Azure Cloud Solution Architect | DevOps Engineer X | Linkedin | GitHub | Blog | Medium

About Me

Hi, I am Kohei, Japanese. I am interested in using my tech stacks to increase team productivity. I like to make new experience on business and my life.


Colorkrew Inc. (former ISAO Ltd)

Azure Cloud Solution Architect | DevOps Engineer 01.2017 - Present

I am helping customers to design and implement infrastructure of customer systems. Most projects are in teams of 1 ~ 10 people, with positions communicating directly with customers

  • Enterprise Manufacturing - Data Platform
    Azure Data Factory, Azure Synapse Analytics, Logic App, Power BI, Azure DevOps Services
  • Recruitment Service - Big Data Analytics Platform
    Azure Databricks, Azure Data Factory, Azure DataLake Storage Gen2, Azure Firewall, Azure Virtual Desktop, Azure DevOps Services
  • In-house security service - Web application
    Azure Front Door, Application Gateway, API Management, App Service, SQL Database, Azure Redis Cache, Azure DevOps Services
SaaS Infra Lead 01.2017 - Present

I have implemented infrastructure of in-house service and deployment flow using Microsoft Azure, GitHub Action. And have worked as infra lead with 2 members for 20+ developers. Responsible is Cloud architect and DevOps

  • Ourselves - Web application
    Azure Front Door, Azure Kubernetes, Azure Database for PostgreSQL, Azure Redis Cache, GitHub Action
  • Ourselves - Cloud Cost Analysis
    Azure Data Factory, Azure Storage, Power BI

Kensetsu System Ltd

Tech Lead 2013 - 12.2016

I have been involved in cloud service technology selection and web service development using Microsoft Azure. In addition to Windows-based technologies, I also experienced development work using OSS technology, and selected and introduced Web services, built servers, and developed Web services for their own development department

Senior Software Developer 2008 - 2012

In charge of specification review, design and team building as a team leader using C#/Delphi

Junior Software Developer 04.2005 - 2007

I implemented functions as a programmer with about 3-5 members using Delphi


Japanese - Native

English - Limited

  • TOEIC: 735 - 2020
  • GCAS: B2 - 2023
  • Skills

    Cloud Infrastructure
    Azure DevOpsGitHub ActionTerraform
    Programming & Systems


    Computer Science College

    Shizuoka Industrial Technology College
    2003 - 2005


  • Cloud Architecture
  • DevOps
  • Presentation
  • Community Activities

    install-azcopy(GitHub Action) | #code

    Mar 2020 ~

    Set up your GitHub Actions workflow azcopy

    Tech Summit 2018 | #speaker

    Nov 2018

    In Tech Summit 2018, talk about case study of Microsoft Azure.

    Tech Summit 2018 | #speaker

    Nov 2018

    In Tech Summit 2018, handson about Azure Data Factory.

    de:code 2018 | #speaker

    May 2018

    In de:code2018, talk about case study of Microsoft Azure.

    Nikkei Cloud First - Azure API Management | #publication

    Feb 2018

    Writing service evaluation about Azure API Management.

    Engineer Lab Fukuoka #1 | #speaker

    Jan 2018

    In Engineer Lab Fukuoka

    Nikkei Cloud First - Azure Data Factory | #publication

    Nov 2017

    Writing service evaluation about Azure Data Factory.


    GitHub Actions

    GitHub, Certification Program - February 02, 2024 - February 02, 2027

    Azure DevOps Engineer

    Microsoft, DevOps Engineer Expert - 1 October 2020 - 1 October 2025

    Azure Administrator Associate

    Microsoft, Azure Administrator - 19 April 2019 - 19 October 2025

    Azure Developer Associate

    Microsoft, Azure Developer - 18 December 2021 - 18 December 2024

    Azure Data Engineer Associate

    Microsoft, Azure Data Engineer - 05 March 2022 - 04 March 2025

    Azure Solutions Architect Expert

    Microsoft, Azure Solutions Architect - 08 October 2022 - 08 October 2025

    Azure Cosmos DB Developer Specialty

    Microsoft, Azure Cosmos DB Developer - 04 July 2022 - 04 July 2025