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Yohan GuyotYG

Yohan Guyot

Product Designer & Design Engineer | SaaS

€500/day
Paris, FR
3-7 years
Product Design
Design System
UI/UX Design
Figma
Front-End Development

Average response time: 1 hour

Freelancer profile translated to English.
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About Yohan

Product Designer with a strong front-end culture, I work with SaaS and tech teams to design complex interfaces and **streamline the design to production handoff**.

My observation is simple: most handoffs waste precious time due to incomplete specs, forgotten edge cases, and mockups disconnected from technical realities.

Thanks to my dual design and dev background, I design interfaces that **integrate production constraints from the very first explorations**.

What I bring to your teams:
  • Complex SaaS Interface Design (dashboards, dense workflows, design systems)
  • Figma Mockups Ready for Integration (Auto-Layout, variables, component documentation)
  • Drastic Reduction in Back-and-Forth between designers and developers

Available for team augmentation or dedicated projects (redesign, creation, design system, audit).

Detailed case studies: yohanguyot.com

Let's discuss your project!
Banking and Financial Services
Digital and IT Services
E-commerce
Digital Business Models
Software Publishing

  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • Yohan Guyot
    Product Designer & Design Engineer
    August 2024 - Today (2 years)
    Paris, France
    Design of web and SaaS interfaces with high business stakes, from user needs scoping to precise technical handoff preparation.
    • Design & Design Systems:Structuring UI libraries in Figma (variables, tokens, auto-layout) aligned with developers' integration constraints.
    • Technical Culture & Prototyping:Using functional prototyping to quickly validate interactions and ensure a seamless transition from mockup to production.
    • Flagship Project (Smart-Chain):Continued collaboration as an independent contractor. UX audits, interface redesigns, and creation of new client projects. Evolution of Bloom (Web3 marketplace) and delivery of Figma libraries ready for integration and handover by the team.
    Design System Front-End Development Claude Code Git Product Design
  • Smart-Chain
    Product Designer
    September 2022 - August 2024 (1 year and 11 months)
    Paris, France
    Lead Designer on Bloom, a white-label Web3/SaaS marketplace requiring a custom dynamic theming system. Simultaneously involved in all agency projects.
    • Product Design & Tokenization:Designing the UI architecture on Bloom (Figma variables, brand tokens) and developing complex SaaS user flows.
    • Audits & Redesigns:Analyzing existing products and redesigning interfaces for other agency clients.
    • Design/Dev Alignment:Preparing precise specifications for front-end teams, ensuring faithful and lossless integration between mockups and code.
    • Operational Support:Providing direct support to other designers on their projects during peak activity and tight deadlines.
    Product Design Design System Figma Functional Specifications Product Strategy
  • Smart-Chain
    UX/UI Designer
    September 2021 - September 2022 (1 year)
    Paris, France
    Designing interfaces and user journeys for various client projects within the agency.
    • Design & Prototyping:Translating functional requirements into wireframes and interactive prototypes to validate user flows before the visual design phase.
    • UI & Components:Creating the first component libraries on Figma to structure and harmonize the agency's graphic deliverables.
    • Execution Rigor:Delivering development-ready mockups, initiating good handover practices with technical teams.
    User Interface Design User Experience Design Design System Prototype Figma
Check out Yohan's experience

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Education

  • Master of Interactivity and UX Design
    IIM - Institute of Internet and Multimedia
    2024
    Conception de produits numériques complexes, architecture d'information et design systems. Un cursus axé sur la structuration d'expériences utilisateur à fort enjeu et l'alignement entre vision produit et contraintes de livraison.
  • Bachelor of Creation and Design
    IIM - Institute of Internet and Multimedia
    2022
    Consolidation des acquis en design interactif et direction artistique web. Cursus axé sur la rigueur typographique, l'approfondissement de l'UX/UI et la réalisation de maquettes et prototypes avancés sur Figma.
Check out Yohan's education

Certifications

Skill set

Product Design
Front-End Development
Claude Code
Design System
User Experience Design
User Interface Design
Prototype
Product Strategy
Functional Specifications
User Research
Figma
JavaScript
Git

Categories