Emilio Martinez is a Technical Lead based in Barcelona with 11 years of experience specializing in mobile development, particularly React Native. He has released dozens of high-quality apps, authored the book React Native Blueprints, and is a member of the React Native Community maintainers. Emilio is the sole maintainer of lottie-react-native, a 10,000+ star GitHub project, and has contributed key iOS and Android fixes and features directly to the core React Native repository. His background spans hands-on engineering, engineering management and developer advocacy at companies like ManoMano, Domestika and Red Hat, and he combines release automation and architecture skills with a growing interest in AI from an executive masters program. Not obvious from titles alone: he moved between developer advocacy, freelance consulting and leadership roles while maintaining influential open-source stewardship that powers millions of mobile app animations.
11 years of coding experience
15 years of employment as a software developer
Bachelor of Science (B.S.), Computer Engineering, Bachelor of Science (B.S.), Computer Engineering at Universidad Pontificia Comillas ICAI-ICADE
Executive Master in Artificial Intelligence, Artificial Intelligence, Executive Master in Artificial Intelligence, Artificial Intelligence at Instituto de Inteligencia Artificial
Contributions:15 releases, 68 reviews, 215 commits in 4 years 10 months
Contributions summary:Emilio contributed to the Android-specific implementation of the Lottie React Native library. Their work focused on adding and modifying features within the Android native code, specifically relating to the `LottieAnimationViewManager` and `LottieAnimationViewPropertyManager` classes. They also implemented cache strategy and other properties related to the animation view. These changes enhanced the functionality and flexibility of the Lottie animations within React Native Android applications.
A framework for building native applications using React
Role in this project:
Mobile Developer (iOS)
Contributions:8 commits, 7 PRs, 11 comments in 4 years 1 month
Contributions summary:Emilio contributed to React Native by implementing and modifying iOS-specific components and features. Their work included adding styling capabilities to the `PickerIOS` component, enabling custom font sizes, colors, and text alignment. They also added a `scrollTo` method to the `ListView` component and fixed a bug where inverted ScrollViews scrolled incorrectly on iOS when the status bar was tapped. Furthermore, the user updated the TextInput example with `secureTextEntry`.
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