Freelancer profile translated to English.

Description

Freelance senior specialized in Design Systems and React front-end architecture.

I support product teams (SaaS, apps, platforms) in the design, redesign, and industrialization of React / TypeScript Design Systems, in order to improve front-end quality, UI consistency, and interface scalability.

My expertise is needed when:

The Design System becomes difficult to maintain
Components lack consistency or documentation
Front-end debt slows down delivery

Key expertise:

Design System from scratch or redesign
Scalable front-end architecture (React / TypeScript)
Storybook, documentation, and team adoption
Front-end quality: testing, performance, accessibility
Technical lead & mentoring

Main stack: React, TypeScript, Next.js, Storybook, Tailwind / CSS Architecture, ShadcnUI, Cypress

👉 Long-term missions, full remote, demanding product teams.

Industry field of expertise

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Allia
Senior Frontend – Product Architecture (AI MVP)
BANKING AND INSURANCE
July 2025 - December 2025 (5 months)
Paris, France
Context
Early-stage startup developing an AI-oriented MVP.

Mission
Technical support for the MVP design, with a strong focus on architecture.

Key Actions
Development of the frontend in Next.js
Setup of the backend with NestJS and Supabase
Definition of product architecture foundations
Direct collaboration with founders
Results
Functional MVP delivered quickly
Sound and scalable technical foundation
Accelerated time-to-market
Next.js Web Architecture MVP NestJs Supabase
Zeliq
Senior Frontend – Design System Referent
TECH
June 2024 - July 2025 (1 year and 1 month)
Paris, France
Context
Fast-growing B2B SaaS scale-up, needing to structure its front-end and improve product quality.

Mission
Design and development of V2 of product sequences
Design System referent role for the front-end team
Industrialization of UI quality and visual testing

Key Actions
Structuring and evolution of the React Design System
Setup and maintenance of Storybook
Deployment of visual testing with Chromatic
Close collaboration with product & design
Ensuring UI consistency and front-end quality

Results
Improved interface consistency
Reduced UI regressions
Accelerated front-end delivery
Design System Storybook React.js Chromatic Web Quality
PLANITY
Lead Frontend / Design System Architect
TECH
June 2023 - March 2024 (9 months)
Paris, France
Context
Leading platform for venue management with significant cross-platform consistency challenges (Web & Mobile).

Mission
Implementation of a cross-platform Design System shared between web and mobile applications.

Key Actions
Design of the React & React Native Design System
Definition of common Web / Mobile UI standards
Setup of Storybook and Chromatic visual testing
Structuring of reusable components
Supporting teams in Design System adoption

Results
UI consistency between Web and Mobile
Improved front-end maintainability
Progressive adoption by product teams
Design System React Native React.js Chromatic Storybook