Freelancer profile translated to English.

Description

Developer for over 15 years, frontend expert — I design reliable, accessible, and maintainable web interfaces for high-traffic consumer products: Ouigo/SNCF, Leboncoin, Galeries Lafayette, FDJ.

What I bring to product teams:

• Mastery of React, Vue, and Svelte, with a true quality culture (unit tests, end-to-end, TDD, CI/CD).

• Implementation and industrialization of design systems (Storybook, versioned components, private npm registries).

• Accessibility compliance (RGAA) on consumer applications.

• Frontend project architecture and technical debt resolution without blocking the roadmap.

Former "fullstack" developer, with an interest in design.

Languages

English
Fluent
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

Squirel
Front-end Developer
TRANSPORTATION
September 2023 - December 2025 (2 years and 3 months)
Paris, France
Company specializing in information systems for the railway sector, with clients including SNCF Voyages subsidiaries: Ouigo France, Ouigo Spain, and Junior & Cie.

Maintenance and evolution of the Ouigo France sales web application:

• Participation in improving sales and after-sales ticketing processes.
• Participation in accessibility compliance.
• Use of Storybook for developing reusable components of the "design system".
• Participation in migrating external libraries to recent versions.
• Participation in refactoring the codebase.

Development of a web application for "anonymizing" traveler data:

• Project architecture selection and implementation.
• Implementation of pages, components, routing, and API access.
• Development of automated unit tests.
• Introductory documentation for development on the web application.

Maintenance and evolution of the Junior & Cie sales website:

• Graphic update of the web application.
• Participation in accessibility compliance.

Participation in the re-development of the Junior & Cie agent portal:

• Participation in the development of the "agent" booking/exchange/modification tunnel.
• Development of travel availability calendar pages.
• Participation in the development of travel tracking pages — passengers on board, boarding/disembarking stations, incidents.
Agile environment, teams of 4 to 6 developers, 1 product owner, 3 to 4 QAs.
React.js HTML5/CSS3 Typescript redux
Hyperlex
Frontend Developer
SOFTWARE PUBLISHING
July 2022 - October 2022 (3 months)
Paris, France
Company offering an online ergonomic and secure contract management solution, designed to structure and accelerate all client contractual processes to control legal and financial risks.

Maintenance and evolution of the contract management web application.
Vue.js Vuex HTML5/CSS3 Typescript
BforCure
Frontend Developer
BIOTECH
November 2021 - June 2022 (7 months)
Paris, France
Company developing ultra-fast PCR diagnostic instruments and reagents, and cellular microbiome analysis for medical, industrial, and environmental applications.

Development of a web application for visualizing data provided by diagnostic instruments:

• Architecture for refactoring the existing system and adding visual and functional automated tests.

• Creation of a library of common components for multiple applications using Storybook for isolated design and testing.

• Implementation of continuous integration with gitlab ci for tests, potential updates of visual test screenshots, and publishing component npm packages to a private npm registry.

• Usage and architecture documentation.

• Mentoring a developer in adopting the new architecture and writing automated tests.
Vue.js Vuex HTML5/CSS3 Gitlab CI/CD JavaScript