Spearheading the architecture and development of enterprise-grade web applications replicating Oracle EBS functionalities for supply chain management, facilitating sales and business operations related to orders, quotes, and backlogs. Delivering complex UI modules leveraging ExtJS, Java/J2EE, Spring, JSP, Servlets, JavaScript, and integrated seamlessly with Oracle EBS back-end services. Developing reusable UI components to improve usability and performance. Playing a pivotal role in requirement analysis, design discussions, and technical specification development. Enhancing and maintaining application modules using a broad technology stack including Java/J2EE, JSP, Servlets, ExtJS, jQuery, AngularJS, Angular, ReactJS, React Native, Node.js, GraphQL, Kafka, Redux, KendoUI, JMS, and Solr. Optimizing exception handling, logging frameworks, and system performance. Coordinating with QA and business stakeholders during SIT and UAT. Establishing and enforcing quality processes and best practices. Contributing to the ongoing evolution and scaling of the application driven by business needs and technology trends.