1. Built out the data-mart using hybrid data system(RDBS,Hadoop, Spark) and reporting infrastructure from the ground up using SQL, Pyspark, and Power-Bi to provide real-time business KPIs.2. Designed and implemented A/B experiments using Google-Analytics for Jobkorea Search Product to improve the job-apply-conversion rate by 10%.3. Designed and implemented A/B experiments using Google-Analytics for Albamon Search Product to improve the job-apply-conversion rate by 8%.4. Built data visualizations report using Power-Bi for C-Level-KPIs that reduced manual reporting by 10 hours weekly.5. Currently, working on received, cleaned, and prepped data using Pyspark, SQL, and python to help build machine learning-prediction model to improve company sales.

-- Hyundai Automobile Data Analysis Project -- PM/PL Managed data analysis consulting 4-person team to perform various quantitative analysis of automobile data (Customer Clustering, Point of Interest analysis, Geo-spatial analysis, BI-Dashboard).

1. Develop & Implement Various Image Segmentation Model to extract fashion attributes from images.2. Responsible for collecting fashion image data and tagging process (data quality control).3. Designed and devleop a Recycling AI object detection model to automate recyling process (poc)