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.

Josh profile

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

Python
C
SQL
PyTorch
TensorFlow
scikit-learn
Docker
LLM / OpenAI
GCP
Git
Linux
Next.js
Tailwind CSS

Certification

Google Cloud Certified: Professional Machine Learning Engineer

Learn More

OPIc – Advanced Low(AL)

Learn More

AWARDS

1st Prize

ICT Innovation Square BigTech Hackathon

2024.12 • KSTA

ICT Innovation Square BigTech Hackathon
  • 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)

Google-NIPA Joint AI Project
  • 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

AI Challenge Coding Competition
  • 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

Startup Idea Competition
  • 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

Community-linked Class Project Fair
  • 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

DNA - Daily National Assembly

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

A-yo-image

A-yo-image

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

MSG: My Study Guide

MSG: My Study Guide

A Chrome extension that enhances efficiency and focus in web browsing experiences.

Binary Classification of Insurance Cross-Selling

Binary Classification of Insurance Cross-Selling

Kaggle 2024.07 Playground competition

Seafood Price Prediction

Seafood Price Prediction

Self-hosted Kaggle competition

FinDit

FinDit

An app that helps find clothes in videos.

Fundamentals of Sound and Audio Processing

Fundamentals of Sound and Audio Processing

A program that converts and recognizes sound and audio based on AI.

Korean-NLP-Visual

Korean-NLP-Visual

An open-source library for visualizing Korean NLP models.

SHP: Stop Here Please

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

FIND ME HERE

COFFEE CHAT

There are so many things to learn and experience in this world. If you have any questions, please feel free to contact me anytime.

Schedule a time that works for you, and the meeting link will be generated.