projects

Selected work

Q1 2026securityML

SURF — AI secure-DNS

Real-time secure-DNS that blocks malicious and DGA domains with an AI model: a hybrid-Transformer detector with TLD-aware multi-task learning, an Unbound-based DNS filter with Redis caching and Prometheus metrics, a Flask reporting server, and a browser extension. Productized from the DRIFT research.

GitHub
Q3 2025devautomation

Crawler alert bot

A web-crawling bot that monitors pages for new or changed content and pushes Slack notifications. Built during Snorose and operated on AWS.

Q2 2025AWSML🏆 Grand Prize

Smart-factory energy forecasting & dashboard

Team lead (4 members) · Grand Prize (1st place). Forecasts power use, electricity cost, and carbon emissions from hourly factory sensor data, flags anomalies, and visualizes them in a Streamlit web app. Built end-to-end on AWS SageMaker (cloud EDA, anomaly-detection logic, model training, inference, and deployment), with a design that extends to real-time IoT data streams. Part of the AINATION-run AWS certification & data-analytics program (IITP / MSIT; Sookmyung SW-centric university program).

Q1 2025infradevops

Snorose infrastructure

Built and operated the cloud infrastructure for the Snorose organization: servers, databases, and credential and access management.

Q4 2024hackathonbackend🏆 Grand Prize

ReadIT — DACOS × SOLUX hackathon

Grand Prize at the 2024 DACOS & SOLUX joint hackathon. ReadIT summarizes IT news for your target job role: AI article summarization, IT-trend word clouds, personalized recommendations, mind-map scrapbooking with highlights and memos, and daily Naver IT-news crawling. Built the backend (Spring Boot / Java, AWS S3 + RDS MySQL, Docker / Jenkins / EC2).

Q3 2024devbackend

Gift Moment

SOLUX club project (LuckyNode). A birthday gift-funding and letter-archiving platform: wishlist management, letter writing, KakaoPay-based gifting, and account transfers. Built the backend (Node.js / Express, AWS RDS, EC2).

Q3 2024SW·HWweb

LineSong

MEIT team project. A SW/HW convergence system that uses a web app with fixed and mobile robots to ease on-campus sharing events and waiting-line order. Built the web/server side (Node.js).

Q1 2024AIaccessibility

empAthI · Accesight

A web-accessibility service for the visually impaired that augments screen readers by analyzing HTML and page imagery to describe a site's layout, and enables hands-free web control via camera and microphone (gesture and voice).

Q1 2024devJava

Univ-Study-Manager

A team-built academic management app: course and assignment databases surface today's classes and upcoming tasks, compute semester GPA with achievement-trend statistics, sync via the Google Calendar API, and use an NLP API for learn-by-explaining.

Q1 2024AIweb

InnoVel

SOLUX 2024 dev project. An AI writing aid for aspiring web-novel authors: choose a genre, theme, or plot and it recommends story plots (OpenAI GPT-3.5) so beginners can create and share novels. Built the backend (Spring Boot / Java, MySQL / RDS).

Q1 2024MLdata

E-commerce customer segmentation

DACON e-commerce customer-segmentation idea competition: RFM and cohort analysis to surface customer-behavior insights.

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