Seung Ju logo mark

Muju Healthcare Admin Frontend Development

Company: V2C Co., Ltd.

Period: 2025.11 ~ 2025.11

Role: Developed admin web frontend

Tech Stack: Next.js

Key Outcomes

  • - Built admin operation screens

ENSolution Development

Company: EN Media

Period: 2024.10 ~ Ongoing

Role: Developing a marketing solution

Tech Stack: Next.js(TypeScript), Spring Boot(Kotlin), AWS Lambda(Node.js), K8S, AWS

Key Outcomes

  • - Implemented visitor tracking and crawler for search/place/shopping channels
  • - Implemented automated report publishing
  • - Built payment flow with Toss Payments
  • - Built automated re-registration and auto-bidding for Naver keywords/assets

Prostate Self-Diagnosis Survey Site

Company: AEND Co., Ltd.

Period: 2024.04 ~ 2024.04

Role: Built survey website

Tech Stack: React, PHP, 그누보드

Key Outcomes

  • - Built survey site with React
  • - Built admin side with PHP GNUBoard

KPBMA Digital Archive Development

Company: Korea Pharmaceutical and Bio-Pharma Manufacturers Association

Period: 2025.07 ~ 2025.10

Role: Developed website and digital archive

Tech Stack: HTML, CSS, JS, NodeJS

Key Outcomes

  • - Implemented dynamic archive management by auto-generating detail pages with Node.js

Korean Student Association Upgrade & Server Migration

Company: Korean Association / Dmonster

Period: 2024.08 ~ 2024.09

Role: Upgraded operations and migrated infrastructure

Tech Stack: PHP, 그누보드, AWS EC2

Key Outcomes

  • - Migrated PHP-CGI to PHP-FPM
  • - Migrated Apache to Nginx
  • - Migrated CentOS7 to Amazon Linux 2023
  • - Switched outbound mail to Gmail SMTP
  • - Improved security/operations features (captcha, drag-block, per-board editor)

JEP World E-commerce Development

Company: JEP / Dmonster

Period: 2024.04 ~ 2024.08

Role: Built user/seller/admin web and backend

Tech Stack: Next.js, Spring Boot, MySQL, 스윗트래커, 다날 결제모듈

Key Outcomes

  • - Built website with Next.js
  • - Built backend application with Spring Boot

Veterans Backend Development

Company: Veterans / Dmonster

Period: 2025.01 ~ 2025.03

Role: Developed backend for education platform admin

Tech Stack: NestJS(TypeScript), Prisma

Key Outcomes

  • - Built admin backend using NestJS

Hanuri IoT Application Development

Company: Hanuri / Dmonster

Period: 2024.07 ~ 2024.08

Role: Developed IoT-integrated mobile app

Tech Stack: React Native, Bluetooth

Key Outcomes

  • - Implemented Bluetooth-based front detection and gyro-sensor alerts