Geon

Frontend Engineer

Passionate frontend engineer with experience building modern web applications. Focused on user experience, performance, and clean code.

Experience

Tech Corp

Senior Frontend Engineer

2022.03 ~ Present

Leading frontend development for the main product.

Design System

2023.01 ~ Present

Built and maintained a company-wide design system used by 5 teams.

  • Developed 30+ reusable React components with Storybook documentation
  • Reduced UI inconsistencies by 80% across products
  • Implemented automated visual regression testing with Chromatic

Performance Optimization

2022.06 ~ 2022.12

Led a performance initiative to improve Core Web Vitals.

  • Reduced LCP from 4.2s to 1.8s through code splitting and image optimization
  • Implemented lazy loading for below-the-fold components
  • Set up performance monitoring with custom dashboards

Startup Inc

Frontend Engineer

2020.01 ~ 2022.02

Full-stack web development for an early-stage startup.

Customer Dashboard

2020.06 ~ 2022.02

Built the main customer-facing dashboard from scratch.

  • Developed responsive dashboard with React and TypeScript
  • Integrated RESTful APIs with React Query for data fetching
  • Implemented real-time notifications using WebSocket

Skills

Frontend

  • React, Next.js, TypeScript — primary stack for all projects
  • Tailwind CSS, CSS Modules — styling approaches
  • React Query, Zustand — state management and data fetching

Tools & Infrastructure

  • Git, GitHub Actions — version control and CI/CD
  • Storybook, Chromatic — component documentation and visual testing
  • Vercel, AWS — deployment and hosting