Jobs

I work in Yuimedi as VPoE and in some companies to improve product code. Welcome to request a job but please check my skills first. Feel free to contact me via Twitter or hello[at]hiroppy.me.

Skills

I started programming when I was a high school student using JS and C. I have been studying image processing for four years, and I also conducted research on optimization for ニコニコ動画.

Currently, my specialty is web performance and frontend infrastructure using tools such as webpack, Turborepo, and Vite. In my main job and as a technical advisor, I mainly develop products using Next.js.

👷 maintainer(including past)

JavaScript

Node.js 👷 2011 -
TypeScript 2016 -
React 2015 -
Next.js 2017 -
Gatsby 👷 2017 - 2021
Astro 2022 -
Apollo 2017 -
Nestjs 2020 -
Mui 2021 -
ChakraUI 👷 2020 -
TailwindCSS 2019 -
Redux 2016 - 2019
Electron 2017 -
webpack 👷 2017 -
Vite 2022 -
jQuery 2008 - 2014

Others

Go 2022 -
C, C++ 2008 - 2015
ActionScript 2010 - 2015
Java 2010 - 2012
OpenCV 2014 - 2015
Boost 2012 - 2015
GraphQL 2017 -
gRPC 2020 -

Technical Advisor

Timeline

🙈 the side job shows only public

Main

Side

 
Yuimedi 🥸

2022-08-01 ~

VPoE: 初ベンチャー🎉

 
Mercari/Souzoh

2019-11-01 ~ 2022-07-31

engineer: Enabling Team

 
Dwango

2017-12-16 ~ 2019-10-31

engineer: N予備校/ニコニコ生放送

 
Mercari

2017-06-01 ~ 2017-11-31

engineer: Mercari Web

 
Dwango

2015-04-01 ~ 2017-05-31

engineer: N予備校

 
Univ of Aizu 👨‍🎓

2011-04-01 ~ 2015-03-31

student: 画像処理の研究とActionScript@3

 
Anotherworks 🥸

2023-02-01 ~

technical adviser:

 
Souzoh

2022-08-01 ~

engineer: 引き続きEnabling Teamでサポート

 
Yuimedi

2021-11-01 ~ 2022-06-01

engineer: 立ち上げのお手伝い

 
Alpaca 🥸

2022-02-01 ~ 2022-05-31

technical adviser: 事業方針が変わったので短い

 
Black 🥸

2019-12-01 ~ 2020-05-31

technical adviser: 事業方針が変わったので短い

 
Tabelog 🥸

2018-12-01 ~

technical adviser: WebのReact化と脱RoR

 
Mercari 🥸

2018-11-01 ~ 2019-10-31

technical adviser: Mercari Webのリアーキテクチャ

 
Bizreach

2017-06-01 ~ 2017-09-31

engineer: スポット

 
Eyes, Japan

2014-05-01 ~ 2015-02-31

engineer: 委託

 
CyberAgent 👨‍🎓

2013-07-01 ~ 2013-09-31

student: intern

 
Freelance

2011-05-01 ~ 2013-05-31

engineer: Web制作