Freelancer profile translated to English.
Back to original languageAbout Sonia
Hello and welcome to my profile!
Passionate about creating clear and effective experiences, I enjoy working with product and technical teams to transform an idea into an engaging interface.
With6 years of experience in product designand10 years in front-end integration**, I combine **user researchandUX/UI designto translate complex needs into elegant and intuitive solutions, while ensuring their technical feasibility.
🧭My approach
- **User Research**: audits, interviews, testing, and iterations
- **UX/UI Design**: low and high-fidelity prototypes, design system
- **Technical Culture**: understanding and considering the constraints related to solution development
🎯My strengths
- **Dual Design & Tech Expertise**: I speak the language of developers as well as users
- **SaaS & Agility Focus**: I am comfortable in rapidly evolving product environments
- **Frictionless Collaboration**: I bridge the gap between design, product, and technical teams
🚀 **My goal**: to design experiences that are both simple for the user, relevant to business objectives, and technically feasible.
💬 Do you have a project or idea to bring to life? I would be happy to discuss it and see how I can support you.
French
Native or bilingual
English
Conversational
Spanish
Conversational
Can work on-site
Paris (up to 50km)
Experience
- SGDSN Secrétariat Général de la Défense et de la Sécurité NationaleUX/UI Designer - Front-end IntegratorDEFENSE AND MILITARYJanuary 2020 - December 2024 (4 years and 11 months)Paris, FranceAnalysis & Scoping• Ergonomic audit based on usability heuristics (Bastien & Scapin)• Data collection:◦ Quantitative (log analysis)◦ Qualitative (observation, focus groups, interviews)• Definition of use cases and project scoping• Writing and prioritizing UX/UI-oriented Jira ticketsDeliverables• Creation and redesign of application tools using the Design Thinking method• Facilitation of design workshops with stakeholders• User journey design• Creation of low and high-fidelity prototypes on Figma• Work on information architecture and UX Writing• User testing and feedback analysis• Documentation on Confluence - design review• Implementation of a structured Design System following the Atomic Design approach (Figma & Storybook)Environment• Figma, Jira, Confluence• HTML, SCSS, Storybook, Angular, PrimeNG
- Hello bank!UI Designer - Front-end IntegratorBANKING AND INSURANCENovember 2016 - January 2020 (3 years and 2 months)Paris, France• Responsible for the Hello bank! Acquisition website and Landing Pages• Integration of the Hello bank! website redesign based on mockups delivered on Zeplin - Technical context HTML, SASS, npm, Node.js, Gulp.js and Git• Creation of a Front-end Design System during the website redesign• Creation of Mabanque and Hello bank! Landing Pages on Photoshop then in AMP and via Nuxt.js for Digital Marketing (Tracking, Media, Non-Media)• SEO to improve performance according to Google recommendations
- Easyvoyage (groupe Webedia)Front-end Integrator - UI DesignerTRAVEL AND TOURISMOctober 2013 - April 2016 (2 years and 6 months)Paris, France• Redesign and creation of interfaces on Illustrator and Photoshop• Evolution of the Easyvoyage website in HTML5/CSS3/JSON/JS (internal frameworks) and RWD under JAVA EE in a GIT environment• Migration and evolution of the Le Bon Guide website (Webedia group) in HTML5/CSS3/RWD/Bootstrap/JQuery
Recommendations
CM
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Education
- English B2- Cercle des langues2024Anglais
- FIGMA- TCT2023FIGMA
Certifications
- UX/UI Designer CertificationUsabilis2025