Sérgio Júnior
Senior Software Engineer at Trio
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolSérgio Júnior is a Senior Full-Stack Engineer based in São Paulo with over 10 years of experience delivering scalable web and mobile products across agencies, startups, and fintechs. He combines front-end craftsmanship (React, React Native, TypeScript) with practical product delivery—leading migrations from AngularJS to React, building a hiring platform of 10,000+ candidates, and creating Contentful-backed apps for client-managed content. At Trio he boosted SEO to top Google positions, introduced productivity-enhancing technologies, and helped shape a design system while mentoring junior engineers and participating in hiring. Comfortable across the stack, he pairs hands-on implementation with documentation and testing discipline (TDD, E2E), and has a background in technical support that strengthens his pragmatic approach to reliability and user-focused solutions.
10 years of coding experience
5 years of employment as a software developer
Master of Technology - MTech, IT Management, Master of Technology - MTech, IT Management at Faculdade SumaréMaster of Technology - MTech, Web Development with HTML, CSS and JS, Master of Technology - MTech, Web Development with HTML, CSS and JS at CaelumMaster of Technology - MTech, Analysis and Systems Development, Master of Technology - MTech, Analysis and Systems Development at Centro Universitário Braz CubasGeneral English Course, Ensino de Inglês como Segundo Idioma, General English Course, Ensino de Inglês como Segundo Idioma at ISI Dublin
Portuguese, English
Github Skills (150)
storybook10
ui-components10
testing10
declarative10
isolation10
javascript10
browser10
placeholder10
google-groups10
html10
compiler10
skeleton10
gatsby10
angular10
static-site-generator10
Programming languages (6)
Github contributions (5)
Sergioamjr/easy-qa
Sep 2019 - Mar 2021
Compare a UI design with your application while you code 👀
Contributions:141 commits, 23 PRs, 49 pushes in 1 year 7 months
ui-designreactwhile
Sergioamjr/replacing-redux-with-react-hooks
Jul 2019 - Jan 2021
A demo showing how to replace Redux with React Hooks 🤔
Contributions:24 commits, 2 PRs, 7 pushes in 1 year 6 months
replace-reduxreactreact-hooksreduxreactjs
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