1.0x

About


MY
Yoon JunHyeon
Software Developer · Team Lead
Currently - QESG

Hi, I'm JunHyeon

I'm a software developer who enjoys games, subculture, and traveling around Japan.

I started in frontend development because I loved seeing the features I built come to life on screen.

As AI blurs the boundaries between areas of development,

my work now spans frontend, backend, infrastructure, and system design.

I'm interested in improving productivity through a wide range of new technologies,

and I keep up with technology through articles, YouTube, and other sources.

Recently, I've been exploring multi-agent orchestration and building a harness structure that fits the way I work,

while continuing to work on personal projects.

I created this blog to fulfill a long-standing wish to run a technical blog,

and to put new technologies into practice through a personal project.

Tech Stack

Using

Technologies I currently use for company products and personal projects.

Timeline

I began as a frontend developer working mainly with Vue.js.
As AI blurs the boundaries between development disciplines, I now also handle backend development, infrastructure, and system design.
Outside work, I build personal projects including static sites with Astro and apps with Flutter.
Below is my career history and a selection of projects I've worked on.
For more details, see my resume.

  • QESG Development Team Lead

    2026.10.08 ~ Present
  • QESG Manager

    2025.04 ~ 2026.10.07
  • Free

    2024.09 ~ 2025.04
  • TWOZ Senior Developer

    2024.02 ~ 2024.08
  • TWOZ Associate Developer

    2021.09 ~ 2024.01
  • TWOZ Intern

    2020.03 ~ 2021.08
  • B.S. in Computer Engineering, Kyung Hee University

    2015.03 ~ 2021.08

Use Tools

Tools I use most often for development and personal work.

OS

  • Mac: Mostly Dev
  • Window: Game + Dev
  • Linux(Ubuntu): Server

Browser

  • PC: Chrome, Aside, Ego lite
  • Mobile: Safari

IDE / ADE

  • Orca
  • Herdr: Testing

AI

  • Claude / Claude Code
  • ChatGPT / Codex
  • Hermes
  • Gemini

Text Editor

  • Memo: My personal app
  • Orca text editor

Other Development Tools

  • Fork: Git GUI
  • Mise: Unified development tool version manager

Mac

  • Homebrew: App Package Manager
  • Better Touch Tool: Mac Trackpad Gesture & Shortcut Customization
  • CleanShot X: ScreenShot & Screen Record Tool
  • PixelSnap: Screen px Measuring Tool
  • ColorSlurp: ColorPicker
  • AltTab: Tab Handling Tool
  • Pastpal: Clipboard Manager
  • Karabiner: Mac keyboard remapping

Cross

  • NordVPN
  • NordPass

Windows

  • PicPick: Image capture
  • Ditto: Clipboard manager
  • PowerToys: Official Windows utilities