Loïc D - Engineering Manager at Shopify

Loïc D

Engineering Manager at Shopify

Montreal, Quebec, Canada

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Summary

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Rockstar

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Top School

Loïc D is an Engineering Manager at Shopify with 11 years of experience building full‑stack web applications and leading teams to ship customer‑facing products at scale. He combines a strong JavaScript and UI engineering background with hands‑on contributions to prominent open‑source projects like Shopify’s Polaris and Quilt, improving accessibility, component behavior, testing, and internationalization features. Based in Montreal, he’s known for growing engineers, tackling ambiguous technical problems, and maintaining a keen eye for detail that surfaces in both product and test quality. Unusually for a manager, he continues to contribute code—adding currency symbol support, custom test matchers, and nuanced UI fixes—bringing credibility to his technical leadership.

10 years of coding experience

Certificate, Certificate at Université de Montréal

Two year degree in Business Administration, Two year degree in Business Administration at Université Claude Bernard Lyon 1

Bachelor's degree, Bachelor's degree at Université Lumière (Lyon II)

Github Skills (19)

javascript10

ui-components10

jes10

testing10

typescript10

carbon-design-system10

system-design10

component-library10

jestjs10

sys10

typescript-types10

jtest10

typescripts10

react10

internationalization9

Programming languages (3)

TypeScriptJavaScriptHTML

Github contributions (5)

Shopify/polaris

Jan 2018 - Mar 2020

Shopify’s design system to help us work together to build a great experience for all of our merchants.

Role in this project:

Front-end Developer

Contributions:2 reviews, 17 commits, 8 PRs in 2 years 1 month

Contributions summary:Loïc primarily contributed to the development and maintenance of UI components within the Polaris design system. Their work involved adding new functionality, such as the `renderChildren` prop for the `ChoiceList` component, and enhancing existing components by modifying their behavior and test coverage. The user addressed several bugs, including those related to date selection and filter functionality, and implemented changes to enhance the overall user experience and component usability. The user also refactored and added tests to ensure quality and consistency across the components.

shopifymerchantsreactvscode-extensiongreat

Shopify/quilt

Nov 2018 - Jun 2020

[⚠️ Deprecated] A loosely related set of packages for JavaScript/TypeScript projects at Shopify

Role in this project:

Front-end Developer

Contributions:12 reviews, 14 commits, 17 PRs in 1 year 7 months

Contributions summary:Loïc implemented new features and made updates to the `react-i18n` package within the Shopify Quilt repository. Their work included adding support for currency symbols, creating new utilities, and mocking components for testing. They also fixed typos, exposed constants, and added a new custom matcher for testing React components.

react-modaljavascriptshopify-apijavascript-typescriptcjs

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