Chiyul Works

DATA & INSIGHT

What I Build

💻

Web & App Development

Full-stack web applications and mobile apps built with modern frameworks

📊

Data Analysis

Data pipelines, ETL systems, and analytics dashboards for business insights

⚡

Automation & Integration

Workflow automation and API integrations to streamline operations

Featured Projects

📱

DreamGolf

Golf round tracking mobile app

Mobile app for tracking golf rounds with real-time scoring, stat tracking, and social features for golfers

Featured Projects

☕

Café Management System

Full-stack POS & inventory system

Complete management system for café operations with real-time inventory, sales analytics, and staff management

Featured Projects

🚗

Tesla Driving Dashboard

Real-time vehicle data visualization

Dashboard for tracking Tesla driving metrics, battery optimization, and trip analytics with beautiful visualizations

Featured Projects

👶

Daycare Activity Log

Parent-teacher communication app

Mobile app for daycare activity tracking, parent updates, photo sharing, and real-time notifications

Featured Projects

📊

Insight Life App

Personal data tracking platform

Comprehensive app for tracking personal metrics, habits, goals, and life insights with data visualization

Every product comes with data. Every data comes with insight.

I don't just build apps — I build the systems and dashboards behind them.

Behind every product is a data model, an ETL flow, and a dashboard that explains what's happening.

📊

Real-time Tracking & KPIs

Live dashboards that show what's happening now

⚙️

BigQuery Pipelines + ETL

Automated data flows and scheduled processing

💡

Interactive Dashboards

Data visualization for decision-making

📈

Let's build something together.

contact@chiyul.com

GitHub·LinkedIn