Keisuke Sasaki
Web Application Developer
Greater Tokyo Area Japan
Summary
👤
Senior🎓
Top SchoolKeisuke Sasaki is a full-stack web application developer with 11 years of experience building production-grade systems across JavaScript, Java, C#, and Node.js, currently developing TypeScript/React/Nest.js applications on Kubernetes for JCB. He’s delivered enterprise solutions in finance, retail, and government while founding and managing cross-border development teams in Japan and China, and has hands-on experience as a Scrum Master and Product Owner. Keisuke combines front-end React skills with back-end API and data processing expertise—having built API gateways, big-data processing frameworks, and ASP.NET and Spring-based systems. A curious, self-motivated engineer and coach, he runs a technical blog for junior developers and is focused on modern JavaScript stacks and emerging Web3 opportunities.
10 years of coding experience
2 years of employment as a software developer
修士, Computer Science, 修士, Computer Science at 筑波大学学士, Informatics, 学士, Informatics at 山形大学
Github Skills (53)
javascript10
scroll10
css10
relative-url10
bundle10
requirejs10
webpack-plugin10
webpack10
web-performance10
bundler10
fastest10
loader10
webpack-loader10
scrollspy10
graphql10
Programming languages (5)
Github contributions (5)
keidrun/css-url-loader
Dec 2017 - Dec 2022
Webpack loader to transform URLs to other URLs in CSS.
Contributions:62 commits, 43 PRs, 74 pushes in 5 years
webpack-pluginurlswebpack-loadertransformcss
keidrun/portfolio
Jun 2017 - Feb 2023
Keid's portfolio site.
Contributions:119 commits, 39 PRs, 214 pushes in 5 years 9 months
javascriptnextjsreact
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