Skip to content
View jayjunn's full-sized avatar

Block or report jayjunn

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
jayjunn/README.md

Hi there, I'm Younggeun Jun (전영근) 👋

🚀 Front-End Engineer & Web Architect

Crafting high-performance, accessible, and interactive digital experiences for the modern web.
대규모 트래픽 이커머스와 Web3 SaaS 서비스에서 신뢰할 수 있는 사용자 중심 인터페이스를 설계합니다.

Portfolio Velog LinkedIn Email


👨‍💻 Professional Summary

  • 🌐 5+ Years of Front-End Engineering Experience Proven track record in engineering scalable, high-traffic consumer web applications across global e-commerce (eBay Japan, COS / H&M Group) and enterprise Web3 SaaS (Blocko). • 글로벌 대규모 트래픽 이커머스 및 엔터프라이즈 SaaS 플랫폼을 리드해온 5년+ 프론트엔드 엔지니어입니다.

  • Build Pipeline & Web Performance Optimization Spearheaded build infrastructure migration from Webpack to Rspack, slashing compilation times by 20% and drastically improving CI/CD delivery and Developer Experience (DX). • Webpack에서 Rspack 마이그레이션을 주도하여 빌드 속도를 20% 단축하고 개발 생산성을 개선했습니다.

  • 🎬 Video Streaming & Interactive Micro-Interactions Architected real-time HLS video streaming ad modules and crafted fluid, frame-perfect micro-animations using Framer Motion and modern Canvas APIs. • HLS 비디오 스트리밍 광고 모듈 개발 및 부드러운 반응형 마이크로 인터랙션을 설계했습니다.

  • 🧱 Modern State Management & Modular Architecture Designed robust, maintainable UI systems leveraging React 19, Next.js (App Router), TypeScript, TanStack Query, and atomic state management with Jotai. • React, Next.js, TypeScript 기반의 견고한 컴포넌트 아키텍처와 유연한 상태 관리를 지향합니다.


💼 Career Highlights


🛠 Technical Arsenal

Category Technologies & Tools
Core & Frameworks React Next.js (App Router) TypeScript JavaScript (ES6+) React Native HTML5/CSS3
State & Data Layer TanStack Query Jotai Zustand GraphQL RESTful APIs Firebase Node.js
Styling & Animation Tailwind CSS Framer Motion CSS Modules Responsive Design
Tooling & DevOps Rspack Webpack Vite Turbopack Git / GitHub Actions Vercel

Pinned Loading

  1. Full-Stack-Arirbnb Full-Stack-Arirbnb Public

    TypeScript

  2. humble-bank humble-bank Public

    An ongoing personal-project, User friendly personal finance App that tacks tracks and categories user's transactions stacks I used JavaScript, React Native, Node.js, Express, MongoDB, Mongoose

    JavaScript

  3. jayjunn jayjunn Public