Jonathas Hernandes
Senior Android Engineer at Asurion
Tokyo, Japan
Summary
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Senior🎓
Top SchoolJonathas Hernandes is a Senior Android Engineer with 11 years of experience building native and hybrid mobile apps across startups and enterprise teams in Brazil and now Tokyo. He specializes in Kotlin, MVVM/multi-module architectures, TDD and clean architecture, and has driven refactors, CI automation and accessibility improvements on large payment and enterprise apps. Comfortable pairing with architects and mentoring juniors, he has hands-on experience choosing stacks (Retrofit, Dagger, Android Architecture Components) and scripting fastlane pipelines to streamline builds and QA. His anti-fragility mindset—thriving on challenges and learning from hardships—has repeatedly guided him to new responsibilities and technologies, including React Native and functional-programming influences. At Asurion and prior roles he combined delivery focus with developer ergonomics, introducing practices like pair programming and automated test pipelines. Based in Tokyo, he brings a pragmatic blend of engineering craftsmanship and product-minded problem solving to mobile platforms.
11 years of coding experience
8 years of employment as a software developer
Ciências da Computação, Programação de Computadores - Aplicativos Específicos, Ciências da Computação, Programação de Computadores - Aplicativos Específicos at Pontifícia Universidade Católica do Rio Grande do Sul
Portuguese, English, Japanese
Stackoverflow
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Github contributions (5)
joohernandes/currency_conversion
Jun 2020 - Dec 2021
Contributions:1 push, 1 branch in 1 year 6 months
Jo-Hernandes/ci-lab
Mar 2023 - Mar 2023
laboratory repo for testing GitHub actions and CI/CD
Contributions:5 PRs, 8 pushes, 5 branches in 4 days
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