Ethereum network

Market & chain status

ETH / USDT · Current Price

UniswapPool data for the ETH/USDT pool on Uniswap
Block Number
Timestamp
Hash

Field notes

Latest Article

Technical writing on software, infrastructure, and open ecosystems.

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 […]

Read more: 読書メモ:ゲーム理論・入門 ― 人間社会の理解のために

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 Infrastracture Technical Support

Permanent

  • Travel System SaaS Technical Support
  • Internal IT for Local Office

2014-2016

Gaitame Finest

Permanent

  • FX Related Business System
  • Internal IT

Permanent

  • Backup System Technical Support
  • NetBackup with Heterogeneous Environments

Contractor

  • Full Stack Engineer
  • Research Data Systems

2023-

Solid Oak

Freelance

  • Full Stack Engineer

Open collaboration

OpenSource Contribution

Translation, documentation, and community work that makes open technology more accessible.

Credential

Translator Certificate

Achieved
Ethereum.org translator certificate for Hiroyuki Naito
Ethereum.org Translation Program

On-chain participation

POAP

Badges earned through open-source contribution and community participation.

21 badges
ethereum.org 2022 contributor POAP badge 2022
1000 words translated on ethereum.org (2022) POAP badge 2022
10000 words translated on ethereum.org (2022) POAP badge 2022
15000 words translated on ethereum.org (2022) POAP badge 2022
GitPOAP: 2022 Ethereum.org Contributor POAP badge 2022
ethereum.org November 2022 Community Call POAP badge 2022
3 PRs on ethereum.org (2022) POAP badge 2022
5 PRs on ethereum.org (2022) POAP badge 2022
GitPOAP: Early Adopter - First 500 GitPOAP Holders POAP badge 2022
Early Adopter - First 1,000 GitPOAP Holders POAP badge 2023
GitPOAP: 2023 Ethereum.org Contributor POAP badge 2022
ethereum.org March 2023 Community Call POAP badge 2023
ethereum.org 2023 translator POAP badge 2022
ethereum.org April 2023 Community Call POAP badge 2023
ENS 6th Anniversary — May 4th 2023 POAP badge 2023
ethereum.org May 2023 Community Call POAP badge 2023
ethereum.org July 2023 Community Call POAP badge 2023
ethereum.org August 2023 Community Call POAP badge 2023
GitPOAP: 2024 Ethereum.org Contributor POAP badge 2023
30-Days of Web3 - 2024 POAP badge 2024
GitPOAP: 2024 Lodestar Contributor POAP badge 2024

Capabilities

Portfolio Skill & Education

A practical engineering toolkit spanning application development, infrastructure, operations, and delivery.

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 950, Eiken Grade 1, Bookkeeping Cert etc.
Map of the Tokyo metropolitan area
© OpenStreetMap contributors

Contact

Build something dependable.

For engineering, technical collaboration, and open-source work.

Send a message

Get in touch

Address :
Greater Tokyo Area, Japan

Email :
hiroyukinaito@solidoak.space