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ssummini/README.md

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πŸ’» Hello, I'm Sumin Jeon

Backend Developer focused on building secure, scalable, and well-structured systems.
I enjoy designing APIs, implementing authentication systems, and deploying full-stack applications to the cloud.

πŸš€ Currently strengthening backend fundamentals through solo architecture projects.
☁️ Interested in Cloud, DevOps, and performance optimization.


πŸš€ Featured Projects

🏒 MiniBackoffice (Solo Project)

A backend-focused admin system built to deepen architecture and deployment experience.

  • JWT Authentication & Role-Based Authorization (USER / ADMIN)
  • CRUD API Design (Layered Architecture)
  • dev(H2) / prod(PostgreSQL) profile separation
  • Environment variable & security configuration
  • Render deployment (Production environment)
  • Frontend integration with React + Axios

πŸ”— Backend Repository: https://github.com/ssummini?tab=repositories

πŸ”— Frontend Repository: https://github.com/ssummini/MiniBackoffice-Frontend


πŸ›’ MOIVO (Team Project, 7 Members)

Fashion E-commerce Platform

  • Spring Boot + React full-stack development
  • JWT authentication & member management
  • Grade automation (Scheduler-based logic)
  • Coupon issuance & MyPage features
  • Toss Payments integration
  • Jenkins CI/CD pipeline
  • NCP Object Storage for image management

πŸ”— Project Repository: https://github.com/ssummini/Moivo_project


πŸ› οΈ Tech Stack

πŸš€ Backend

Java Spring Boot Spring Security

πŸ—„ Database

MySQL PostgreSQL Oracle

☁️ DevOps & Cloud

Jenkins Docker NGINX Naver Cloud Render

🌐 Frontend

React JavaScript HTML5 CSS3


πŸ“Œ About Me

πŸŽ“ Medical IT Engineering, Soonchunhyang University
πŸ’‘ Interested in backend architecture & clean code
πŸ” Focused on authentication, authorization, and API design
πŸ“ˆ Continuously improving through personal projects and technical blogging


πŸ“« Contact

πŸ“§ [email protected]
πŸ“‚ Portfolio: https://drive.google.com/file/d/1mcPD0h34iO8wSdYtf2-XCsMn9Q5dNHEY/view?usp=sharing


Pinned Loading

  1. Algorithm Algorithm Public

    This is an auto push repository for Baekjoon Online Judge created with [BaekjoonHub](https://github.com/BaekjoonHub/BaekjoonHub).

    Java

  2. Moivo_project Moivo_project Public

    Forked from jokangmin/Moivo_project

    JavaScript

  3. MiniBackoffice MiniBackoffice Public

    Mini commerce backoffice API (Spring Boot + JPA + MySQL)

    Java

  4. MiniBackoffice-Frontend MiniBackoffice-Frontend Public

    JavaScript