Sébastien Plassiard, Designer in Lyon, France
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Sébastien Plassiard

Verified Expert  in Design


Lyon, France
Toptal Member Since
May 24, 2017

Sébastien is a French art director and UX/UI designer with 10+ years of work experience. He's endowed with a strong creative knowledge in branding and eCommerce—specializing in launching products, eCommerce conversion optimization, and crafting designs for mobile applications and video games.


Work Experience

Senior Product Designer

2016 - PRESENT
Freelance Work
  • I accompany companies from end to end in their digital transformations, or in their research and development needs with a Design Thinking expertise centered on the human being.
  • My specialties :. User Experience Design • User Interface Design • Design Thinking Process • User Research • Prototyping • Design System • Design IoT.
  • 👉 Launch a new product or service. 👉 Fluidify your customers' journeys. 👉 Improve the productivity of your design teams. 👉 Improve your design at scale. 👉 Innovate to stand out from the competition. 👉 Deployed an in-house design approach.
Technologies: Axure, Balsamiq, Cinema 4D, Principle, Flinto, Sketch, Adobe Suite, Figma, UX Design, UI Design, Design Systems

Co-Owner | Creative Director

2014 - 2016
  • Worked for Tango+Tango, a creative studio based in Buenos Aires founded in 2014—specializing in the 360° communication for international clients who want to outsource their business communication and projects in South America.
Technologies: Microsoft Office, InVision, Sketch, Axure, Balsamiq, Adobe Suite

Art Director | UI Designer

2013 - 2014
  • Worked for the Coca-Cola Company (South America) and Samsung.
Technologies: Adobe Suite

Art Director | UX/UI Designer

2012 - 2014
Freelance Work
  • Worked for different companies in the United States, Canada, France, Cayman Island, Indonesia, and Argentina.
Technologies: Balsamiq, Adobe Suite

Art Director | UI Designer

2011 - 2012
  • Worked on digital, operational, relational, and experiential marketing.
  • Designed the Eiffel Tour website during this period.
Technologies: Adobe Suite

Art Director

2010 - 2010
Freelance Work
  • Worked with the French Culture Association of British Columbia.
Technologies: Adobe Suite

Art Director

2010 - 2010
Remarquables Communications
  • Worked with the government of Quebec's Liquid Nutrition for 360° campaign.
  • Established guidelines for illustrators or photographers.
  • Co-ordinated all the aspects of production for print, audio-visual or electronic materials such as TV spots, websites, interactive terminals, and more.
  • Co-ordinated the sub-contracting.
  • Supervised other graphic designers or graphic arts technicians.
Technologies: Adobe Suite

Art Director | Print Project Leader

2008 - 2009
YesDaYes Agency
  • Worked with clients such as DDB, Sony, Avoriaz Resort, and others.
  • Worked in a multidisciplinary environment.
  • Consulted with clients to determine the nature and content of illustrations in order to meet their communication needs.
  • Prepared sketches, layouts, and graphic elements of the subjects to be rendered using traditional tools, multimedia software, image processing, layout, and design software.
Technologies: Adobe Suite
2004 - 2009

Bachelor's Degree in Art Direction and Graphic Design

Lycee Privee Professionel La Fontaine - Annecy, France


InVision, Adobe Creative Suite, Sketch, Axure RP Pro, Balsamiq, Flinto Prototyping, Principle, Flinto, Microsoft Office, Cinema 4D, Adobe Photoshop, After Effects CC, Framer Prototyping, UX Tools, Figma


Apple Watch, Adobe Suite, Axure, iOS, iWatch

Industry Expertise

Retail & Wholesale


Branding, Identity, User Interface (UI), User Experience (UX), Apple Watch Design, A/B Testing, Conversion Rate Optimization (CRO), Ergonomic Design, Prototyping, B2B, eCommerce, Apps, Dashboards, Data, eCommerce UX, eCommerce UI, Fashion Design, Layout Conversion, Optimization, Minimalism, UX Thinking, UX Process, Graphical User Interface (GUI), Design, Motion Graphics, UI Motion, Dashboard Design, Platforms, Cross-platform UX, Cross-platform, Design Thinking, System Design, UI Design, Atomic Design, Wireframing, User Flows, User Needs, Interactive Charts, User Journey Maps, User Journeys, UX Research, User Paths, Mobile Design, UX Design, Design Systems

Collaboration That Works

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