Kiyoshi O
プロジェクトマネージャー at フリーランス（自営業）
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolKiyoshi O is a seasoned project manager with over 32 years in system development, leading projects from mainframes to smartphone apps and cloud platforms. Based in Tokyo and now working freelance, he combines hands-on technical experience as a programmer, database and network engineer with proven leadership in planning, design, development and testing. He excels at customer negotiation, schedule management, and mentoring team members, consistently delivering business-focused solutions across large and small enterprise applications. His academic background in law (LL.B., Toyo University) gives him a pragmatic grasp of corporate governance and risk considerations often overlooked by technologists. Comfortable bridging technical and non-technical stakeholders, he brings steady delivery and organisational savvy to complex, cross-domain initiatives.
9 years of coding experience
学士（法学）, 経営法学科, 学士（法学）, 経営法学科 at 東洋大学
Github Skills (22)
security10
aqua9
azure8
oracle8
aws8
clickup-api8
gcp8
threat-modeling8
monitoring8
poller7
alibaba7
owasp7
sdlc6
cloud-security6
code-review4
Programming languages (7)
Github contributions (5)
ca-risken/datasource-api
Jun 2022 - May 2026
Contributions:15 releases, 122 reviews, 101 PRs in 4 years
gassara-kys/test_repo
May 2017 - Jan 2020
Contributions:2 PRs, 1 push, 3 branches in 2 years 8 months
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