Data Engineer & Analyst
대한민국
- Worked as a employee- Worked as a skilled industry personnel (Dec.2020~Nov.2022)Responsible for:- Utilized product data analysis and visualization using Python and SQL to derive data-driven insights for formulating hypotheses for problem-solving and achievement-goal.- Built and operated Airflow data pipelines, data warehouses(DW), data lakes(DL), and data marts(DM) within cloud environments (AWS, GCP) for efficient data management.- Designed database and data warehouse structure(MySQL & BigQuery) and implemented event-based data modeling to optimize data organization.- Developed a machine learning-based cohort liner function prediction model using linear/segmented regression to improve user matching processes.- Managed a data visualization server and AWS-based data platform to enhance data accessibility and utilization across the organization.