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shinsj4653/README.md

Hi, I'm Seongjun Shin πŸ‘‹

I am a passionate individual who enjoys creating new insights for people. I have contributed to the Elasticsearch Java open-source project and am currently seeking more opportunities to contribute. With my proficiency in zero-downtime CI/CD deployment, I am also studying ways to create efficient testing pipelines using these deployment methods.

πŸ“« How to reach me: [email protected]

πŸ–‹οΈ My DevBlog: Click here!

πŸ”­ Projects

  • Elasticsearch Java Opensource Contribution Mar 2024 ~ Jun 2024

    • Searched through over 70 issues on the Elasticsearch-Java open-source project. Selected the following issue. Issue Link
    • Modified the deserializer's response type in the client code, ensuring it successfully matched the type in the server-side code. Commit Link
  • Google Solution Challenge - BeadyEyes Dec 2023 ~ Feb 2024

    • Implemented a CI/CD pipeline using the deploy.yml file in GitHub Actions, consisting of 10 commands, to automate server change deployments for the application.
    • Successfully implemented a blue-green deployment method using Nginx port forwarding for seamless deployment on a single server instance, reducing downtime during the deployment of a new server version from approximately 10 seconds to 0 seconds.

πŸ’Ό Experience

  • Data Portal Web Service Development at V Company Jul 2023 ~ Dec 2023

    • Standardized over 200 DB tables from 20 different departments into a unified metadata format (table ID, comments, category), thereby accomplishing company-wide data centralization for the company's data portal service.
    • Achieved a 50% decrease in search speed by utilizing the copy_to feature in Elasticsearch and reducing the number of search filtering conditions from three to one in the metadata.
    • Improved the retrieval time for popular search keyword rankings by 60% by applying force merge to the daily search log data, making data older than 24 hours read-only.

πŸ“š Study

  • ATDD Study Program Jul 2023 ~ Sep 2023

    • Utilized the RestAssured Library to write acceptance test codes.
    • Learned the Mockito library and wrote service layer test code through stubbing.
    • Studied the random port environment during acceptance testing and gained an understanding of Java threads and transactions.

πŸ’» Skills

Server-side

Java Spring Python NodeJS

Front

JavaScript React React Native React Query

Database

ElasticSearch MySQL PostgreSQL

Cloud

AWS

Collaboration Tool

🏑 Education & Clubs

  • Bachelor's degree in Computer Engineering from Konkuk University (Mar 2018 ~ Feb 2025)
  • Studied Java and SpringBoot skills in GDSC(Google Developer Student Clubs) (Sep 2023 ~ Jun 2024)
  • Learned how to design large scale systems in BOAZ(Big Data is our A to Z) Club (Jan 2024 ~ Jun 2024)

Pinned Loading

  1. vs-data-portal-backend vs-data-portal-backend Public

    V사 데이터포털 μ›Ή μ„œλΉ„μŠ€ - BE

    Java 1

  2. BeadyEyes-Backend BeadyEyes-Backend Public

    Forked from GDSC-Solution-Challenge-Team-4/BeadyEyes-Backend

    GDSC-Konkuk Solution Challenge BeadyEyes Team - Backend

    Java

  3. 2024-Server-Gridge-Test 2024-Server-Gridge-Test Public

    Forked from 5STARJeongHee/Gridge-Test-2024-Server

    Java

  4. BOAZ-bigdata/24-1_Study_Large-ScaleSystemDesign BOAZ-bigdata/24-1_Study_Large-ScaleSystemDesign Public

    λŒ€κ·œλͺ¨ μ‹œμŠ€ν…œ 섀계 기초 (2024λ…„ μƒλ°˜κΈ° λ°©ν•™ μŠ€ν„°λ””)

    5 7

  5. Recommendation-Server Recommendation-Server Public

    Forked from 2023-KU-GraduationProject-Team3/Recommendation-Server

    Recommendation-Server

    Jupyter Notebook

  6. atdd-subway atdd-subway Public

    Forked from Konkuk-KUIT/KUIT1_atdd-subway

    atddλ₯Ό μ—°μŠ΅ν•˜λŠ” λ ˆν¬μ§€ν† λ¦¬ μž…λ‹ˆλ‹€.

    Java