•Implemented service provided by Salesforce for our clients to help boost customer sales •Customized statistical charts and diagrams by using Excel to achieve further business insights (Analyzed and evaluated how the retailing business in Taiwan performed since the COVID have broken out by pivot analysis, calculating MoM, YoY) •Investigated the suitable functions of Salesforce for our clients and built sample data to demonstrate the feasibility of the functions (sales forecasting, interactive comparison chart) •Dived deep into customer needs and developed user acceptance test with business logic (productivity increased 200%, testing scenarios completed in 1 day increased from 5 to 10)