• Java/J2EE Technologies: Expertise in Java, Spring, Struts, EJB, SOAP, REST, and JDBC for designing and developing enterprise-level web and client/server applications.• Front-End Development: Skilled in HTML5, CSS3, JavaScript, AngularJS, Node.js, Ajax, and Bootstrap for building responsive and dynamic web applications.• Cloud Platforms: Proficient in AWS, Microsoft Azure, VMware, and Spring Cloud for cloud services integration and application deployment.• Databases: Strong knowledge of Oracle, MySQL, PostgreSQL, MongoDB, and Cassandra with expertise in SQL, PL/SQL, and stored procedures for efficient database management.• Design Patterns: In-depth understanding of Java/J2EE Design Patterns like Singleton, Factory, DAO, and MVC for scalable software architecture.• Spring Framework: Hands-on experience with Spring for Dependency Injection, AOP, transaction management, and Hibernate for ORM.• Containerization: Skilled in Docker and Kubernetes for managing application deployment and development consistency across environments.• CI/CD Tools: Extensive experience with Jenkins, GitLab CI, and GitHub Actions to streamline code integration and deployment workflows.• Testing and Debugging: Proficient in JUnit, TestNG, Selenium, Jasmine, and Mockito for unit and integration testing to ensure robust applications.• Version Control: Strong experience using GitHub, SVN, and CVS for managing source code and collaboration in large-scale projects.• PaaS: Experienced with GCP App Engine, AWS Elastic Beanstalk, and Kubernetes Engine for deploying scalable cloud applications.• Progressive Web Apps (PWA): Developed PWAs to ensure offline functionality, fast loading, and enhanced user engagement in web applications.• TypeScript: Leveraged TypeScript's static typing for building scalable, maintainable applications in large-scale projects.• Accessibility (a11y): Ensured web applications adhere to WCAG guidelines and ARIA standards for enhanced usability and accessibility.• Web Servers: Managed and configured Apache, Tomcat, WebLogic, JBoss, and IBM WebSphere for deploying and maintaining enterprise applications.• System Architecture: Designed multi-tier architectures with a focus on scalability, performance, and reliability in enterprise systems.• Operating Systems: Experienced in deploying applications on Unix, Linux, and Windows environments for seamless operations.