Profile

Education

Korea Advanced Institute of Science and Technology (Mar 2013 ~ Aug 2020)
- B.S. in Computer Science
- GPA : 4.02 / 4.3 (Second highest GPA; Summa cum laude)
Technical University of Munich (Oct 2019 ~ Mar 2020)
- Exchange Student

Improving model robustness by automatically incorporating self-supervision tasks [pdf] [source code]
- D. Kim, K. Lee and C. Suh, NeurIPS 2019 Workshop on Meta-Learning

Information System Laboratory, KAIST (Feb 2019 ~ Jan 2020)
- Undergraduate Researcher. Advisor : Changho Suh
- Studied on the fairness and robustness of deep learning model.
CS Automation Project, Devsisters
- Project Lead
- Automated replying for specific CS(Customer Service) tickets. Applied few-shot learning to deal with new kind of tickets.
- DEVIEW 2017 : Customer Service Response using Machine Learning [link]
Network Intelligence and Analytics Lab, KAIST
- Research Intern. Advisor : Jinwoo Shin
- Studied on pairwise comparison algorithm based on the PageRank algorithm and graphical probabilistic model.

Senior Software Engineer @Google (Jul 2020 ~ Current)
- YouTube Discovery (Aug 2021 ~ Current)
- Google Search (Jul 2020 ~ Aug 2021)
Software Engineer @Devsisters (Jan 2016 ~ Feb 2019)
- Game Server(CookieRun:Ovenbreak): Designed and implemented a game server based on HTTP API for CookieRun:Ovenbreak(CRO), which has at most 1 million daily active users. Mainly contributed to loot box system, social interactions, userdata migration, and coupon usage system.
- Infra Management: Managed all server resources related to CRO including game server, back-office tools, database, logging infra, and network configurations as code using Terraform.
- Network Layer: Implemented a custom protocol and robust network layer code based on UDP for a real-time game, which supports selective retransmission, packet compression, and authentication.
- Real-time Game Logic: Solely achieved high performance of real-time game logic with parallel programming on layered architectures.

Korean Shiritori(끝말잇기) AI (work in progress)
- A game AI based on minimax algorithm.
- Keywords : Artificial Intelligence, Minimax algorithm, Crawling
Bill Splitter
- An application which helps bill splitting and reduces the number of transactions less than the number of people.
- Keywords : React, Algorithm, Cloudflare
- [source code] [demo]
Voicechat
- Basic voicechat application based on WebRTC. It supports text messaging as well as voice chatting.
- Keywords : WebRTC, STUN, WebSocket
- [source code]
TCML-tensorflow
- A tensorflow implementation of Meta-Learning with Temporal Convolutions
- Keywords : Tensorflow, Meta-Learning, Deep Learning
- [source code]
Go Caplit Parser (deprecated)
- A caplit message deserializer in Go
- Keyworkds : Go, Parser, Cap’n Proto
- [source code]

SPARCS (Sep. 2014 ~ )
- Software development club @KAIST
- Project lead of ‘KAIST online community renewal project’
RUN (Sep. 2015 ~ Feb. 2016)
- Algorithm study club @KAIST