Alfonso Castro
Software Engineer at Justworks
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolAlfonso Castro is a seasoned software engineer with 11 years of experience and a focus on mobile development, particularly React Native, currently advancing product-quality mobile experiences as a Senior Software Engineer at Justworks in New York. He has a proven record of shipping user-friendly, visually polished apps across startups and established teams, including roles at Equinox Media and the telemedicine startup Beam Health where he helped scale HIPAA-compliant patient–physician workflows. Known for strong product sensibility and collaborative instincts, he pairs hands-on engineering with a knack for pragmatic, user-centered solutions. His background in international relations gives him a broader perspective on product impact and cross-functional communication, helping bridge technical work and business needs.
11 years of coding experience
4 years of employment as a software developer
Bachelor of Arts (B.A.), International Relations and Affairs, Bachelor of Arts (B.A.), International Relations and Affairs at Tufts University
English, Spanish
Github Skills (94)
fitness10
healthkit10
previews10
infinite-scroll10
google-places10
parallax10
redux-persist10
chat10
react-native-bridge10
appauth10
redux-store10
javascript10
places-autocomplete10
sdk10
react-android10
Programming languages (6)
Github contributions (5)
equinox-platformx/react-native-health
Dec 2020 - Aug 2021
A React Native package to interact with Apple HealthKit
Contributions:3 releases, 4 reviews, 15 PRs in 8 months
reactreact-native-packagereact-nativeapple-healthkithealthkit
alfonsosn/evalyo
Feb 2017 - Mar 2018
Contributions:178 pushes, 5 branches in 1 year
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