Home한국어 이력서

KIM JE MIN

wpals814@gmail.com|github.com/kimmjen|Portfolio

Professional Summary

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.

Experience

ECHOITData Labeler / Freelancer
2025.07 - 2025.11

Data Construction and QA for National Assembly AI

  • Started as a data labeler and transitioned to a Data Validator role recognized for high accuracy and understanding.
  • Created 'Standard Inspection Guidelines' to ensure consistency across 3 validators.
  • Documented 'Work FAQ' based on recurring questions to improve team efficiency.
Software WorkshopSenior Researcher (Frontend Developer)
2024.12 - 2025.03

Toyota Telematics Web Publishing(2024.12 ~ 2025.03)

  • Web publishing for CallCenterWeb/OperationWeb client and admin systems.
  • Applied responsive web design and ensured cross-browser compatibility.
  • Improved page loading performance through image optimization.
EIPGRIDAssistant Manager
2022.08 - 2024.07

EnergyHub Project(2023.12 ~ 2024.07)

  • Developed service to virtually generate resource data for EIP's VPP platform.
  • Developed VPP connector UI, schedule management, and data update services.
  • Implemented user-centric dashboard using Vue.js.

Amadeus Project(2023.12 ~ 2024.07)

  • Developed service for Balancing Group creation, analysis, and report sharing based on VPP participant data.
  • Developed UI to verify command execution status of Balancing Groups.
  • Developed notification UI for the Amadeus system.

Arkn Project(2023.08 ~ 2023.12)

  • Service providing real-time charging vehicle info, ESS info, and station battery info for charging station managers.
  • Developed UI providing real-time charge/discharge amounts and battery life of MBESS.
  • Developed battery system notification and real-time cell data UI.

D3 Project(2022.08 ~ 2023.09)

  • Built on D1's CBL data to develop a data analysis and visualization service for time-series data of distributed energy resources, enabling automated statistical report generation and sharing.
  • Developed in sprints with planning and process documentation.
  • Implemented application layout, datasets, and admin page UI.

D1 Project Operations & Maintenance(2022.08 ~ 2024.07)

  • Continued operations and maintenance of D1 CBL calculation system originally developed at I-ON Communications.
  • Updated and modified CBL algorithm and customer demand management logic.
  • Managed D1 service server deployment, monitoring, and infrastructure.
I-ON CommunicationsStaff
2021.12 - 2022.08

D1 Project(2021.12 ~ 2022.08)

  • Service calculating and predicting customer baseline load and RRMSE for demand response evaluation.
  • Developed CBL (Customer Baseline Load) calculation system based on KPX (Korea Power Exchange) standards.
  • Implemented CBL algorithms in compliance with Korea and Japan electricity market regulations.

Technical Skills

Front-End:React, Vue.js, Next.js, TypeScript, Tailwind CSS, HTML5, CSS3, JavaScript
Back-End:Python (Flask, FastAPI), Spring Boot
Database:SQL (PostgreSQL), Supabase
Infra:Docker
Cloud:AWS EC2, AWS Elastic Beanstalk, AWS S3, AWS Route53, AWS Lightsail
Tools:Git, GitHub, GitHub Actions, Vite, Webpack, Slack
Others:CI/CD, RESTful API, Data Visualization

Selected Projects

Labeling QA Platform

2025.07 ~ 2025.11

http://labeling-qc.com

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

Refine - AI Link Collector & Manager

2025.12 ~ Present

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

ddendden Project

2024.11 - 2025.02

https://ddendden.vercel.app/

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

Portfolio Website

2024

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

Education

Daejeon UniversityBachelor of Business Administration
2012.03 - 2019.08
BIT Education CenterBig Data Analysis Platform Development using AI Course
2019.11 - 2020.05
KOSA (Korea Software Industry Association)I-ON Communications Recruitment Course
2021.08 - 2021.11