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Intro · 01 / 04

PORTFOLIO / SELECTED WORK

Proven planning skills. Turning ideas into reality.

A record of my projects, my roles, the challenges I considered, and the outcomes.

GitHub
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01 / SELECTED WORK

Selected work

02 / ARCHIVE

Archive

Things built, explored, and contributed.

WhatsNext — Character ChatAn AI character chat service built around AI personasNext.js / TypeScriptSoAI — Pediatric Diagnostic ToolClient-side visualization of DICOM dataTypeScript / Next.jsFreeWaitingA waitlist service for storesNest.js / TypeScriptWhatsNext — RelayToonA collaborative comic platform powered by generative AI and user votingNext.js / TypeScript

03 / EXPERIENCE

Experience & approach

The work behind me. The way I approach what comes next.

Jul 2026 – Expected completion in Nov 2026

Bibliographic Authority Control System Development

Node.js backend development

  • Define data schemas compatible with MARC (ISO 2709).
  • Develop a MARC conversion library.
  • Develop backend APIs for the system.

Oct 2025 – May 2026

L — Integrated Library Services App Development

Backend development

  • Developed the backend using MongoDB.
  • Designed a unified interface for APIs hosted on institutional servers.
  • Designed data schemas for home screen customization.
  • Built a logging and monitoring pipeline using Elasticsearch.

Jul 2025 – Aug 2025

Human IT — Advanced AI Training

AI development training

  • Studied Python fundamentals and developed applications with Flask and FastAPI.
  • Trained machine learning models with scikit-learn and built prototypes using them.
  • Trained deep learning models with TensorFlow and built prototypes using them.
  • Developed LLM applications using Transformers and LangChain.

Apr 2025

AI Seoul Hackathon — Hosted by AWS and Minerva University

Team lead, backend developer

Won an award in the LikeLion category.

  • Planned a project to help developers write personal statements using data from public GitHub repositories.
  • Implemented a service to retrieve users’ GitHub data.
  • Built a proof of concept for AI-assisted personal statement writing.