Database Administrator specializing in MySQL, data infrastructure, and automation.
I have managed and improved database platforms across diverse domains, including cloud services, gaming, webtoons, and music.
I also provide technical guidance on the design and development of managed DBMS services at a cloud service provider.
Environments
- On-Premises · Cloud (NHN Cloud · AWS)
Databases
- MySQL · MariaDB · Oracle
- MongoDB · Redis · Valkey · Kafka
Engineering
- Database Tooling & Automation
- Observability & Monitoring
- Python · Agentic Coding
CPython · Valkey · oh-my-claudecode · Claude-Usage-Tracker
- CPython #155171 — gh-150942: Speed up BytesIO.readlines() using reference-stealing append
- CPython #155030 — gh-84291: Clarify Pool.imap documentation
- Valkey #4102 — Deflake "Replica output bytes metric" with atomic stats capture
- CPython #150074 — gh-135828: Disable syntax highlighting in Using Python on macOS
- Valkey #3769 — Preserve module load order in CONFIG REWRITE



