Led the design, development, and deployment of enterprise-scale applications using Java, Spring Boot, and Microservices architecture. Built and integrated RESTful APIs and cloud-native solutions on AWS/Azure, ensuring scalability, high availability, and performance optimization. Delivered full-stack solutions by developing responsive UIs with Angular/React, JavaScript (ES6 ), HTML5, and CSS3. Managed database design, optimization, and performance tuning across Oracle, MySQL, PostgreSQL, and MongoDB. Ensured application security and compliance through Spring Security, OAuth2, JWT, and best coding practices. Mentored junior developers, conducted code reviews, and collaborated with cross-functional teams in Agile/Scrum environments to deliver projects on time.