[Shanghai Commercial & Savings Bank Agency Bussiness Middle Platform] 1. Design a system for facilitating collections and payments on behalf of a third party and auto clearing(ACH). 2. Implemented data migration from the IBS mainframe to the platform with the Spring boot framework. 3. Implementing Redis caching in search queries has made responses 5X faster. 4. Responsible for communicating with customers and planning systems, including gathering requirements, designing APIs, and writing technical documentation. 5. Adopt a microservices architecture and use RabbitMQ for communication between modules. 6. Implemented a CI/CD pipeline with Jenkins, significantly streamlining the build process from 20 minutes to 10 seconds. 7. Implemented a control menu using a Linux shell script. [Administration System] 1. Implemented an Administration System using the Grails framework. 2. Integrated scheduled tasks efficiently with Quartz framework for task scheduling. 3. Implemented user interfaces for data maintenance and log search using JQuery, with Oracle Database utilized for storage.

[Japan Tobacco International Data Warehouse] 1. Utilized Java to convert sales data (Excel format) from six channels to CSV format. 2. Loaded data into the MSSQL database using Azure Data Factory. 3. Developed real-time sales analysis reports using Power BI, resulting in a time-saving equivalent to two full-time staff members who would otherwise be dedicated to creating reports manually in Excel. [Online Insurance] 1. Developed a system capable of handling insurance application forms using the Spring Boot framework. 2. Generated PDF documents containing client signatures and personal information using Java. 3. Designed PDF templates using Adobe Acrobat.