Mathieu-William

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Freelance Software Designer

I help startups design scalable SaaS products & Design Systems.

My expertise ranges from the initial Discovery phase to the final Delivery, including the establishment of Design Systems and the implementation of good Design practices.

Building an outstanding product involves striking the ideal balance between Form & Function, Feeling & Purpose, and I look forward to collaborating with you to find that sweet spot.

Projects

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Curated

Zoomed-in view of a music software side-panel displaying detailed track information, including release date, genre, and label name. The panel showcases multiple actions, enabling users to buy the track, add it to a crate (playlist), and more. Display of a music software featuring a list of tracks from different artists and labels. At the bottom of the screen, a player is visible, providing various details about the currently playing track. A dashboard of a co-investment platform called Sowefund. It provides details like investor types, subscription amounts, wallet balances, and KYC status, with options to filter, sort, and add new investors. Total subscriptions and balances are summarized at the bottom. User interface of a co-investment detail page for "Tandem", an electric bike project in Paris. Funding goal: €500,000 (50% raised). 96 investors, 12 days left. Includes pitch video and project details. A dashboard component displaying key metrics: 3,416 total queries, 491 blocked queries, and a 14.4% block rate. Below is a bar chart showing total and blocked queries every 10 minutes. Preview of various iOS widgets for the Trade Republic application. Compilation of screens displaying diverse features within an iOS chatbot store.

Experiences

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Since 2019

2024 ~ Now

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Freelance Software Designer

Remote

2022 ~ 2023

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Product Designer @Meilleurs Agents

Remote

2021 ~ 2022

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Product Designer @Devialet

Paris

2019 ~ 2021

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Product Designer @Le Pot Commun

Paris