• Upgraded the backend from Java 8 to Java 21, utilizing Spring Boot for modernarchitecture and enhancing performance by 25%.• Developed new user-friendly front-end screens using Angular, Angular Material, andRxJS, resulting in a 100% increase in user engagement.• Successfully integrated a payment gateway API using Spring Boot, enabling secureonline transactions and streamlining the checkout process.• identified and resolved unnecessary requests on the backend and fixed memory leakissues.• Implemented clean code practices and unit testing to ensure code maintainability andfacilitate future development.

During my experience as a storekeeper, I played a crucial role in efficient materials management. My responsibilities included the strict control of product inputs and outputs, using Excel spreadsheets to track customer orders and identify potential material shortages. Additionally, I developed a Python application for inventory control, providing real-time information on the quantity of available items.