読書メモ：ファジング：ブルートフォースによる脆弱性発見手法
他人が書いたコードを読むだけでバグを見つけられれば楽なのですが、実際にはそう簡単ではありません。コードに詳しい開発者が見落としている不具合を、ソースコードレビューだけで発見するのは容易ではないと思います。 そこで、脆弱性 […]
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Technical writing on software, infrastructure, and open ecosystems.
読書メモ：マスタリング・ビットコイン 第3版
はじめに これまで『詳解ビットコイン』『プログラミング・ビットコイン』『マスタリング・ライトニングネットワーク』の3冊を読んでいたため、書籍から得られるBitcoinの基礎知識はある程度身についていると思っていました。 […]
読書メモ：ゲーム理論・入門 ― 人間社会の理解のために
岡田章著『ゲーム理論・入門 ― 人間社会の理解のために』を読み、ゲーム理論の基本的な考え方を学びました。 1. ゲーム理論とは ゲーム理論は、複数の意思決定者が互いの行動を予想しながら選択する状況を数学的に分析する理論で […]
Experience
Career Timeline
Engineering experience across enterprise systems, research infrastructure, and independent work.
2006-2010
NTT DATA SMS
Contractor
- Banking System Management
Dispatch
- Communication System Infrastructure Technical Support
2012-2014
Amadeus IT Group
Permanent
- Travel System SaaS Technical Support
- Internal IT for Local Office
2014-2016
Gaitame Finest
Permanent
- FX Related Business System
- Internal IT
2016-2017
Veritas Technology
Permanent
- Backup System Technical Support
- NetBackup with Heterogeneous Environments
2017-2023
National Institute for Materials Science
Contractor
- Full Stack Engineer
- Research Data Systems
2023-
Solid Oak
Freelance
- Full Stack Engineer
Open collaboration
Open Source Contributions
Translation, documentation, and community work that makes open technology more accessible.
Open-source project
Ethereum.org
Role
Translator
Translation overview
Review status
The chart compares approved words with the rest of the translated total.
- Approved28,000
- Other translated283,832
- Ethereum.org Translation Language Lead Role
- Japanese Translation Counts No.1
- World Translation Counts No.2
- Ethereum Translator Certificate Achieved
Role
Contributor
Public-goods ecosystem
Optimism
Role
Translator
- Optimism article translation as a contributor role
- RetroPGF (Retroactive Public Goods Funding)
Credential
Translator Certificate
On-chain participation
POAP
Badges earned through open-source contribution and community participation.
2022
2022
2022
2022
2022
2022
2022
2022
2022
2023
2022
2023
2022
2023
2023
2023
2023
2023
2023
2024
2024
Capabilities
Portfolio Skills & Education
A practical engineering toolkit spanning application development, infrastructure, operations, and delivery.
- PHP, Ruby, Java, Bash, etc.
- Able to learn other languages
- Zabbix, Prometheus, Grafana, etc.
- Implementing on various nodes in an effective way
- VMware, K8s, Docker, KVM, etc.
- Experience in heterogeneous environments
- PMP, ITIL, DevOps, Agile, etc.
- Eager to introduce these methodologies
- Linux, Windows, UNIX, etc.
- Choosing the most preferable OS
- GitHub, GitLab, Redmine, CI/CD, etc.
- Have a stance to automate processes such as CI/CD
- Installing on-premises
- DB: Elasticsearch, MySQL, PostgreSQL, Redis, etc.
- Web: Apache, NGINX, Tomcat, etc.
- Selecting the best database or middleware (NoSQL or SQL)
- F5, Switching, Routing on Cisco, K8s, VMware
- Have an understanding of TCP/IP
- Server Network is preferable
- Advanced Institute of Industrial Technology (MS in Information Tech)
- Tokyo University of Science (FS in Div II Chemistry)
- IT Cert: IPA (SM, NW, RSC, AP), CCNA, etc.
- English/Business: TOEIC 950, Eiken Grade 1, Bookkeeping Cert etc.
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Address :
Greater Tokyo Area, Japan
Email :
hiroyukinaito@solidoak.space