Masatoshi Tsuchino
デリバリープロジェクト執行役員 at サイオステクノロジー株式会社（SIOS Technology, Inc.）
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolMasatoshi Tsuchino is a delivery-focused technology executive and senior architect with 13 years of hands-on software and sales experience, now serving as Executive Officer for Delivery at SIOS Technology. He blends deep engineering skills across Java, PHP, Linux, RDBMS and KVS (Cassandra/Hadoop) with proven commercial impact—consistently winning large deals and exceeding sales targets in previous roles at Borland and IBM. Masatoshi has led cross-functional teams to standardize development processes, reduce costs, and implement ALM practices (requirements, CM, test management) across enterprise projects. Comfortable at all corporate levels, he pairs strong communication and presentation skills with a persistent, problem-finding mindset and curiosity for prototyping innovative solutions. His background in pharmaceutical chemistry turned software leader gives him an uncommon mix of domain discipline and technical breadth. Based in Chiyoda, Tokyo, he is equally at home designing architectures and negotiating high-value, process-improvement deals.
13 years of coding experience
23 years of employment as a software developer
Bachelor of Pharmacy, pharmaceutical chemistry, Bachelor of Pharmacy, pharmaceutical chemistry at Kyoto Pharmaceutical University
Chinese, Japanese
Github Skills (46)
ios10
mobile-development10
windows10
app-framework10
cross-platform10
material-design10
android10
skia10
mobile10
web-framework10
macos10
fuchsia10
dart10
flutter10
drone-ci8
Programming languages (5)
Github contributions (5)
utisam/dotfiles
Nov 2021 - Jul 2026
🔧 @utisam's dotfiles
Contributions:1 PR, 22 pushes, 2 branches in 4 years 8 months
dotfilesvimzsh
utisam/marton
Oct 2023 - Apr 2025
Convert markdown to notion blocks
Contributions:4 releases, 3 PRs, 25 pushes in 1 year 5 months
markdownnotiontypescript
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