Humberto Junior
Blockchain Developer Jr at Self-employed
Espírito Santo, Brazil
Summary
👤
Senior🎓
Top SchoolHumberto Junior is a Brazil-based Blockchain Developer Jr with a decade of hands-on experience in the JavaScript ecosystem, specializing in JS/TS, Node, React/Next and Solidity. He has a strong mobile background—multiple roles maintaining Offline-First React Native apps, RealmDB, and complex state management—bringing pragmatic user-focused engineering to blockchain projects. His trajectory spans from junior front-end work to senior frontend roles at agencies like INVILLIA, and now to independent blockchain development, complemented by formal blockchain postgraduate studies. Known for shipping reliable mobile features under constrained environments, he blends practical cross-platform experience with emerging smart contract skills.
10 years of coding experience
5 years of employment as a software developer
Sistema de Informação, Computer Software Engineering, Sistema de Informação, Computer Software Engineering at FAVI - Faculdade Vitoria do Espírito SantoPostgraduate Degree, Blockchain Developer, Postgraduate Degree, Blockchain Developer at UnyleyaMBA em Projeto de Aplicações para Dispositivos Móveis, Gestão de Projetos de TI, MBA em Projeto de Aplicações para Dispositivos Móveis, Gestão de Projetos de TI at IGTI - Instituto de Gestão Tecnologia da InformaçãoCertificação Fullstack JS, Computer Technology/Computer Systems Technology, Certificação Fullstack JS, Computer Technology/Computer Systems Technology at Rocketseat
English, Spanish
Stackoverflow
9reputation
819reached
4answers
1question
Github Skills (65)
react-native-app10
remote-config10
in-app-purchase10
google-auth10
receipt-validation10
firebase10
auth10
push-notifications10
realtime-database10
obsolete10
react-hooks10
nested-objects10
crashlytics10
storage10
firestore10
Programming languages (4)
Github contributions (5)
humbertoromanojr/flutter_dev_quiz
Apr 2021 - Apr 2021
Contributions:61 commits, 34 pushes, 1 branch in 8 days
humbertoromanojr/micro-front-ends
Feb 2022 - Sep 2023
Contributions:24 pushes, 1 branch in 1 year 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.