Jeonggyu Choi

Woowa Bros

Backend developer • Jul 2013 — Aug 2023

Participated in Woowa Tech Camp 6th, a backend education internship program.

• Led a shopping mall project Soolsool
• Conducted Java and Spring education
  • Focused on stable code principles such as ATDD and object-oriented design.
  • Wrote a retrospective blog post on the Woowa Brothers tech blog.
  • Presented a mini-seminar about Spring exception handling
  • Advocated for a test-based learning study approach to peers.

Soolsool

Backend Developer • Aug 2023

• Improved query performance significantly through MySQL query tuning 80 times on related products and 350 times on order rate of product
• Enhanced responsiveness and TPS 175% using Redis for delayed writes.
• Managed project schedule, documented team conventions, and established CI/CD environment.
• Designed system architecture within company resource and security constraints.
• Presented mid-term and final project demos.

Web

Java, Spring framework, JPA

Database

MySQL, Redis

DevOps

GitHub actions, Docker

Yeungnam University

Bachelor of Computer Engineering • 2017 — 2024

• GPA: 4.19 / 4.5
• Mentored in Mentoring Program 2 times

• 우아한테크캠프 6기 교육생들의 7월 회고 - 우아한기술블로그