Toshio Yamashita
システム開発一部 第一プロダクトグループ マネジャー at マネックス証券（株）
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolToshio Yamashita is a seasoned full-stack engineer and manager based in Tokyo with over 10 years of experience building responsive web applications and leading developer-facing programs. He blends hands-on front-end expertise in React, JavaScript/Node.js and mobile technologies with deep legacy knowledge of Notes/Domino and Java, enabling smooth migrations and practical modernization. At IBM he led Developer Advocacy in Japan, grew a local developer community (IBM Developer Dojo) to 1,100+ members, and served as editor-in-chief for IBM Developer JP, demonstrating skill in technical communication and global collaboration. Now a product group manager at Monex Securities, he focuses on designing and operating delightful, efficiency-boosting business applications. Outside work he maintains personal hobby-driven repos spanning Unity, RPGツクール and small dev projects, reflecting a lifelong curiosity across games, film and maker culture.
11 years of coding experience
23 years of employment as a software developer
Master (修士), Information processing (情報処理), Master (修士), Information processing (情報処理) at 東京都市大学
Github Skills (95)
javascript10
refer10
hyperledger-composer10
scripting10
jgss10
rpg-maker-mv10
twitter-feed9
cloudant9
payment-service9
classifier9
weather-api9
watson9
dsx9
slot9
watson-conversation9
Programming languages (9)
Github contributions (5)
yamachan/jgss-hack
May 2016 - Aug 2020
My study memo and output for JavaScript based Game Scripting System (JGSS) on RPG Maker MV environment.
Contributions:172 commits, 162 pushes, 1 branch in 4 years 3 months
javascriptjgssrpg-maker-mvscripting
yamachan/docsify-docs-ja
Sep 2020 - May 2022
Contributions:1 push, 1 branch, 1 comment in 1 year 8 months
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