As a PM/EM of the Ad Engine team, I led the development and deployment of an ad serving system for demand side, focusing on improving key components including RTB, budget pacing, and ad event tracking. Since its launch, the system has seen a ten-fold increase in traffic processed.

As a DevOps team lead, I have played a key role in the successful migration of our existing environment to Kubernetes and the transition from monolithic systems to a microservice architecture. This transition has allowed us to improve scalability, efficiency, and maintainability of our services.

I co-founded the company that ran lockscreen app called Slide in India. The service reached 8 million downloads, and received $4.5 million in funding. Later, the company was acquired by Buzzvil.

I was a co-founder at Ultra Caption and helped launch several apps, including Klassmate and 너말고니친구, Martini, and so on. I gained experience in product development and project management.

As a software engineer, I developed several systems like newsfeed, contact, notification for Hiworks, a groupware software.