Takashi Yamashita
最高情報セキュリティ責任者 at Cohh, Inc.
Fukuoka Prefecture, Japan
Summary
👤
Senior🎓
Top SchoolTakashi Yamashita is a seasoned technology leader and Chief Information Security Officer based in Fukuoka with over a decade of experience building user-first services while owning architecture, performance, and security. His career spans hands-on full-stack engineering and SRE management in fintech, and a long tenure leading teams at Hitachi Solutions West Japan, giving him deep operational and managerial instincts. He combines pragmatic system design with security stewardship, translating complex risk and performance trade-offs into reliable, deployable solutions. Takashi holds a master's in information science from Kyushu Institute of Technology and unexpectedly blends technical rigor with a passion for cars—especially the Nissan SKYLINE and Toyota 86—which speaks to his attention to engineering detail and performance tuning.
10 years of coding experience
修士（情報学）, 情報科学・知能情報工学, 修士（情報学）, 情報科学・知能情報工学 at 九州工業大学大学院
Github Skills (17)
data-migration8
migration-tool8
migration7
ruby-on-rails6
activerecord5
ruby5
rails5
database-migrations4
yaml4
system-monitoring1
monitoring1
sql-query1
postgresql1
headers1
itamae1
Programming languages (1)
Github contributions (5)
metalels/yqr
Sep 2017 - Jul 2018
Yaml query executer is written in ruby.
Contributions:8 commits, 1 PR, 8 pushes in 9 months
queryexecuterrubyyaml
tlab-jp/rakuda
Apr 2016 - Jul 2018
Data migration tool using (ruby)Active Record. (Active Recordを用いたデータ移行ツール)
Contributions:3 releases, 14 commits, 2 PRs in 2 years 3 months
ruby-on-railsrailsdata-migrationrubyactive-record
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.