# Shin DongEun (신동은)

> AX Developer · Data Architecture — An AX developer who spots small customer pain points, quickly applies the right technology, and turns it into results that actually work

I'm Shin DongEun, an AX Developer who spots small inconveniences, quickly applies the right technology and turns it into results that actually work.

## Projects

- [Overdue BTS Ticket Alert Automation](en/projects/sla-overdue-alert.html): An Airflow pipeline that groups unresolved BTS tickets past their SLA by assignee and alerts them on Slack every morning (2026.09; Python, Airflow, JIRA REST API, Trino, Slack API, pytest)
- [Disaster Map Service](en/projects/disaster-map.html): A map that shows disaster alerts, CCTV, news and delivery status on one screen (2026.08 ~ 2026.09; Python, Folium, Google Apps Script, Slack API)
- [OnePiece Knowledge Base & Answer Viewer](en/projects/knowledge-base.html): Policies and operating logic scattered across wikis, structured into a knowledge base for both people and MCP (2026.07 ~ 2026.08; MCP, Markdown, HTML, GitHub Issues)
- [OnePiece Mission Validation & SOP Rule Engine](en/projects/sop-rule-engine.html): Natural-language operating SOPs formalized into thresholds and AND/OR conditions in a Python rule engine (2026.06 ~ 2026.07; Python, SQL, Pydantic, Mermaid)
- [CSAM Spend Aggregation & Reply Drafts](en/projects/csam-amount.html): A pipeline that aggregates spend per requested period and drafts a reply for agents to review (2026.06; Python, Zendesk API, Trino/Hive, Google Sheets, SQLite)
- [Weather Decision System & BW Caster](en/projects/weather-caster.html): An automation that cut bad-weather calls and notice images from 4 hours a day for 7 people to under a minute (2026.04 ~ 2026.05; Python, KMA API, Windy API, ApiFlash, Google Drive API)
- [Customer Email Reply Automation](en/projects/email-automation.html): A system that collects, classifies and answers customer appeal emails — cutting working time in half (2026.03 ~ 2026.05; Python, Zendesk API, Slack API, SQLite, Rule Engine)
- [BW Toggle LLM Decision Validation](en/projects/bw-toggle-llm.html): A quantitative experiment on whether an LLM can replace fixed-threshold bad-weather decisions (2026.03; Python, LLM, Pydantic)
- [CX Real-time Uploader & Ops Dashboard](en/projects/cx-uploader.html): Operational reporting re-architected from one monolithic script into Airflow DAGs (2026.02; Python, Airflow, Selenium, Slack API, Superset)
- [CP-TO Watchdog Leading Indicator](en/projects/cpto-watchdog.html): A leading indicator and alert pipeline that catches operational issues before the lagging backlog does (2026.01 ~ 2026.02; Python, Grafana, Google Sheets, SQLite)
- [Vessel Emission Dataset Design](en/projects/vessel-dataset.html): Designed and proposed how to collect training data for a shipping emissions and route-planning AI (2025.05; Python, Data Design, Public Data, AIS)
- [Problem Recommendation System Upgrade](en/projects/problem-recommend.html): Reverse-engineered an undocumented legacy PHP recommendation system and rebuilt its data structure and logic (2025.03 ~ 2025.06; Python, MySQL, PHP, Git, Notion)
- [Integrated Apparel Store Management System](en/projects/winning-solution.html): WinningSolution — a platform that turns inefficient store operations into data-driven automation (2025.11 ~ 2025.12; Python, MySQL, FastAPI, Docker, Jenkins, ETL, K-Means)
- [Black Ice Risk Prediction Service](en/projects/black-ice.html): Predicts black ice risk for each district in Busan from weather data and serves it on a live map (2025.10 ~ 2025.12; Python, FastAPI, Spring Boot, MariaDB, RandomForest, React, Leaflet)
- [Fridge Raider, an Ingredient-Based Recipe App](en/projects/fridge-recipe.html): A mobile app that recognizes ingredients in your fridge and recommends recipes (2025.10 ~ 2025.11; Python, Selenium, BeautifulSoup, YOLOv7, FastAPI, Flutter)
- [Company Recommendation Chatbot](en/projects/job-is.html): JOB-IS — a RAG-based company recommendation chatbot tackling regional job mismatch (2025.04 ~ 2025.08; Python, LangChain, RAG, FAISS, SBERT, GPT-4o, Streamlit)
- [Missing Person Alert Improvement Study](en/projects/missing-alert.html): A capstone study that tested wording, layout and content of missing-person alerts through surveys (2025.03 ~ 2025.06; Python, Survey Analysis, Kakao Map API, Stable Diffusion, IP-Adapter, InsightFace)
- [BOVO, an Insurance Terminology App](en/projects/bovo.html): A Flutter app that helps young professionals learn the terms used in insurance policies (2024.10; Flutter, Dart, Figma, Web Crawling)
- [Busan Apartment Price Prediction](en/projects/real-estate.html): A desktop program that predicts apartment prices in Busan and maps prices and volume by district (2022.03 ~ 2022.06; Python, LightGBM, XGBoost, RandomForest, Optuna, Matplotlib, PyQt5, Folium)
- [AR Road-Marking Navigation App](en/projects/gil-navi.html): A navigation app that recognizes signals and lanes in the camera view and overlays the route in AR (2021.05 ~ 2021.11; Python, OpenCV, Unity, TensorFlow, Android NDK)
- [Portfolio on a Python Static Site Generator](en/projects/portfolio-site.html): This site: YAML content validated with Pydantic, rendered with Jinja2 and deployed with GitHub Actions (2026.09 ~ 2026.10; Python, Pydantic, Jinja2, pytest, GitHub Actions)
- [LOGOS, a Bible Reading Tracker](en/projects/logos.html): A web app that times each reading session and turns it into share cards and statistics (2026.09; React, TypeScript, Vite, Tailwind CSS, Supabase, Vercel)
- [CareerBot, a Job Search RPA](en/projects/careerbot.html): A Python RPA that collects job postings, scores them against my resume and drafts cover letters (2025.12; Python, Playwright, Selenium, TF-IDF, SQLite, Notion API)

## Career

- [Coupang Eats Service — Business Automation Associate](en/career/coupang-eats.html) (2026.01 ~ Present): Internal process automation, end-to-end service building, operations and optimization
  - Overdue BTS Ticket Alert Automation: An Airflow pipeline that groups unresolved BTS tickets past their SLA by assignee and alerts them on Slack every morning
  - Abuser Appeal Email Automation: Automated appeal-email handling end to end — customer lookup, classification, template matching and reply
  - CSAM Spend Aggregation & Reply Drafts: Aggregates spend per requested period and drafts a reply for agents to review
  - Weather Decision System & BW Caster: Bad-weather calls and notice images that took 7 people 4 hours a day — now one click
  - BW Toggle LLM Decision Validation: A quantitative experiment on whether an LLM can replace fixed-threshold bad-weather decisions
  - CP-TO Watchdog Leading Indicator: A leading indicator and alert pipeline that catches operational issues before the lagging backlog does
  - CX Real-time Uploader & Ops Dashboard: Re-architected a monolithic fetch · render · send script into Airflow DAGs
  - OnePiece Mission Validation & SOP Rule Engine: Formalized natural-language SOPs into thresholds and AND/OR conditions in one Python rule engine
  - OnePiece Knowledge Base & Answer Viewer: Policies scattered across wikis, structured into a knowledge base for both people and MCP
  - Disaster Map Service: A map that shows disaster alerts, CCTV, news and delivery status on one screen
- [DataEdu — Development Division Intern](en/career/dataedu.html) (2025.03 ~ 2025.06): Legacy CBT service analysis, backend refactoring, data structure cleanup
  - Legacy CBT Service Restructuring: Turned 90+ tables and tightly coupled code into a modular, maintainable backend

## Data

- [portfolio.json](en/api/portfolio.json)