• Participated in developing a digital biomarker delivery system for VivoSense, integrating cutting-edge wearable sensor technology to drive FDA approval in clinical trials. • Contributed to a transformative feature for TUI, the world's leading tourism group, enhancing customer experience and operational efficiency using Java 17, Spring Boot, and AWS microservices. • Managed the migration of SME (StockMarketEye)'s deployment process, significantly improving version control and application stability through expert use of Java 11, Spring Boot, and Maven. • Developed a secure, efficient client-portal application, optimizing integration and security setup from scratch, and significantly enhancing user data handling and system reliability. • Contributed to the development of Datasport Application, a comprehensive sports event management system, leading to a streamlined, more efficient organization and management of major sporting events.