Born and raised in South Korea, I am an engineer with a computer science degree from UC Berkeley. My passion lies in artificial intelligence, automobile, and basketball.

Experience

2024 — NowTikTokSoftware Engineer

2024 — Now

San Jose, California, United States

Backend Software Engineer @ TikTok Shop, Content E-commerce

2023 — 2023Samsung ElectronicsSoftware Development Engineer Intern

2023 — 2023

Developed CLI (command line interface) of an internal device attestation library (SPDM) for the team’s device testing environment.

Implemented functions to compute a fixed-length hash value of the device’s certificate chain for device authentication purposes.

Edited next generation Samsung SSD whitepaper regarding new SPDM capabilities.

2020 — 2022Korea UniversityUndergraduate Researcher

2020 — 2022

Seoul, South Korea

Implemented a machine learning based detecting algorithm with accuracy of 99.23% for cache

side-channel attacks using Intel PCM. (C++/Python)

Researched on vulnerability of CPU microarchitecture and constructed a covert channel attack

with 2.7Kbps of bandwidth and 3.64% of bit error rate on heterogeneous processor platforms.

Conducted security analysis on ECG/EEG-based authentication protocols and verified privacy

leakage by extracting gender/age/disease in average of 98.1% of accuracy using Random Forest.

2018 — 2018CH Academy (CH 아카데미)Software Engineer Intern

2018 — 2018

Seoul, Korea

Led a 3-person team developing core framework components for an application

Currently launched in Google Play Store as “8 constitution, Health advisor” (translated) with 10k+ downloads and is being used by the medical institution.

Education

University of California, Berkeley

Experience

Education

Bachelor's degree