Experienced in using Spring Data JPA with Hibernate to integration MySQL, or SQL Server into back-end web applications and performing CRUD and aggregation operations on a database. Proficiency in developing web services (Soap, Restful) that include several components like SOAP, WSDL, XML, XSD, Axis2, JAXB, JAX-RS and JAX-WS. Experience in Agile software development process, Test Driven Development and Scrum methodologies. Designed and developed data ingestion from Kafka using spark batches and spark streaming. Implementation of budget logic and PostgreSQL database functions and interface into third party financial data services. Extensive experience in UML Modeling diagrams developing Such as Use Case diagrams, Class diagrams and Sequence diagrams. Well versed with J2EE Design Patterns like DAO, Service Locator, Value Object, Business Delegate Pattern, Front Controller Pattern, Singleton, MVC, Session facade etc. Proficient experience of using databases such as MySQL, DB2, Oracle 11g, PL/SQL, Oracle 9i, Mongo DB.