Data Analyst
Digital behavioral data analysis service development (Kyobo companies, Mar-July 2024)- Developed processes for cleansing integrated GA4 data from affiliates and validating data integrity, and also defined and calculated key metrics and constructed data marts- Prepared planning documents for service outputs with analysis and visualization examples, along with research on business applications of digital behavior data and cross-company shared customer analysisIndividual job fit analysis (a Kyobo company, Sep 2023-Jan 2024)- Developed high-performance employee prediction models for five primary job groups and generated profiles of high-performers for each job group by analyzing important features/factors- Measured employee fitness for each job pool through similarity analysis with high-performer profiles, and developed and deployed a person-job fit recommendation systemAnalysis of predictors influencing life insurance sales (Kyobo Life Insurance, Oct 2022-Feb 2023)- Performed causal inference and prediction modeling for 14 product categories- Analyzed predictors/factors that affect the sales of each product and derived insights for annual sales forecasting and optimal product portfolio predictionAlternative credit scoring for Buy Now, Pay Later (BNPL) services (D-Testbed, Oct-Dec 2022)- Developed an alternative credit scoring model tailored for BNPL services, utilizing information value statistics and advanced clustering techniques to categorize customers into 20 distinct personas based on personal credit, card consumption, and telecommunication data- Conducted comprehensive persona analysis to assess service demand, evaluate credit ratings, and enhance risk management strategiesGNN-based insurance fraud detection project support (KDK AI Center, Feb-Aug 2023)- Reviewed Python codes, detected code errors, and tested developed GNN modelsEconomic indicators dashboard development (DPLANEX, Aug-Sep 2022)- Leveraged AWS S3, Redshift, and Tableau