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haneulcho/README.md

Hi ๐Ÿ–๏ธ I'm Haneul Cho.

๐Ÿš€ Founder at Hiclaps, building AI agent-powered products

โœจ Former Front-end Lead at Weolbu, and Engineering Team Lead at 3ProTV

๐Ÿ’ก Passionate about turning ideas into production-ready products through design, technology, and leadership

๐Ÿ‘ฉโ€๐Ÿ’ป Core Technologies

TypeScript JavaScript React Next.js NestJS PostgreSQL Vue.js Nuxt


๐Ÿ“š Languages and Tools

Read More

Currently exploring agent orchestration, tool use, RAG, and evaluation workflows.

Python LangChain LangGraph

FastAPI Drizzle ORM Redis BullMQ

HTML5 CSS3 SASS Tailwind CSS

TanStack Query Zustand Pinia React Hook Form Zod Axios

React Native Expo

Previous frontend experience: jQuery, Gulp, Redux, Vuex, Recoil, Jotai, Yup, Styled Components, Emotion, Twin Macro

pnpm Yarn Turborepo

Webpack Vite Rollup

Babel ESLint Biome

Poetry Ruff Mypy

Vitest Playwright Storybook

Testing coverage also includes: Cypress, Jest, Testing Library, Maestro

Node.js Express.js Socket.io PHP MongoDB Supabase MySQL GraphQL

Git GitHub Actions Docker AWS NetBird Vercel Fastlane n8n Traefik

Past infrastructure experience includes: Spinnaker, Fly.io, Jenkins

Visual Studio Code Slack Notion Jira Figma Swagger Postman

Other tools I've worked with: Nx, Zeplin, Weblate, Insomnia, Adobe XD


๐Ÿ‘พ What I Build & Lead

  • Frontend Architecture and Full-stack Products from 0 to 1
  • Scalable APIs and Event-driven Systems
  • Design Systems and Accessible User Interfaces
  • Custom CMS and Commerce Solutions (WordPress, Cafe24, Shopify)
  • Technical Leadership and Developer Experience
Read More

Frontend & Product Engineering

  • Scalable Frontend Architecture

  • Responsive Web Design and Progressive Web Apps

  • Cross-platform Mobile Applications

  • Design Systems and Shared Component Libraries

  • Web Performance and Search Engine Optimization

  • Web Accessibility and Inclusive UI Development

Backend & Architecture

  • Type-safe REST APIs and Contract-driven Development

  • Redis Caching and Cache Invalidation

  • Background Jobs and Outbox Patterns

  • Push Notification Systems with Firebase Cloud Messaging

  • Monorepo Architecture and Package Boundary Design

Quality & Delivery

  • Automated Testing across Unit, Integration, and E2E

  • Docker-based CI/CD and Cloud Deployment

  • Automated Code Review and Developer Tooling

  • AI-assisted Development Workflows

  • Legacy System Modernization

  • Technical Documentation and Engineering Practices


๐Ÿ“ What I'm Exploring

  • AI-powered Product Prototyping
  • AI Agent Workflows and Tool Orchestration
  • LangChain, LangGraph, RAG, Evaluation, and Multi-agent Systems

Top Langs

Pinned Loading

  1. react-video-thumbnail-extractor react-video-thumbnail-extractor Public

    React component for extracting thumbnails from video

    TypeScript 12

  2. Node-Vue.js-Twitter-Scraper Node-Vue.js-Twitter-Scraper Public

    Forked from dansalerno712/Node-Twitter-Scraper

    Scraping twitter using Puppeteer and Node, Vue.js

    JavaScript 1

  3. ticket-recatcher ticket-recatcher Public

    A Google Chrome extension that automates and optimizes ticket selection and recapturing for high-demand events.

    JavaScript

  4. coding-test-app coding-test-app Public

    Interactive coding-test lab for practicing and authoring JavaScript algorithm problems with a MDX-based problem builder, and Web Worker test runner.

    TypeScript

  5. vite-monorepo-ui-dev vite-monorepo-ui-dev Public

    Monorepo(Turborepo) Vite ๊ธฐ๋ฐ˜ UI ๊ฐœ๋ฐœ ํ…œํ”Œ๋ฆฟ

    SCSS 1

  6. docs-next docs-next Public

    Forked from vuejs-kr/docs-next

    Vue 3 ํ•œ๊ธ€ ๋ฒˆ์—ญ

    Vue