Portfolio
Byeongjun Seo
I build things with AI.
I’m an AI engineer, data scientist based in South Korea with a background in smart devices, biotech, and LLM. I love building things that matter.

ABOUT ME
Worked as a data scientist at a Med/Biotech startup in Silicon Valley. During the university, I founded MOIC and developed a V-commerce fashion platform “FinDit”. I love discovering and solving real-world problems through data.
EXPERIENCE
2023.02 - 2023.12
Data Scientist
Cipherome, Inc / Seoul, South Korea
- Created synthetic EHR/genomic datasets using Synthea
- Developed a test-adaptive model
- Designed feature selection methods tailored for biomedical data
- Integrated Med-BERT and evaluated the performance
- Wrote 1st-author paper comparing Clopidogrel alternatives
- Presented poster as a company representative (ASCPT 2023, Atlanta)
2022.03 - 2023.02
Software Engineering Intern
Cipherome, Inc / San Jose, California
- Built COMPASS, a biomedical data analytics platform
- Developed ETL/EDA/ML pipeline modules
- Proactively resolved 20+ critical bugs using test-driven development
- Optimized ICD code mapping algorithms
2021.08 - 2022.01
CTO, Co-founder
MOIC / Seoul, South Korea
- Led AI tech for “FinDit” – a V-commerce fashion platform
- Built object detection / segmentation models with K-fashion data
- Designed feature encoding pipelines and automated preprocessing
- Selected for 2021 government’s youth entrepreneurship program
EDUCATION
Sejong University 2017.03–2023.08
B.S. in Smart Device Engineering, Intelligent Mechatronics B.S. in Software Engineering (Double Major)
Google for Developers 2024.07–2024.10
Google Machine Learning Bootcamp
SKILLS
Certification
Google Cloud Certified: Professional Machine Learning Engineer
Learn MoreOPIc – Advanced Low(AL)
Learn MoreAWARDS
1st Prize
ICT Innovation Square BigTech Hackathon
2024.12 • KSTA

- Planned and developed a multi-modal AI service that recommends and summarizes Korean National Assembly records personalized for individuals.
1st Prize
Google-NIPA Joint AI Project
2024.11 • NIPA(KOSA)

- Planned and developed "A-yo-image (Animate your image)" project.
- Generated multi-frame sprites from pixel art images with user-defined motion.
Top 5
Clinical AI Hackathon
2022.12 • Cipherome, Inc
- Developed a model predicting adverse drug reactions
- Improved performance through feature reduction using domain knowledge.
1st Prize
AI Challenge Coding Competition
2021.11 • Sejong University
- Solved 5 Kaggle competitions modeled after real-world problems.
- Only person to solve the Treasury spread prediction (time-series).
4th Prize
SW/AI Hackathon
2020.12 • Sejong University
- Built a web service guiding campus facilities and restaurant info.
- Developed a recommendation system for school and local menus.
1st Prize
Startup Idea Competition
2020.12 • Sejong University

- Developed Bell:U, a mobile app for signaling bus boarding intentions.
- Implemented passenger counting and bus recommendation algorithm.
1st Prize (Mayor of Seoul Award)
Community-linked Class Project Fair
2020.08 • Seoul Campus Town
- Developed an NFC-based prototype system to signal bus boarding intention.
- Proposed the idea to Seoul city council to prevent non-stopping buses.
4th Prize
Algorithm Challenge Coding Competition
2017.12 • Sejong University
- C language-based algorithm problem solving contest.
PROJECTS

DNA - Daily National Assembly
An AI service that recommends and summarizes Korean National Assembly records.

A-yo-image
Generative model that creates motion sprites with multiple frames from a single image.

MSG: My Study Guide
A Chrome extension that enhances efficiency and focus in web browsing experiences.

Binary Classification of Insurance Cross-Selling
Kaggle 2024.07 Playground competition

Seafood Price Prediction
Self-hosted Kaggle competition

FinDit
An app that helps find clothes in videos.

Fundamentals of Sound and Audio Processing
A program that converts and recognizes sound and audio based on AI.

Korean-NLP-Visual
An open-source library for visualizing Korean NLP models.

SHP: Stop Here Please
A service that communicates the intention to board a bus using NFC sensors.
PUBLICATIONS
2023 • ASCPT (American Society for Clinical Pharmacology & Therapeutics)
Analysis of Ticagrelor and Prasugrel Correlation with CYP2C19 Genetic Variants as Alternative Drugs for Clopidogrel
Atlanta, GA, United States
View Publication