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I'm Sébastien Baudrier, a front-end expert with a passion for cinema, high-tech and emerging technologies (video games, virtual reality). I also enjoy skiing and table tennis. As a React/TypeScript developer, I have a strong UX/UI mindset, following W3C standards as well as accessibility and SEO best practices. My UX/UI sensitivity goes hand-in-hand with my interest in responsive design and CSS animations. I also serve as a bridge between developers, design teams and product, and I value craftsmanship, servant leadership, and a collaborative work environment.…I'm Sébastien Baudrier, a front-end expert with a passion for cinema, high-tech and emerging technologies (video games, virtual reality). I also enjoy skiing and table tennis. As a React/TypeScript developer, I have a strong UX/UI mindset, following W3C standards as well as accessibility and SEO best practices. My UX/UI sensitivity goes hand-in-hand with my interest in responsive design and CSS animations. I also serve as a bridge between developers, design teams and product, and I value craftsmanship, servant leadership, and a collaborative work environment.

Sébastien Baudrier

Front-End Developer, UI Designer, UX Designer, +2

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I'm Sébastien Baudrier, a front-end expert with a passion for cinema, high-tech and emerging technologies (video games, virtual reality). I also enjoy skiing and table tennis. As a React/TypeScript developer, I have a strong UX/UI mindset, following W3C standards as well as accessibility and SEO best practices. My UX/UI sensitivity goes hand-in-hand with my interest in responsive design and CSS animations. I also serve as a bridge between developers, design teams and product, and I value craftsmanship, servant leadership, and a collaborative work environment.…I'm Sébastien Baudrier, a front-end expert with a passion for cinema, high-tech and emerging technologies (video games, virtual reality). I also enjoy skiing and table tennis. As a React/TypeScript developer, I have a strong UX/UI mindset, following W3C standards as well as accessibility and SEO best practices. My UX/UI sensitivity goes hand-in-hand with my interest in responsive design and CSS animations. I also serve as a bridge between developers, design teams and product, and I value craftsmanship, servant leadership, and a collaborative work environment.

Available to hire

I’m Sébastien Baudrier, a front-end expert with a passion for cinema, high-tech and emerging technologies (video games, virtual reality). I also enjoy skiing and table tennis.

As a React/TypeScript developer, I have a strong UX/UI mindset, following W3C standards as well as accessibility and SEO best practices. My UX/UI sensitivity goes hand-in-hand with my interest in responsive design and CSS animations. I also serve as a bridge between developers, design teams and product, and I value craftsmanship, servant leadership, and a collaborative work environment.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Intermediate

French

Fluent

Work Experience

Front-End Developer at HERMÈS DIGITAL

September 1, 2025 - November 21, 2025

Front-End Developer on the Product Detail Page (PDP) for Hermes.com; improvements and visual redesign of the e-commerce site; worked with AngularJS, TypeScript, Figma, Confluence, Docker, ESLint, SonarQube, JIRA.

Tech Lead Front-End at SNCF CONNECT & TECH for Gares & Connexions

September 28, 2022 - August 20, 2025

Led frontend development for the LIVE project, coordinating with 1 PM + 8 POs and guiding a program with 51 Full-Stack developers across 8 squads. Built a React/Node/AWS web application for real-time supervision of train operations and management of station displays, wrote technical studies, delivered POCs demonstrating CPU performance gains (CSS animations, component lifecycle optimization, efficient API schema and data handling), mentored developers through pair/mob programming, and supported QA on-site during deployments. Established a collaboration framework between UX teams and engineers and presented work to Accessibility Commissions for passenger accessibility.

Front-End Developer at ACCORHOTELS

January 17, 2022 - September 20, 2022

Front-End Developer on the ASTORE project (hotel procurement center/marketplace). Implemented UI features with React/Next.js/GraphQL, collaborated with design and product teams, maintained code quality with ESLint/Husky, and contributed to design-system initiatives.

Front-End Developer at VPAUTO

February 1, 2021 - January 14, 2022

Front-End Developer on the B2B VPAuto Marketplace for digital car auctions. Built responsive UI with React/Next.js/GraphQL, integrated React Query, and contributed to component libraries (Storybook).

Front-End Developer at MANUTAN

October 19, 2020 - January 31, 2021

Front-End Developer on the All4U Approvals project: implemented access rights management UI using React/Next.js; collaborated with backend teams and ensured accessibility and responsive design.

Front-End Developer at EFFICACITY

January 20, 2020 - September 30, 2020

Front-End Developer on URBANPRINT, an urban planning mapping tool to calculate ecological coefficients of buildings. Worked with HTML/CSS/jQuery/Bootstrap and Python/Django integration; contributed to mapping features (Leaflet).

Front-End Developer at LE FIGARO

January 11, 2016 - November 10, 2016

Front-End Developer on the brand’s websites (lefigaro.fr, madame.lefigaro.fr, sport24.com, etc.); worked with HTML/CSS/JS (jQuery/Preact) and modern frontend tooling.

Front-End Developer at VEEPEE (ex Vente-Privee)

January 11, 2016 - March 1, 2019

Front-End Developer on the CARTE ROSE project (2 years) and multiple internal tools. Built UI with React/Next.js/Redux; contributed to performance improvements and frontend modernization.

Front-End Developer / CSS Integrator at CARDIWEB

September 1, 2010 - June 1, 2011

Front-End Developer / CSS Integrator on the group’s client websites (FNAC, MALAKOFF-MÉDÉRIC, ÉDITIONS ATLAS, VIPARIS, …); UI implementation and integration.

Front-End Developer / CSS Integrator at FULLSIX

April 1, 2007 - April 1, 2010

Front-End Developer / CSS Integrator for major clients (SFR, CLUB MED, COCA-COLA, SNCF, RENAULT, …); implemented responsive UI using HTML, CSS/SASS, and JS.