer
PRESS AND MEDIA
July 2018 - March 2023 (4 years and 8 months)
Paris, France
Solefrontend developerfor the complete redesign of **lemonde.fr**, 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 CSS architectureBEM + Atomic CSSdesigned 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.
JavaScript Web Development Core Web Vitals Website Creation HTML/CSS
Télérama
Frontend Developer
PRESS AND MEDIA
March 2023 - February 2024 (11 months)
Paris, France
Complete frontend redesign oftelerama.frwithin a squad of 6 developers (5 backend, myself frontend).

Same architectural approach as onlemonde.fr**: development in **HTML**, **CSS**, and **native JavaScripton aPHP / Phalconstack, without a frontend framework.

Design and development of:

*Frontend Architecture

*Navigation Structure

*Editorial Templates

*Section Pages

*Reusable Component System

*TV Guide Interface(schedule, show details)

Architecture designed to handle a volume of heterogeneous editorial content: reviews, series, movies, podcasts, and daily cultural content.

Work on issues related to:

*Web Performance

*Technical SEO

*Core Web Vitals

*Accessibility

*CSS Architecture

*Scalability

*High-traffic Editorial Systems

Implementation of a maintainable and robust frontend capable of supporting daily large-scale publications without reliance on a JavaScript framework.
Front-End Development JavaScript Core Web Vitals Web Performance Website Creation