Osvaldo Filho
Senior Mobile Developer (React Native)
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolOsvaldo Filho is a Senior Mobile Developer based in São Paulo with over 17 years in software and seven years specializing in modern JavaScript/TypeScript stacks, particularly React Native and Node.js. He builds production-ready mobile apps (Expo) focused on performance, offline sync and real-time features, and has led full-stack SaaS projects with multitenancy, CI/CD, and design systems. His experience spans fintech and enterprise clients, integrating complex data sources and automation (Puppeteer, Cheerio, Prisma, PlanetScale) to deliver scalable backends and reliable mobile experiences. Comfortable across the entire app lifecycle, he pairs hands-on coding with DevOps collaboration to ship apps to App Store and Google Play. A pragmatic technologist, he combines legacy ERP knowledge (Delphi/Firebird) with current best practices from Rocketseat trainings, giving him a rare breadth from low-level maintenance to modern cloud-native architectures.
8 years of coding experience
18 years of employment as a software developer
Programming Student Information Technology, Programming Student Information Technology at TreinaWebComputer Student Information Technology, Computer Student Information Technology at InterhouseTechnologist Analysis and Systems Development, Technologist Analysis and Systems Development at Faculdade de Tecnologia EduvaleComputer Student Information Technology, Computer Student Information Technology at Advance CCIFull Stack Student (Node.js ReactJS React Native IA) - Ignite 2022 Information Technology, Full Stack Student (Node.js ReactJS React Native IA) - Ignite 2022 Information Technology at RocketseatPersonnel Administrative and Technological Student Information Technology, Personnel Administrative and Technological Student Information Technology at Cebrac FranchisingNorth Paraná University
English, Portuguese
Github Skills (200)
jsonb10
ui-components10
testing10
react-navigation-stack10
adonisjs10
bootcamp10
spotify10
react-native-gesture-handler10
react-icons10
react-native-webview10
gostack10
html10
customize-cra10
react-native-svg10
saas10
Programming languages (9)
Github contributions (5)
osvaldokalvaitir/reactjs-gostack4-module3
Jan 2019 - Jun 2026
:octocat: GitHub Favorite Application using Redux, Redux-Saga, Ducks, React Router, Reactotron and consuming the features of the GitHub API
Contributions:49 PRs, 87 pushes, 43 branches in 7 years 6 months
redux-sagarocketseatsagagithub-favoritereact-ducks
osvaldokalvaitir/osvaldokalvaitir.github.io
May 2020 - Jun 2026
🥇 Personal website using Bootstrap, Gulp and jQuery
Contributions:153 PRs, 131 pushes, 159 branches in 6 years 2 months
bootstrap4sassjquerygulpcss
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.