Willian Passarelli
Solutions Architect at Claro Brasil
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolWillian Passarelli is a Solutions Architect and seasoned full-stack mobile engineer with nine years of experience building high-impact consumer apps in Brazil's telecom and travel sectors. He progressed from hands-on React Native developer to tech lead and now architecting solutions at Claro Brasil, while also co-founding and leading TrackPay as CEO/CTO for event payments—evidence of his product-minded engineering. Skilled across React Native, Node.js, Expo and mobile CI/CD tooling, he is comfortable shipping complex features, leading squads, and managing lifecycle integrations from backend to app stores. Based in São Paulo with a degree in Information Systems, he blends enterprise delivery experience with startup agility and a practical focus on measurable user-facing outcomes.
9 years of coding experience
5 years of employment as a software developer
Bacharelado em Sistemas de Informação, Bacharelado em Sistemas de Informação at Universidade São Judas Tadeu
English, Portuguese, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (18)
node-cron8
android7
currency7
react6
ios6
react-native6
nodejs5
api5
ui-components5
nodemon4
sentry3
redux2
architecture2
supertest1
javascript1
Programming languages (4)
Github contributions (5)
willianpassarelli/currency-api
Dec 2019 - Jan 2020
API for currency quotation queries
Contributions:54 commits, 32 PRs, 37 pushes in 15 days
apinode-cronsentrysucraseexpress
willianpassarelli/gympoint
Nov 2019 - Dec 2019
server / web / mobile
Contributions:113 PRs, 70 pushes, 101 branches in 1 month
redux-sagaweb-serverreact-nativejavascriptmobile-web
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