Freelancer profile translated to English.

Description

🚀 Senior Frontend Developer | Next.js · React · TypeScript · Web Performance

You are looking for a frontend expert who can deliver quickly, scale up, and directly impact your business metrics? With 15 years of experience, I have contributed to high-traffic projects for Salomon, ManoMano, and Europcar — fast, scalable, and results-oriented web applications.

What I bring concretely:

· Measurable performance: -40% on LCP, Lighthouse scores in the green zone, top 5 JDN e-commerce

· Fast delivery: immediate integration into an Agile team, total autonomy

· Solid architecture: Next.js (App Router, SSR, SSG), React 18/19, strict TypeScript

· Modern ecosystem: Algolia, Contentful, Sanity, Dynamic Yield, Sentry, Vercel

Technical stack mastered:

· Frontend: Next.js 15, React 19, TypeScript, SCSS, Tailwind

· Backend: Node.js, NestJS, RESTful APIs, PostgreSQL, TypeORM

· CMS & Search: Contentful, Algolia, Sanity

· Monitoring & DevOps: Sentry, Datadog, Vercel, CI/CD

My latest missions:

· Salomon — International e-commerce redesign (Next.js 15, Algolia, Contentful, Vercel)

· Europcar Martinique — Fullstack Lead Dev (NestJS, React Admin, WebPerf)

· ManoMano — React/Next.js/TS redesign (top 5 e-commerce performance JDN)

Immediately available for freelance missions remotely or in Paris. Do not hesitate to contact me to discuss your project!

Industry field of expertise

Languages

English
Conversational
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km), Lyon (up to 50km), Lille (up to 50km), Nantes (up to 50km), Nice (up to 50km)

Salomon
Frontend Developer
RETAIL (LARGE RETAILERS)
November 2024 - Today (1 year and 7 months)
Annecy, France
I took charge of the international e-commerce redesign for one of the most iconic outdoor brands in the world. My playground: the product listing pages — the heart of the acquisition/conversion engine.

What I delivered:
Streamlined server-rendered pages, designed for SEO, real-time data freshness, and advanced personalization (customer groups, localization, stock management). Surgical Algolia integration with SEO facet management, UI/URL mapping, and dynamic API key security. An optimized rendering pipeline via Contentful — ultra-fast initial load, native streaming, intelligent lazy loading. Dynamic Yield integration for high-impact marketing product recommendations. And robust Sentry monitoring for a zero-surprise production environment.

Stack: Next.js 15.3 (App Router / SSR) · React 19 · TypeScript · Algolia · Contentful · Dynamic Yield · Sentry · Vercel
Next.js Front-end Web Developer React.js webperf Next.js Developer
Europcar Martinique
Fullstack Lead Developer
TRANSPORTATION
June 2022 - November 2024 (2 years and 4 months)
Paris, France
Lead Fullstack Dev across all the group's digital platforms. Double mission, double impact: boost frontend performance to make it unmatched, and build a management back-office worthy of major companies from scratch.

What I delivered:
A complete performance overhaul: lazy loading, WebP images, JS/CSS minification, CDN — result: LCP reduced by 40%, Core Web Vitals in the green, top Lighthouse scores. A modular and scalable RESTful API under NestJS + TypeORM + PostgreSQL, with fine-grained role and permission management. A React Admin interface tailored for business teams — dashboards, fleet/rental/user management — deployed in production and adopted daily.

Stack: Next.js · React · NestJS · TypeORM · PostgreSQL · React Admin · CDN
Next.js React.js Web Performance Fullstack Front-End Development
Manomano
Frontend Developer
E-COMMERCE
August 2020 - June 2022 (1 year and 11 months)
Paris, France
Within a high-performing Agile Scrum squad, I participated in the complete redesign of one of the most ambitious e-commerce platforms in France — and we didn't go unnoticed.

What I delivered:
An SSR application built with Next.js + TypeScript, pixel-perfect on SCSS mockups. Advanced performance optimizations (lazy loading, reducers) that propelled ManoMano into the Top 5 fastest e-commerce sites according to the JDN ranking. Controlled production deployment, as a team, with a real quality culture.

Stack: React.js · Next.js · TypeScript · SCSS · SSR
React.js Next.js Next.js Development Next.js Developer Typescript