Charlie Croom
Principal Software Engineer at Square
Grand Rapids, Michigan, United States
Summary
👤
Senior🎓
Top SchoolCharlie Croom is a Principal Software Engineer with 13 years of experience building large-scale web and cross-platform applications, currently driving technical work at Square. He helped transform Twitter’s monolithic Rails client into a modern PWA using React, React Native Web and Redux, and has contributed notable fixes and features to the widely used react-native-web project. As a former Senior Director at Cityblock and a founder/CTO of multiple startups, he blends hands-on engineering with product and team-building experience across startups and large platforms. Charlie has a track record of partnering with browser vendors, shaping third-party integrations and developer programs, and mentoring engineering leaders. Based in Grand Rapids and a Yale CS alum, he brings an unusual mix of technical depth, product intuition, and creative interests—photography, improv and piloting—that inform his pragmatic, user-focused approach.
13 years of coding experience
14 years of employment as a software developer
B.S Computer Science, B.S Computer Science at Yale University
English, German
Stackoverflow
21reputation
1kreached
0answers
1question
Github Skills (11)
css10
uid10
javascript10
react-native10
front-end-development10
ui-design10
react10
cross-platform9
heroku6
sass6
ruby-on-rails6
Programming languages (15)
Github contributions (5)
necolas/react-native-web
Sep 2017 - Apr 2021
Cross-platform React UI packages
Role in this project:
Front-end Developer
Front-end DeveloperContributions:21 reviews, 26 commits, 31 PRs in 3 years 7 months
Contributions summary:Charlie primarily focused on enhancing the React Native Web framework by addressing various issues and implementing new features. Their contributions included fixing the `NetInfo` API to align with the latest React Native implementation and addressing keyboard interaction for menu items. Moreover, they added new style transforms for `scaleZ` and `scale3d` and implemented an `Image.queryCache` API. The user also addressed bugs related to image loading and text input properties.
reactreact-nativereact-domcss-in-jsgui-framework
comp615/StrangerFB
Jul 2015 - Nov 2020
Contributions:4 PRs, 20 pushes, 1 branch in 5 years 4 months
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