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21 followers · 9 following
  • Seoul, Republic of Korea

Achievements

Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

Achievements

Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

Organizations

@wanted-backend @companion-animals @Seongsu-Book-Club

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zoeyul/README.md

Hi there, I'm Seoyul 👋

🔗 Connect with me

LinkedIn Medium email

💻 Tech Stack

TypeScript Python JavaScript Kotlin GraphQL Solidity Netlify Firebase Vercel AWS Apollo-GraphQL Django FastAPI Express.js Flask Gatsby NestJS NPM Next JS PNPM OpenCV React React Native Redux React Hook Form React Query Strapi Socket.io TailwindCSS Web3.js Nginx Gunicorn Firebase MySQL MongoDB MariaDB Postgres Redis SQLite Supabase CircleCI Fastlane GitHub Actions GitLab GitHub Git Cypress Jest Puppeteer Selenium Sentry Testing-Library Playwright Jira Docker ESLint ElasticSearch Swagger

🔓 Open Source

  • react-native-image-code-scanner:
    • Fixed Android barcode scanning bug: Analyzed and resolved an issue where complex object passing in the React Native bridge resulted in empty arrays; implemented correct API usage to ensure data integrity.
    • Cross-Version Compatibility Support: Restored support for RN 0.70–0.73 by replacing version-specific classes with a universal ReactPackage interface, preventing build breaks in older environments.

🧠 Continuous Learning

  • Refactoring: Improving the Design of Existing Code (2nd Edition) by Martin Fowler – Focuses on structural integrity and code quality in JavaScript.
  • Grokking Simplicity by Eric Normand – deep-dived into functional patterns and system reliability.

📝 Latest Blog posts

Pinned Loading

  1. twitter-client twitter-client Public

    A secure real-time web application featuring Cookie-based auth, Socket.io, and resilient API handling with CSRF protection.

    JavaScript

  2. twitter-server twitter-server Public

    A real-time social media API built with Express, featuring tweet-style posting, authentication, and Socket.io integration

    JavaScript

  3. fullstack-gpt fullstack-gpt Public

    A comprehensive LLM ecosystem featuring RAG-based applications and advanced LangChain orchestrations.

    Jupyter Notebook

  4. zoom zoom Public

    A real-time communication platform featuring Video Calls (WebRTC) and Chat Rooms (Socket.io) with Express & Pug.

    JavaScript

  5. building-owner-soon building-owner-soon Public

    A relationship-based financial service that records financial history through shared stories and trust

    Kotlin

  6. clearity clearity Public

    AI Counseling and Thought-Organization Diary for Self-Analysis.

    TypeScript