Guilherme Datilio
Frontend Developer at Banco Itaú
São Paulo, Brazil
Summary
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Rockstar🎓
Top SchoolGuilherme Datilio is a Frontend Developer with six years of experience specializing in React, TypeScript, and design systems, currently shaping the Itaú Design System in São Paulo. He spent two years contributing to IBM’s Carbon Design System—improving UI components, enhancing accessibility (including VoiceOver and keyboard navigation), and refining test coverage for a widely used IBM open-source project. Comfortable across product and community responsibilities, he reviews PRs, triages issues, and supports contributors on Slack while shipping bug fixes and component refactors. His background includes building reusable components for mobile apps and a CMS integration with Watson voice features, reflecting a practical blend of UI engineering and accessibility-first thinking. Guilherme holds a bachelor’s in Information Systems and is pursuing postgraduate studies in Software Engineering, signaling continuous investment in technical depth. Notably, he has hands-on experience delivering production web projects from MVP to launch, including building a WordPress theme under tight deadlines.
5 years of coding experience
4 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueWise UpTécnico Tecnologia da Informação, Técnico Tecnologia da Informação at EME Prof.ª Alcina Dantas Feijão
English, Portuguese
Stackoverflow
1reputation
0reached
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0questions
Github Skills (12)
accessibility10
acessibility10
uid10
javascript10
acc10
front-end-development10
ui-design10
react10
accessibilityservice10
testing9
scs8
sc8
Programming languages (4)
Github contributions (5)
carbon-design-system/carbon
Apr 2023 - Apr 2025
A design system built by IBM
Role in this project:
Front-end Developer
Front-end DeveloperContributions:732 reviews, 490 PRs, 117 pushes in 2 years
Contributions summary:Guilherme primarily contributed to the user interface of the Carbon Design System, fixing bugs and implementing improvements to existing UI components. Their work included removing placeholder examples, refining test coverage and refactoring code in multiple components, such as the `Dropdown`, `Combobox`, `TimePicker`, and others. Additionally, they addressed accessibility violations to ensure compliance with accessibility standards and to meet performance.
reactjavascriptdesign-systemibmdesign-systems
guidari/carbon
Apr 2023 - Mar 2025
A design system built by IBM
Contributions:14 PRs, 945 pushes, 278 branches in 2 years
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