About

Database engineer building reliable systems and readable notes.

I work around PostgreSQL, distributed databases, automation, and the tooling that keeps engineering work reproducible.

YoungUk Song Profile

Database Engineer

I focus on database operations, PostgreSQL internals, and automation that makes repeated engineering work safer. This site is where I turn debugging notes, paper reviews, and system design lessons into durable writing.

Education

SungKyunKwan Univ.

BS @ Computer Science and Engineering
  • System Consultant Group
  • TA and mentoring program
  • Scholarship

Mar 2018 ~ Aug 2024

Chungnam Science High School

Mar 2016 ~ Feb 2018

Work Experience

Kakao Corp

Distributed Database
  • Operate and troubleshoot PostgreSQL clusters.
  • Develop PostgreSQL installation modules and GitHub Actions based automation.

Aug 2024 ~ Present

Kakao Corp

Database Engineering
  • Implemented a DDL-aware sink connector in Java with Debezium.
  • Handled empty Kafka topics while keeping DDL synchronization consistent.

Jan 2024 ~ Mar 2024

VLDB Lab Research Intern

Lab intern
  • Published an SQL MNIST paper at KDBC.
  • Implemented machine learning algorithms in SQL and compared performance with PostgreSQL, NumPy, and HyPer.

Jul 2023 ~ Jan 2024

Project

Pyodide

Opensource Contribution
  • Contributed to Python-in-the-browser runtime behavior and documentation.
GitHub

Enlistpedia

Project
  • Built a military service information platform during the OSAM Hackathon.
GitHub