Shu Masuda
Software Engineer at Works Mobile Japan
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolShu Masuda is a software engineer based in Chiyoda, Japan, with 13 years building backend services and mobile apps across startups and product teams. He has deep hands-on experience with Ruby on Rails, iOS/Swift, Unity C# (UniRx/UniTask/Zenject), and cloud infrastructure on AWS and Google Cloud, having led backend and SDK work as well as native and Unity client development. Shu helped scale products from early-stage CTO work to production services—co-founding an ebook app, developing pharmacy and medical communication apps, and creating over ten in-app games for Gokkoland while refining an in-house Unity framework. He also designed asset delivery and Terraform-backed infrastructure from scratch and migrated legacy services between platforms, showing strong full-stack and DevOps fluency. Notably, his career includes both analytical roles (Slack conversation analysis with BigQuery and MeCab) and AI-division experience after LINE’s AI unit joined WORKS Mobile Japan. Shu combines pragmatic engineering with product-minded ownership, comfortable shipping SDKs, mobile games, and mission-driven SaaS.
13 years of coding experience
13 years of employment as a software developer
MA, Science, MA, Science at Tokyo Institute of TechnologyBA, Pharmaceutical Science, BA, Pharmaceutical Science at Tokyo University of Science
Github Skills (200)
visual-studio-code-extension10
ruby10
automation10
command-line-tool10
gcloud10
adminlte10
google-cloud-sdk10
android-apps10
cli10
admin10
graph10
fastlane10
android10
ios10
bootstrap10
Programming languages (15)
Github contributions (5)
umm/unirx_observablekeyevent
Aug 2018 - Mar 2020
UniRx wrapper for KeyEvent handling.
Contributions:2 releases, 9 commits, 6 PRs in 1 year 7 months
keyeventhandlingunirx
umm/sortinglayername_attribute
Aug 2018 - Mar 2020
Provide [SortingLayerName] attribute for render string field as Popup in inspector
Contributions:1 release, 6 PRs, 4 pushes in 1 year 7 months
renderstringinspectorfieldpopup
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