• Applied Object Oriented concepts (inheritance, composition, interface, etc) and design patterns (singleton, strategy...Etc).• Performed various Validation Controls for form validation and implemented custom validation controls with JavaScript and with AngularJS using custom directives. • Responsible for designing and reviewing web services WSDL, their structure, data types and operations with Application architect team.

• Involved in developing new application functionality to support new business process.• Developed Server-side functionality /business components using EJB Beans.• Maintained Kafka Cluster by created Topics. Partitions for point to point messaging. • Consumed Azure Active Directory & Azure Gateway• Managed configuration of Kafka Cluster, Brokers, Topics, used Kafka Consumer, Producer, Streams API.• Worked with SOAP to implement new Web Services that is required for the application.• Virtualize the servers using Docker for the test environments and dev-environments needs, also configuration automation using Docker containers. • Experience in creating Docker Containers leveraging existing Linux Containers and AMI's in addition to creating Docker Containers from scratch• Developed Java API to interact with the Amazon SQS used in sending bulk emails

• Developed the Application using Spring MVC Framework by implementing Controller, Service classes.• Involved in the development of JSPs and Servlets for different User Interfaces.• Used AJAX for high intensive user operations.• Implemented the web services to access the order management applications at different geographical locations. Utilized JAXM to send the SOAP based messages to the service.• Developed JavaBeans and mapping files for Hibernate Object Relation Mapping for data persistence & storage.• Resolve application problems, support end-users, and manage the processes of reporting, diagnosing, and troubleshooting.• Build and manage relationship with business, development, change management, IT Operations, and project managers to resolve time critical issues and troubles.• Created Session and Entity Beans in the application using Container Managed Transactions to take advantage of declarative Transactions.• Involved in the requirement

• Analyzing the back end databases and creating a data model to map the business requirement.• Used core Java, Collections API, generics, and JDBC.• Analyzing and understanding the requirements, building functional documents, planning and estimating tasks and implementation of the tasks on time.• Used J2EE specifications to design the systems and Spring MVC architecture.• Used Data Access Object (DAO) pattern to introduce an abstraction layer between the business logic tier (Business object) and the persistent storage tier (data source)• JSR303 validator was used for validation and designed the front-end using HTML, JavaScript, CSS, and JSP Pages. • Under J2EE architecture used JSP, Spring, Spring security to develop the application• Used JNDI to make the connection with Oracle database.• Developed and deployed the application on Web Sphere Application server.• Used Harvest (CA SCM) for version controlling and Rational ClearQuest for tracking errors & bugs in the project source code.