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Jean-Hugues S.JS

Jean-Hugues S.

Product Designer (UX/UI)

€400/day
1 project
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean-Hugues

🖥️ Product Designer | UX/UI Freelance

I help companies and startups design digital experiences, combining user research, ideation workshops, and interface design.

💡 What I do

- Design and redesign of web & mobile interfaces
- Design system and UI guidelines
- User research and UX testing
- Support for product and tech teams

👥 My background

- Start-up: Design and evolution of a SaaS product, participation in structuring the design team, close collaboration with product and development teams
- Agency & freelance missions: Business applications (e.g., digitalization of industrial processes to replace paper) and cultural projects (e.g., interactive applications for children around music creation, stories, and podcasts)

🎯 What I'm looking for

Freelance UX/UI design missions, on various digital products: SaaS, business applications, cultural projects, or any platform needing user-centered design.

📩 Let's discuss
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 10km), Rennes (up to 10km)

Experience

  • Rout'in
    Product Designer
    HUMAN RESOURCES
    October 2025 - April 2026 (6 months)
    Paris, France
    Responsible for creating user flows and interfaces at Rout'in, an HR tool and employee mobility application for companies looking to offer benefits to their employees.
    During this 6-month mission, I supported the product and technical teams by participating in workshops, and conducting user interviews and tests.
    User Interface Design UX/UI Designer Product Design Interface Design Prototype
  • Voilà
    Product Designer
    SOFTWARE PUBLISHING
    May 2022 - December 2024 (2 years and 6 months)
    Paris, France
    At the B2B startup Voilà, I played a key role in designing several products aimed at providing professionals with a platform to create interactive live events.
    In constant collaboration with the CEO, marketing director, POs, and the technical team, I contributed to the development of the Video Production Studio, the SaaS platform, and the website dedicated to hosting video sessions.

    My missions:

    -User Research(surveys, interviews, competitive analysis)
    - Facilitation ofideation and co-creation workshops(users and team members)
    -Mockup designon Figma (wireframes, prototyping)
    -User testingand iteration sessions
    - Collaboration in anagile environmentwith product and development teams
    -Framer integration

    Voilà is a French platform dedicated to hybrid and digital events, focused on interactivity. Its mission is to transform live digital experiences into immersive ones. It offers an end-to-end solution for managing conferences, seminars, general meetings, product launches, and more, all customizable with white-labeling to perfectly match each client's identity (Orange, Publicis, EDF, AWS, Total Energies, France TV, Heineken, Armani…)
    User Experience Design User Interface Design User Research User Experience (UX) Product Design
  • apini
    UX Designer
    TECH
    January 2021 - May 2022 (1 year and 5 months)
    Rennes, France
    Apini is an agency comprising 50 consultants working across various sectors, from public to private, with expertise in areas such as IT strategy, project governance, enterprise architecture, and security strategy.
    In charge of the UX/UI aspect, I carried out various projects such as:

    - Business applications
    - Digitalization of tools and processes
    - Cultural applications

    My actions:

    -User Research(surveys, interviews, competitive analysis)
    - Facilitation ofideation and co-creation workshops(clients and team members)
    -Mockup designon Figma (wireframes, prototyping)
    -User testingand iteration sessions
    UX/UI Designer User Experience (UX) UI/UX Design User Testing User Testing

Reviews

5.0

Out of 1 rating

F

Fabien

Aquaservices Piscines

Reviewed on 3/4/2025

Excellent collaboration with Jean-Hugues! Professional, responsive, and proactive, he perfectly understood our needs and delivered quality work within the given timeframe. I highly recommend him!

Recommendations

YC
Laetitia CoiffeteauLC
Ekaterina GuillemainEG
Yves Christol and 2 other people have recommended Jean-Hugues

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Education

  • UX Designer
    L'École Multimédia
    2021
    La formation d’UX Designer forme à la conception d’expériences utilisateur optimisées en s’appuyant sur la recherche utilisateur, l’architecture de l’information, le prototypage et les tests d’usage, afin de créer des interfaces intuitives et adaptées aux besoins réels des utilisateurs.

Certifications

  • Advanced Product Discovery
    The Design Crew
    2024
    User Researcher UX Research User Research User Research Qualitative Research Research Market Research Quantitative Research

Skill set

Categories