· Participated in a digital transformation project for Epson, leveraging the SAP Business Technology Platform to migrate their traditional ERP system to the S/4HANA Cloud.· Collaborated closely with Epson's team to understand requirements and develop a manual for consistent development practices.· Developed and maintained Java-based middleware components with the team, enabling efficient communication and security between the cloud and clients.· Drafted comprehensive test plans and designed test cases to validate the components' functionality, reliability and quality.· Utilizing debug tools such as SAP Cockpit and Postman to verify the performance to secure seamless integration with other applications.· Documented test results using SAP Solution Manager Test Suite, reported defects and collaborated with the development team to resolve issues and deliver high-quality software.