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Latest Article

読書メモ：ETFハンドブック

こちらは、過去に読んだ本の読書メモです。近年では、NISA（少額投資非課税制度）などが注目され、投資を始める人が増えたことで、「ETF」という言葉を耳にする機会も多くなってきました。 ETF（上場投資信託）は、通常の投資 […]

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読書メモ：暗号技術入門 第3版

結城浩先生の『数学ガール』シリーズが思いのほか分かりやすかったことから、『暗号技術入門』も購入して読んでみることにしました。 これまで、情報セキュリティスペシャリスト試験の対策や、Web3全般、ブロックチェーン技術の勉強 […]

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Career Timeline

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2006-2010

NTT DATA SMS

  • Contractor
  • Banking System Management
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2011

Persol Cross Technology (TempStaff Tech)

  • Dispatch
  • Communication System Infrastracture Technical Support
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2012-2014

Amadeus IT Group

  • Permanent
  • Travel System SaaS Technical Support
  • Internal IT for Local Office
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2014-2016

Gaitame Finest

  • Permanent
  • FX Related Business System
  • Internal IT
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2016-2017

Veritas Technology

  • Permanent
  • Backup System Technical Support
  • NetBackup with Heterogeneous Environments
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2017-2023

National Institute of Material Science

  • Contractor
  • Full Stack Engineer
  • Research Data Systems
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2023-

Solid Oak

  • Freelance
  • Full Stack Engineer

OpenSource Contribution

Ethereum.org ethorg-img

Translator

190,000 Translated
28,000 Approved
  • Ethereum.org Translation Languague Lead Role
  • Japanese Translation Counts No.1
  • World Translation Counts No.2
  • Ethereum Translator Certificate Achieved

Contributor

12 Pull Requests in Total
  • Mainly content improvements

Optimism ethorg-img

Translator

3 Articles
  • Optimism article translation as a contributor role
  • RetroPGF (Retroactive Public Goods Funding)
ethorg-img

POAP ethorg-img

Portfolio Skill & Education

All Development Infrastructure Management
Programming
  • PHP, Ruby, Java, Bash, etc.
  • Acquirable any other languages
Monitoring
  • Zabbix, Prometheus, Grafana, etc
  • Implementing on various nodes in an effective way
Platform
  • VMware, K8s, Docker, KVM, etc.
  • Have experiences in heterogeneous environments
Methodologies
  • PMP, ITIL, DevOps, Agile, etc.
  • Have eager to introduce such methodologies
OS
  • Linux, Windows, UNIX, etc.
  • Choosing the most preferable OS
Tools
  • Github, Gitlab, Redmine, CI/CD, etc.
  • Have a stance to automate processes such as CI/CD
  • Installing on premises
Middleware
  • DB: Elastic Search, MySQL Relevance, PostgreSQL, Redis, etc.
  • WEB: Apatch, Nginx, Tomcat, etc.
  • Choosing best Database or Middleware(NoSQL or SQL)
Networking
  • F5, Swiching, Routing on CISCO, K8s, VMware
  • Have an understanding of TCP/IP
  • Server Network is preferable
Education
  • 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 930, Eiken Grade 1, Bookkeeping Cert etc.

Send a message


Get in touch

Address :
Greater Tokyo Area, Japan
Email :
hiroyukinaito@solidoak.space