Masataka Sato
CTO at Findy Inc
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolMasataka Sato is a seasoned technology leader and CTO with 12 years of hands-on experience building and scaling software products, currently leading a 70-person engineering and design organization at Findy Inc. He blends product ownership and technical strategy, having taken Findy from 0→1 and launched multiple services including an AI-driven recruiting platform, a freelance marketplace, and team-performance SaaS. Technically fluent in Ruby on Rails, React/TypeScript, GraphQL, AWS and containerized deployments, he emphasizes automated testing, CI/CD, and observability to deliver reliable systems. His background spans full-stack engineering, real-time and game systems (Cocos2d/C++), and internal tooling from earlier roles at GREE, giving him a rare mix of consumer-facing product instincts and low-level performance expertise. With a Master’s in Creative Informatics from The University of Tokyo, he brings an academic curiosity to product-driven engineering and a track record of turning hiring and recruitment insights into product features.
12 years of coding experience
4 years of employment as a software developer
University of TokyoBachelor's degree, Information Science, Bachelor's degree, Information Science at 明治大学
Japanese, English
Github Skills (41)
rails-i18n9
static-analysis9
objective-c9
android-development9
java9
airtable9
cpp9
whiteboard8
static-analyzer8
android8
device-farm8
static-code-analysis8
intellij-platform6
findy6
heroku5
Programming languages (7)
Github contributions (5)
ma3tk/Twitter-Lou-Translation
Nov 2017 - Jun 2020
Shoten tweet from long word, to apply 140 length.
Contributions:8 commits, 2 PRs, 4 pushes in 2 years 7 months
lengthlongtwitterapply
ma3tk/ma3tk
Oct 2020 - Feb 2026
Contributions:2 pushes, 2 branches in 5 years 5 months
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