Felipe Leusin is a seasoned engineering leader with 14 years of experience building high-throughput products across payments, email, and modern web technologies, currently serving as Senior Development Manager at Shopify in Rio de Janeiro. He has led teams from launch to scale—most notably helping Shopify Email reach billions of sends and hundreds of millions in GMV—while remaining a hands-on contributor across front-end and platform work. His background spans founding and scaling startups (Eventfly, DojoApps) and evolving component libraries into company-wide design systems, demonstrating both product sensibility and technical craft. An active open-source contributor, Felipe has improved UI components and accessibility tooling in well-known projects like React-Toolbox and Shopify Quilt, bringing practical accessibility and UX fixes into production workflows. He combines coaching and hiring with deep technical involvement—writing code, designing systems, and driving cross-team initiatives such as feature flags and authorization. Colleagues describe him as a pragmatic manager who balances delivery at scale with attention to developer experience and inclusive product design.
angular directives for creating common charts using d3
Role in this project:
Front-end Developer
Contributions:28 commits in 22 days
Contributions summary:Felipe primarily contributed to the front-end aspects of the project, specifically focusing on Angular directives for creating charts. They implemented inner radius and donut radius features for pie charts, improving chart customization options. The commits also include better error handling and general code improvements. Furthermore, the user fixed an issue related to the traditional style legend on line charts, enhancing usability.
[⚠️ Deprecated] A loosely related set of packages for JavaScript/TypeScript projects at Shopify
Role in this project:
Front-end Developer
Contributions:10 reviews, 67 commits, 1 PR in 1 month
Contributions summary:Felipe primarily contributed to the `storybook-a11y-test` package within the repository. Their work involved implementing accessibility testing using Storybook and tools like AxePuppeteer. They introduced a local server for testing, built storybook fixtures, and refined the testing process by collecting and filtering story IDs. Further improvements included fixing linting errors and adjustments to improve accessibility.
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Felipe Leusin - Senior Development Manager at Shopify