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Coding
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Coding
7 followers · 18 following

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Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLOAchievement: Quickdraw

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tony-yun/README.md

Hey! Nice to see you.

👋 Hi, I'm Tony, a frontend developer from Seoul, South Korea.
I specialize in crafting intuitive, high-performance mobile apps (React Native, SwiftUI) and web applications (Next.js).

Things I code with:

💻 Languages

🚀 Frontend Development

📱 iOS Development

🔄 State Management

📦 Package Managers

🛠️ Tools & Libraries


💻 Frontend Engineer · React Native & Next.js Developer

🎓 Education

Period University Degree
~ 2021.09 Peking University Bachelor of Business Administration

💼 Career

Period Organization Role
2025.10 ~ Mathpresso Inc. React Native / iOS Developer
2024.01 ~ DoubleNC Inc. React Native Developer
2022.12 ~ Hackers Inc. React Native Developer
2021.12 ~ JJnet Inc. AI Engineer, React Native Developer

🔍 Specialized Domains

Mobile Development(React Native & Swift) · CI/CD Pipeline · Design System · E-commerce · Payment System

📱 Maintained 3 Company Apps (React Native)

Tech Stack: React Native, MMKV, TanStack Query, Recoil, Zustand, TypeScript

  • 🛒 E-commerce App – Coupon trading & online shopping platform
  • 💬 Crypto Chat App – Real-time community for cryptocurrency
  • 📚 Education App – Video streaming, text editor, in-app purchases
🏢 Enterprise System Development (Next.js & React)

Tech Stack: Next.js, Express, Socket, Sequelize, Recoil, TypeScript

  • 🧩 Internal CMS – Role-based access control & data visualization
  • 💳 Payment Integration – Multiple payment methods & security improvements
  • 🎨 Design System – Reusable components for UI/UX consistency
  • 📢 Promotional Integrations – External campaign integration
  • 💬 Channel Talk Integration – Custom features for customer support
📦 Published 3 Personal Apps (React Native & Swift)

  • 🎬 World Movie App (React Native)
    Movie search, sort, favorites, and email login

  • 💡 LED Board App (UIKit)
    Scrolls user text with custom color, speed, and font

  • 🧺 Grocery List App (SwiftUI)
    To-do list app for groceries, with MVVM architecture and onboarding

🛠 Additional Skills
  • Data Engineering with Python & Pandas
  • Backend Development: RESTful API, Express, MySQL, Oracle

📫 Let’s Connect

🌍 Language Proficiency

  • 🇰🇷 Korean – Native
  • 🇨🇳 Chinese – Native (HSK 9, studied & lived abroad for 15+ years)
  • 🇺🇸 English – Business (OPIc certified)
  • 🇯🇵 Japanese – Conversational (JLPT N2)

Popular repositories Loading

  1. tony-yun tony-yun Public

    1

  2. tony-yun.github.io tony-yun.github.io Public

    tony-yun's portfolio website

    HTML 1

  3. Instructions Instructions Public

    Forked from ephread/Instructions

    Create walkthroughs and guided tours (coach marks) in a simple way, with Swift.

    Swift 1

  4. flow-forecast flow-forecast Public

    Forked from AIStream-Peelout/flow-forecast

    Deep learning PyTorch library for time series forecasting, classification, and anomaly detection (originally for flood forecasting).

    Python

  5. Linux Linux Public

    Storage for Linux codes

  6. Cocoatalk-clone-coding Cocoatalk-clone-coding Public

    beginner (learning javascript, html, css)

    HTML