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minjeongkimm/README.md

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Building reliable services with stable architecture and consistent data flow

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About Me

  • I am a backend developer focused on building reliable and maintainable services with Java and Spring Boot
  • I am interested in data consistency, concurrency control, and real-time communication
  • I care not only about implementing features, but also about designing systems that remain stable in real-world situations
  • I enjoy building backend structures that are easy to maintain and collaborate on
  • I am especially interested in backend engineering for financial and platform services

Education

  • B.S. in Electronic Communication Engineering

Tech Stack

Backend

Java Spring Boot JPA MyBatis

Database / Cache

MySQL PostgreSQL Redis

Real-time / Communication

WebSocket WebRTC

Frontend

JavaScript Vue.js JSP

Testing

JUnit5 Mockito

Infra / DevOps

Docker GitHub Actions

Collaboration

GitHub GitLab Notion Jira


Projects

Customized fintech platform for children's financial habit formation

  • Implemented backend APIs for consumption goal challenges, linking real-time status updates with batch processing for weekly rewards
  • Optimized database operations utilizing IN-Query for Upsert and secured avatar item ownership validation
  • Designed QR code-based family mapping logic with strict affiliation checks and robust exception handling
  • Ensured system reliability by applying Role-Based Access Control (RBAC) and BDD-structured testing with Mockito

Real-time logistics monitoring and video support platform

  • Contributed to backend development and domain design
  • Implemented a WebSocket-based structure for real-time status sharing
  • Considered data consistency and processing flow in a multi-user environment

Mock investment and asset management service

  • Implemented backend logic with a focus on transactional consistency
  • Designed stable service flows for handling asset-related data
  • Thought through service reliability under unstable external data conditions

2025 Shinhan Bank WITH SSAFY Hackathon project for increasing user engagement in financial services

  • Participated in backend logic and service feature implementation
  • Worked on features designed to encourage continuous user participation
  • Explored how backend systems can support better financial user experiences

Interests

  • Concurrency and transactional consistency
  • Stable and scalable API design
  • Maintainable architecture
  • Real-world problem solving through backend systems

Contact

Pinned Loading

  1. SOLSOLHEY SOLSOLHEY Public

    Java 1 4

  2. baekjoon_study baekjoon_study Public

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

    Java

  3. akku-bank/AKBK akku-bank/AKBK Public

    ์•„๊พธ๋ฑ…๊พธ (ESG ๊ธฐ๋ฐ˜ ๊ฒŒ์ด๋ฐ ํ•€ํ…Œํฌ ํ”Œ๋žซํผ)

    Java 3

  4. jo3mosa/modu jo3mosa/modu Public

    Java 2

  5. Attack-on-no-5/LOOKie Attack-on-no-5/LOOKie Public

    AI ๊ธฐ๋ฐ˜ ๋ฌผ๋ฅ˜ ์ง‘ํ’ˆ ํ˜„์žฅ ๊ด€์ œ ์‹œ์Šคํ…œ

    Java 2

  6. etfinder etfinder Public

    ssafy ๋Œ€์ „ 3๋ฐ˜ ๊ด€ํ†ต ํ”„๋กœ์ ํŠธ (๊น€๋ฏผ์ •, ๋ฐ•์„œ์˜)

    Vue 1 1