Benjamin Castle
Engineering Data Scientist
Stamford, Connecticut, United States
Summary
🤩
Rockstar🎓
Top School
Top expert inCross-Platform Mobile Development with React Native
Benjamin Castle is an Engineering Data Scientist with a decade of hands-on experience building production-ready software and data solutions, currently applying ML and analytics to hospitality operations at MCR Hotels. He blends mobile and front-end engineering chops—contributing iOS fixes and UI improvements to high-profile open-source projects like Facebook's React Native and Expo—with data science expertise from an MS in Data Science. His background includes shipping customer-facing React/TypeScript features that improved onboarding and accessibility, as well as Python automation that delivered seven-figure savings in pricing migration. Benjamin has practical experience deploying end-to-end analytics and automation across supply chain and operational contexts, and has explored agentic frameworks during an AI research internship at UKG. Known for pragmatic refactors and UI-first thinking, he pairs product-minded engineering with rigorous data workflows to turn messy business problems into actionable insights.
10 years of coding experience
1 year of employment as a software developer
Bachelor of Science - BS, Mathematics, Bachelor of Science - BS, Mathematics at Drexel UniversityThe Episcopal AcademyMaster of Science - MS, Data Science, Master of Science - MS, Data Science at Fordham University Graduate School of Arts and Sciences
Github Skills (21)
debugging10
objective-c10
debug10
javascript10
ios10
mobile-development10
react-native10
expo10
ui-design10
uid10
front-end-development10
google-map10
google-maps10
maps10
error-handling10
Programming languages (9)
Github contributions (5)
expo/expo
Aug 2016 - Aug 2018
An open-source framework for making universal native apps with React. Expo runs on Android, iOS, and the web.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:1754 commits, 17 PRs, 25 pushes in 2 years
Contributions summary:Benjamin contributed to the `expo/expo` repository, which is a framework for building cross-platform mobile applications with React Native. The contributions involved modifying the iOS-specific code, as demonstrated by the code changes in Objective-C files, particularly around UI components. The user's work focused on implementing new features such as screen orientation support, and fixing bugs and issues related to the user interface of the mobile application.
ios-androidiosmobileweexframework7
react-native-maps/react-native-maps
Sep 2016 - Jun 2018
React Native Mapview component for iOS + Android
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:6 commits, 9 PRs, 4 pushes in 1 year 9 months
Contributions summary:Benjamin primarily contributed to the iOS implementation of the React Native Maps component. Their work involved fixing warnings, optimizing code, and refactoring existing classes. The user addressed code style issues, updated class prefixes, and eliminated global variables, improving the codebase's maintainability and compatibility with other React Native projects. These changes contribute to a more stable and reliable React Native Maps experience.
reactreact-nativeios-androidandroidmapview
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