Tapan P.

• 10.4 years of experience in developing and managing large-scale, Object-Oriented n-tier Scalable, high-performance distributed systems and web applications. • Strong knowledge in Investment Banking, Trading, Corporate banking and Personal banking domain. • Strong design and development experience in Java/J2EE technologies. • Involved extensively in using Model-View-Controller (MVC) based architectures in spring and Struts2 framework, Front Controller based architecture in Struts 1.x. • Aggressively used WebServices, SOAP, JAX – RPC, WSDL. • Strong Experience in database interaction using PL/SQL to write Stored Procedures, Functions, Triggers and strong experience in writing complex queries, using Oracle. • Strong experience in database modeling using Hibernate and iBATIS. • Extensive hands on working experience on spring framework, Hibernate and iBATIS along with Database Transaction management using global XA data sources through Spring Transactions and Java Transaction API (JTA). • Strong experience in application servers like Websphere, Weblogic and Glassfish. • Good experience with EJB 2.0 (Stateless, Stateful and Message Driven MDBs) and good knowledge of annotation based EJB 3.0 • Expert in using Java IDE’s like WSAD, Eclipse and RAD. • Extensive hands on experience in TDD (Test Driven Development) environment using JUnit 4, HP Load Runner and Tomcat/JProbe profilers. • Experience in Unix/Linux based environment for scheduling various batch jobs (using Cronjobs and Quartz Job Scheduling framework). • Strong work experience in Web based application development, Middleware programming, Database programming, distributed computing, Server side programming and Client Server computing in n-tier software systems. • Good experience developing and consuming web services using Apache and Spring Web Services using Java Messaging Services (JMS) APIs. • Strong exposure to XML based development using Java API for XML Parsing (JAXP), Java API for XML Binding (JAXB), DOM and SAX based parsing implementations and XPATH based traversing mechanism. • Extensively used Hibernate for all of the database persistence and moved the entire legacy EJB based persistence to Hibernate. • Experienced in end to end design and development of applications using MVC framework Spring 3.x/2.5, Hibernate 3.x and Struts2.x. • Worked on caching frameworks – EhCache for performance optimizations. Strong experience with high transactional, low latency data transactions. • Worked extensively on the security aspects of Web based applications related to Cross Browser Scripting and CRLF injections. • Hands on experience with App scan testing tool to identify the security flaws