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

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