Shunsuke Hosaka
Founder at Pitchmark Inc.
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolShunsuke Hosaka is a founder and product-minded engineer with a decade of experience spanning marketing, UX, and app development across North America and Japan. Comfortable in Kotlin, Python, Unity and emerging xR/ML spaces, he blends hands-on technical curiosity with growth-focused operating experience—from launching e-commerce and B2C products to running influencer and loyalty programs that materially boosted retention and revenue. Bilingual and globally seasoned (8 years in North America), he has led cross-functional teams, managed web engineering delivery, and served as a bridge between product, marketing, and English-speaking clients. Currently based in Tokyo, he runs two ventures while continuing to ship apps and explore immersive tech—bringing both startup grit and design-driven product sensibility to engineering-led businesses.
10 years of coding experience
3 years of employment as a software developer
Associate's degree, BUSINESS, MANAGEMENT, MARKETING, AND RELATED SUPPORT SERVICES, 3.88, Associate's degree, BUSINESS, MANAGEMENT, MARKETING, AND RELATED SUPPORT SERVICES, 3.88 at Seattle Central CollegeUX/UI design, UX/UI design at DesignlabBachelor of Business Administration - BBA, Marketing & Information Systems, Bachelor of Business Administration - BBA, Marketing & Information Systems at University of Washington - Michael G. Foster School of Business
Japanese, English
Github Skills (13)
api3
bundle3
scriptableobject2
unity-editor1
avatar1
javascript1
go1
gopher1
web-application1
zsh1
baduk1
unity3d1
golang1
Programming languages (9)
Github contributions (5)
sansuke05/TalkWithDakimakura
Dec 2016 - Apr 2018
Contributions:12 commits, 5 pushes, 2 branches in 1 year 3 months
sansuke05/CrazyDreamer2
Oct 2017 - Dec 2020
Contributions:4 PRs, 11 pushes, 2 branches in 3 years 2 months
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