Wellington Guimaraes
Founder at ReMatter
Florianópolis, Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolWellington Guimaraes is a founder and full-stack engineer with 11 years building user-centric web and desktop experiences from Brazil’s Florianópolis. He blends hands-on engineering with professional UI/UX design, notably building a keyboard-first, AI-powered Git GUI launching in 2026 that tackles large changesets without crashing. His career spans senior and staff roles at product companies and startups, plus co‑founding an automotive SaaS where he led API, mobile, and whitelabel platform work. An active open-source contributor, he fixed rendering quirks and added extensibility to the popular Riot UI library, showing attention to cross-browser detail and library architecture. Wellington is comfortable across the stack—frontend, backend, native mobile and tooling—and often ships solo-designed products that prioritize polish and developer ergonomics.
11 years of coding experience
10 years of employment as a software developer
Computer Science, Computer Science at Universidade Federal de GoiásComputer Science, Computer Science at Universidade Federal de Mato Grosso do Sul
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
javascript10
web-components10
custom-element9
web-framework8
application-framework8
app-framework8
clientside7
html7
custom-tag6
Programming languages (6)
Github contributions (5)
riot/riot
Feb 2016 - Feb 2016
Simple and elegant component-based UI library
Role in this project:
Front-end Developer
Front-end DeveloperContributions:7 commits, 4 PRs, 30 comments in 1 day
Contributions summary:Wellington primarily contributed to the UI library by fixing bugs and implementing new features related to component rendering and attribute handling. Their work includes correcting how attributes, particularly the `selected` attribute for `<option>` elements within `<select>` tags, are processed in Firefox. They also added a test tag to verify functionality. Furthermore, the user added a global mixin feature, demonstrating an understanding of how to extend the library's core capabilities.
customtagsreactcomponent-basedclient-sidejavascript
wellguimaraes/react-formy
Aug 2016 - Apr 2022
A light, simple and fast hook to keep form state in a React application.
Contributions:109 commits, 70 pushes, 2 branches in 5 years 8 months
reactkeeplightform-statereact-hooks
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