About Mathieu-William . | Contra Mathieu-William .

Mathieu-William .

Mathieu-William .

Product Designer Helping Teams Build Scalable Products

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Mathieu-William is ready for their next project!

France

Work Services About

France

Meet Mathieu-William

I help companies design scalable SaaS products that are user-centered and conversion-driven. I specialize in creating clear interfaces, coherent architectures, and reusable components.

Whether you’re launching an MVP or looking to scale a complex product, I bring a structured, pragmatic, and impact-driven approach, delivering fast without compromising the experience.

Quick responderReplies to messages within 24 hours.

Identity verifiedVetted for secure and trusted collaboration.

Featured on

Best French-speaking ProtoPie freelancers to hire in 2026 Best French-speaking Lottie freelancers to hire in 2026 Best English-speaking Overflow freelancers to hire in 2026

Rate

$75 - $100/hr

Skills and tools

Product Designer UI Designer Web Designer UX Designer Webflow Developer Framer Developer Design Systems Specialist UX Researcher User Researcher

Details

France

(GMT+1) Central European Time (CET), ±4 hours

Fluent in French • Professional Working Proficiency in English

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For independents

Contra Pro Manage freelance projects Get verified as an expert Find jobs Get discovered Sign contracts Send invoices Commission-free payments

For companies

For companies Manage team projects Share hiring workspace Post jobs Discover contractors Sign contracts Approve invoices Global payments & tax compliance

Use Cases

For companies For freelancers For creator tools For agencies For VCs

Resources

Partner networks Advertising Hackathons Creative Human Data Human Creativity Benchmark Human in the loop API Project-based hiring calculator Guide to flexible hiring Guide for agencies Creator tools awards Customer stories Blog FAQs for freelancers FAQs for companies Referrals

Hire Freelancers

Explore all Top independents Design Engineering Marketing Music & audio Social media Video & animation Product Business consulting & HR Other

Contact

Contact support

Company

Mission Careers Terms & conditions Privacy policy Cookie policy

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