Full-stack developer with 3 years of experience designing and operating energy (VPP) platforms end-to-end — from KDB+/PostgreSQL time-series data processing to Vue.js/React dashboard implementation.
Data Construction and QA for National Assembly AI
Toyota Telematics Web Publishing(2024.12 ~ 2025.03)
EnergyHub Project(2023.12 ~ 2024.07)
Amadeus Project(2023.12 ~ 2024.07)
Arkn Project(2023.08 ~ 2023.12)
D3 Project(2022.08 ~ 2023.09)
D1 Project Operations & Maintenance(2022.08 ~ 2024.07)
D1 Project(2021.12 ~ 2022.08)
Labeling QA and interactive editing platform. Developed with React + TypeScript + Vite + FastAPI, providing an automated quality inspection system with 10 validation rules. Includes page analysis tools for other users (large ZIP processing), labeling editing (preview, validation methods), bulk conversion/deletion, and download features. Provides real-time quality metric dashboards and user statistics. Deployed using Docker, GitHub Actions, AWS Lightsail, and Supabase.
Tech: React, TypeScript, Vite, FastAPI, Python, Docker, GitHub Actions, AWS Lightsail, Supabase
https://refine-rust.vercel.app/
PWA bookmark manager that auto-classifies, summarizes, and tags links via Google Gemini AI when saved from mobile share sheet. Built with Next.js 16 + React 19 + TypeScript + Supabase (PostgreSQL + Auth + Storage). Features 100+ platform auto-detection with metadata scraping, YouTube embedded player, drag-and-drop category management, Super Admin dashboard (SQL console, DB schema browser), and 46 Vitest tests.
Tech: Next.js, React, TypeScript, Tailwind CSS, Supabase, Google Gemini AI, SWR, Framer Motion, Vitest, Vercel
Content-centric web platform for Yoo Jae-suk and Antenna Plus. Built with React, Next.js, TypeScript, Tailwind CSS. A fan community hub providing various content series, multi-language support, and an awards system.
Tech: React, Next.js, TypeScript, Tailwind CSS, Vercel
https://github.com/kimmjen/kimmjen-portpolio
Personal portfolio website using Next.js and React. Implemented responsive design with Tailwind CSS and improved user experience.
Tech: Next.js, React, TypeScript, Tailwind CSS, GitHub Pages