Hi, I’m Yuto. I’ve been a software developer since 2012. I established this website because I wanted to make my learning more efficient by output. I hope this activity helps not only me but also you. I will try to prepare a complete example code that you can download and run. If you don’t understand something please comment on the article.

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2012 – 2015

I worked on an Inventory management system and mainly developed with C# .NET Framework, Oracle Database 11g, SQL Server, and HTML4. I learned basic web development and how to work with databases. I did some tunings of Database stored procedures and reduced the time to one-tenth.

2015 – 2018

I worked on a back-end system related to IoT and developed some applications for MTConnect, e.g. Adapters from other systems to MTConnect. What I did was not only develop software but also create Documentation to know the flow and setup. I learned basic Network technologies as well.

2018 – 2022

Started working in Germany. I learned how Scrum/Agile development works. I joined a project almost from the beginning so I could implement the code from scratch. I read books to learn how to write clean, readable, and maintainable code. My code review was recognized by team members and I try to propose better solutions like software architects.

2022 – now

I joined another team. Python, Go lang, gRPC, Docker, OpenAPI, etc… My work is to implement the core part of the system that all other applications rely on.

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Technology stack

Programming Languages

  • Python, Go: 2022~
  • Typescript, Node.js, Node-Red: 2018~2022
  • Dart and Flutter: 2021~
  • C#: 2012~2018
  • C++: 2012~2014
  • Powershell
  • Kotlin
  • VB.NET


  • Oracle Database 11g: 2012~2014
  • SQL Server 2008: 2012~2014


  • Industry
    • MTConnect
    • OPC UA
    • MQTT
  • Management System
    • Git
    • Bitbucket
    • Azure Repos
    • TFS
    • Mantis
    • JIRA
    • Jenkins
  • IDE
    • VSCode
    • Visual Studio 2012/2015/2017
    • IntelliJ IDEA
  • Other
    • Docker
    • Scrum/Agile
    • gRPC
    • Linux
    • OpenAPI

Books I’ve read

2014GeneralThe Art of Readable Code: Simple and Practical Techniques for Writing Better Code 
2015C#The Art of Unit Testing, Second Edition
2016JAVA増補改訂版Java言語で学ぶデザインパターン入門  (For design pattern)
2016C#Adaptive Code via C#: Agile coding with design patterns and SOLID principles
2016GeneralCode Complete
2017N/AThe Pragmatic Programmer
2018JAVAJava 8 In Action
2019GeneralZero Bugs and program faster 
2019RubyPractical Object-Oriented Design
2019PythonPractices of the Python Pro
2020TypescriptRefactoring Improving the Design of Existing Code
2020TypescriptBecome an Awesome Software Architect Book1
2020N/ASCRUM The Art of Doing Twice the Work in Half the Time
2020GeneralLearn DOCKER In a Month of Lunches
2020N/A暗号技術入門 第3版 秘密の国のアリス (For Encryption technology written in Japanese)
2020JAVACQRS (Command Query Responsibility Segregation)
2021N/ADesign It! From Programmer to Software Architect
2021JavaScriptDesign and Build Great Web APIs Robust, Reliable, and Resilient
2021PythonProgramming Machine Learning From Coding to Deep Learning


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