François-xavier Lemire
Co-Founder & Chief Technology Officer at Mercantile
Montreal, Quebec, Canada
Summary
👤
Senior🎓
Top SchoolFrançois‑Xavier Lemire is a Montreal‑based entrepreneur and CTO with 12 years of experience building full‑stack products and leading engineering teams across startups and scaleups. As Co‑Founder & CTO of Mercantile he focuses on helping SMBs compete with larger players, drawing on earlier leadership roles at Zendesk and hands‑on product work at Smooch.io and Vungle. He combines practical front‑end expertise—evident from contributions to the formik-mui integration—with backend and DevOps experience from building private NPM servers and Spark tooling. Trained in both computer science and law, he brings a rare mix of technical depth and regulatory/contract awareness to product and engineering decisions. Colleagues describe him as a founder who still ships code and cares about UX, developer experience, and the business outcomes his teams deliver.
12 years of coding experience
6 years of employment as a software developer
Bachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at National University of SingaporeProfessional Law, Professional Law at School of Quebec BarBachelor of Laws (LL.B.) Law, Bachelor of Laws (LL.B.) Law at Université de MontréalBachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at McGill University
French, English, Japanese
Github Skills (11)
formik10
typescript10
typescripts10
material-ui10
storybook10
typescript-types10
react10
javascript9
autocomplete8
datepicker8
daterangepicker8
Programming languages (9)
Github contributions (5)
stackworx/formik-mui
Sep 2021 - Oct 2021
Bindings for using Formik with Material-UI
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 review, 26 commits, 3 PRs in 23 days
Contributions summary:François-xavier primarily focused on updating and maintaining UI components for Formik integration with MUI (Material-UI) within the `formik-mui` repository. Their contributions involved modifying storybook examples, particularly around date pickers, time pickers, and autocomplete components to reflect the latest MUI branding and API updates. They also addressed validation issues and refactored existing components, demonstrating expertise in integrating Formik with MUI components.
material-uireactformik
fxlemire/slack-emojis
Feb 2021 - Mar 2021
Contributions:9 commits, 8 pushes, 1 branch in 1 month
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