Hello, my name is Yu Gil-jong. I am based in Seoul, South Korea, and work as a front-end developer.

Before I got into development, I was involved in music, and before that, I wrote. and Now i'm in love with development

I enjoy talking about development. If you'd like to chat or have any requests,

please feel free to email me at [email protected]. You're welcome anytime.

Xionhub is my most beloved project.🥰

This project is organized as a monorepo and provides all the shared configs and plugins for eslint, prettier, TypeScript, which I frequently use, along with utility functions. Additionally, you can find the design tokens I built myself and the React component design system based on them.

🍰Feature sliced design prettier shared configuration

@xionhub/fsd-prettier is a library I created that can be usefully used in projects that comply with Feature-Sliced ​​design.

Theo's Sprint is a sprint in which designers, back-end developers, and front-end developers gather to experience collaboration and develop an MVP over a short period of 6 days.

Frontend Article Study is a study group that I lead.

This study has been active since August 2023, continuing to the present with 15 team members actively participating. The purpose of this study is to facilitate exchange among frontend developers.

Technical SEO Study 3 is a study group I participated in as a member.

This study started in March 2024 and focuses on learning challenging or easily overlooked SEO optimization techniques. Through studying and undertaking demo projects, it aims to build SEO skills from the perspective of a frontend developer.

I run a tech blog that has accumulated 110,000 visitors with an average of 500 daily visitors.

Below is a collection of articles from my tech blog that I love or that have received a lot of love.

• Yarn Berry Version 4 Released and Zero Install's Unattractiveness
• From Concept to Implementation of React Animate Presence
• Javascript Hoisting Deep Dive

I enjoy working with frontend development productivity tools. Below is a list of the technology stack I am particularly confident in.

• Frontend Frameworks/Libraries: I primarily use and I often enjoy looking into the source code of these open sources and have a decent understanding of their operating principles at the code level.
• Languages: I love ,I aim for strictly type-safe code and do not hesitate to make efforts to achieve it.
• Styling: I am a fervent fan of the utility-first philosophy of I love the TailwindCSS ecosystem and have even tried building my own design tokens and TailwindCSS plugins.
• Build Tools & Package Managers: I prefer but am not limited to any specific package manager. My choice of build tool is centered around performance and developer experience. I use

I work as a frontend developer at a company called Quokka Crew. I am currently developing an application called Yeonpick, which can be checked at here. In this application, I am responsible for developing the webview part and the project is made up of Next.js, TypeScript, and Yarn Berry.

At this place, I have been tasked with optimizing CI/CD times, developing common components, minimizing build times, logging user actions, developing numerous features, and improving performance.

For collaborations or discussions on new technologies and project ideas, you can reach me through the following:

I look forward to connecting with like-minded individuals and exploring the endless possibilities in the realm of web development.