Freelancer profile translated to English.
Back to original languageAbout Steve
Design system specialist, as an engineer and leader. Former tech lead of Back Market's DS, I have managed design systems in agencies, scale-ups, and large enterprises. I have been writing accessible and WCAG-compliant code for over 5 years.
I am very involved in the ecosystem of tools around DS. As a Community Advocate and regular contributor to Storybook, I manage a collective of Storybook addon developers. I also develop a Figma API client and tools around design tokens. I participate in W3C's work on the standardization of design tokens.
I am internationally recognized in the DS community, with participations in Figma Config, The Design System Podcast, The Question, and Design Systems France, and events co-organized with Storybook and Figma.
French
Native or bilingual
English
Native or bilingual
Spanish
Conversational
Can work on-site
Paris (up to 10km)
Experience
- StorybookConsultant - Development & Community EnablementSOFTWARE PUBLISHINGAugust 2025 - August 2025Seine-Saint-Denis, France• Storybook accessibility project: built a prioritised roadmap for known issues, and am developing components and patterns to help us comply with WCAG• I help grow the contributor community by triaging issues and PRs, supporting developers in our community space and encouraging key individuals to take ownerships of addons, open-source their work and become longer-term contributors
- France TélévisionsConsultant - Design System EngineeringPRESS AND MEDIAFebruary 2024 - August 2025 (1 year and 6 months)Paris, France• Designed and built a CD workflow for design tokens and assets including changelogs, release notifications, generated documentation and changereview tools, eliminating human errors and increasing change awareness across teams• Co-built a multi-brand design token system, serving Web, mobile and TV apps• Built Figma code generation plugins to help developers code faster and apply tried-and-tested code patterns at scale• Built a DebugBear log analysis tool allowing frontend teams to measure how code changes impact Web metrics, with built-in checks for statistical significance and normalisation to match our audience demographics• Facilitated cross-functional collaboration to ensure the design system is aligned with requirements from brand, SEO, infrastructure and a11y expertise
- Back MarketSenior II UX Engineer - Design SystemE-COMMERCEApril 2022 - February 2024 (1 year and 10 months)Paris, France• Built a DS component A/B test framework, seamlessly integrated into our PR/ CI workflows, letting engineers set up tests in minutes (presented at Config 2024)• Automated the continuous delivery of design tokens, icons and fonts to Web, iOS and Android codebases from a single source of truth• Rebranded over 60 Design System components in weeks• Improved our ability to make breaking changes by building a Vue codemodding engine to migrate thousands of files in minutes• Overhauled our contribution model to eliminate drift and time sinks and better account for technical and accessibility requirements• Redesigned our support workflow and tooling to improve issue prioritisation, workload balance and time to resolution
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Education
- Doctor of Philosophy (PhD), Human Computer InteractionUniversity College London, U. of London2017Doctor of Philosophy (PhD), Human Computer Interaction
- Master of Research in Computer Science, Computer ScienceINSA RENNES2012Master de Recherche en Informatique, Informatique