Masashi Katsumata
Lead Software Engineer at 株式会社InnoJin
Torrance, California, United States
Summary
👤
Senior🎓
Top SchoolMasashi Katsumata is a Lead Software Engineer with 15 years of experience building high-performance, user-facing systems and leading engineering teams across startups, government, and consulting. He has a proven track record of delivering large speedups and reliable APIs—most notably a 240x improvement on a Japanese geocoder—and shipping mobile and web products that integrate complex native features like Google Maps and NFC-based ID authentication. As a startup’s first engineer and current CEO of MK GeekLab, he combines hands-on development with hiring, mentoring, and product planning, and has taught software fundamentals to the next generation of engineers. His open-source contributions include improving Cordova/Ionic Google Maps integrations and TypeScript definitions, reflecting a practical focus on mobile native-web interoperability. Based in Torrance, CA, he blends cloud-native engineering (AWS, CI/CD) with embedded and mobile integrations (Android, Fitbit), delivering end-to-end solutions from prototype to production.
15 years of coding experience
14 years of employment as a software developer
Bachelor of Science (BS), Information Technology, Bachelor of Science (BS), Information Technology at Tokai University
Japanese, English
Github Skills (12)
cordova-plugin-file10
cordova-plugin10
ionice10
typescript10
typescripts10
mobile-development10
ionic10
google-map10
cordova10
typescript-types10
google-maps10
angular8
Programming languages (16)
Github contributions (5)
danielsogl/awesome-cordova-plugins
Jul 2017 - Nov 2017
Native features for mobile apps built with Cordova/PhoneGap and open web technologies. Complete with TypeScript support.
Role in this project:
Mobile Developer
Mobile DeveloperContributions:9 commits, 10 PRs, 143 comments in 3 months
Contributions summary:Masashi primarily focused on enhancing the Google Maps integration within the Cordova/Ionic-based mobile application. Their commits involved adding new features, fixing existing issues, and refactoring code related to the Google Maps plugin. They updated the plugin's TypeScript definitions and implemented changes to the `GoogleMapOptions` class, ensuring correct functionality of various map features. Several bug fixes and improvements to the UI elements were also made.
technologiescordovaionic-frameworkreact-nativejavascript
wf9a5m75/ionic-googlemaps-demo
Jul 2017 - Apr 2018
Contributions:113 commits, 2 PRs, 54 pushes in 8 months
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