PROFESSIONAL SUMMARY:

• Over 8 years of software development experience in object oriented programming, design and development of Multi - Tier distributed, Enterprise applications using Java and JEE technologies.
• Strong JEE/Java application development background, with experience in defining functional and technical specifications.
• Extensive knowledge in working with JEE technologies such as Servlets, JSP, JDBC, EJB, JNDI, Java Beans, JMS and Object Oriented Programming.
• Experience in working on Linux environment and writing Unix shell scripts.
• Experience in various Agile methodologies like Test Driven Development (TDD) and SCRUM
• Intensive knowledge in databases like Oracle, SQL Server, PL/SQL, Queries, Triggers, DB2 Client, O/R Mapping, Hibernate, and JPA.
• Experience in client side designing and validations using HTML, DHTML, CSS, Java Script, AJAX and JSP.
• Expertise in various open source frameworks like Struts, Spring, JSF, and ORM Technology like Hibernate 3.0.
• Experience in working with multiple Servers like IBM Web Sphere, Web Logic, JBoss and Apache Tomcat.
• Extensive development experience on different IDE’s like Eclipse, MyEclipse, NetBeans, Web Logic Workshop
• Experience in XML related technologies like JAXP, JAXB, XML, XSL, XSD, XPATH, DTD, and XML Schemas.
• Experience working with distributed systems and enhancing the performance of the applications.
• Experience in working with applications from scratch and designing architecture of the applications.
• Experience in developing Stored Procedures, Functions and Triggers using Oracle PL/SQL and DB2
• Experience in using DOM and SAX parsers to process, validate, parse and extract data from XML files.
• Experience in Web Services Technologies like SOAP, WSDL, UDDI, JMS and Service Oriented Architecture (SOA).
• Expertise in various components in Spring IOC, AOP and MVC (Model View Controller) architecture.
• Experienced in using Log4j and good expertise in Ant tool and Maven tool.
• Good experience on Design Patterns (J2EE) like Singleton, Abstract Factory, DAO, Session Facade, Front Controller, and Delegate Pattern.
• Extensive experience in implementation of the version control software Git, VSS, CVS and Clear Case.
• Assisted in Developing testing plans and procedures for unit test, system test, and acceptance test.

TECHNICAL SKILLS:

Languages: Java 1.4/5/6/7/8, SQL and PL/SQL, UML, XML, XSL, XSLT, C, C++

JEE Technologies: JDBC 2.1/3.0, Servlets, JSP, JSF, JNDI, JMS, JUnit, Java Mail API, RMI, JAXB, JAXP, REST.

Frameworks: Struts 1.x, Spring 1.x/2.x/3.x/4.x, MVC architecture, JSF 1.x/2.x, EJB 2.x/3.x

Persistence layer: Hibernate 2/3.1, JPA

IDEs/tools: Eclipse, MyEclipse, Net-Beans, JBoss, WSAD/RAD, IBM Rational Software Architect (RSA).

Design Modeling: OOA/OOD, AOP, UML

Web Tools: AJAX, CSS, JavaScript, Flex, XML, HTML, XHTML, DHTML, SOAP, WSDL, JSON.

Version Control: Git, VSS, CVS, Subversion, Clear Case.

Database: Oracle10g/9i, DB2, Sybase, Microsoft Access, and MySQL, Mongo, Cassandra

Documentation Tools: MS Office 2003/2007/2010, Visio, MS Project, MS SharePoint

Web/Application Servers: IBM Web Sphere, Web Logic, Apache Tomcat.

Methodologies: Agile, SCRUM, TDD, Waterfall

Operating Systems: Windows (Major), Linux

Others: ANT, IVY, Maven, Rational Rose, UMLet, Log4J, JUnit, DbUnit

PROFESSIONAL EXPERIENCE:

Confidential, Petersburg, FL

Responsibilities:

• Worked in Agile methodology for the project development.
• Developed RESTful APIs using Spring Boot (Spring MVC) for faster development without much fuss of container configuration.
• Created Swagger documents as specs for defining the REST APIs.
• Created micro-services with Kafka as message broker for interaction between micro-services asynchronously.
• Used Mongo DB, Cassandra as backend database.
• Wrote Spark jobs for inbound and outbound file batch processing, and also for loading the data into the database.
• Used Drools rule engine for implementing the business rules.
• Used Git-Hub enterprise as the source code repository.
• Created Docker files for building the Docker images and running the applications inside Docker containers.
• Used Consul for all key value pair as well as service registry
• Experience working with AWS (Amazon Web Services), working with EC2, RDS, S3, Cloud Formation Templates.
• Installing, configuring Cassandra on AWS platform.
• Created Jenkins jobs for building application, continuous integration and jar uploading on Nexus repository.
• Automated test cases using the Cucumber software tool.
• Used tools like Spring STS, RubyMine, Kafka Tool, SOAP UI, and Eclemma Plugin for code coverage.
• Used Mockito and PowerMockito to mock the dependencies while writing Junit tests.

Environment: Java 8, Spring Boot, Spring MVC, Spring Integration, Apache spark, Docker, Consul, AWS cloud, Kafka, Mongo, Cassandra, Git.

Confidential, Warren, PA

Responsibilities:

• Actively participated in the complete Software development life cycle starting from design phase to the implementation phase.
• Used Spring Framework for IoC/dependency injection and lifecycle management of Java objects.
• Wrote several RESTful enterprise APIs using JAX-RS jersey, Spring, and deployed them in Tomcat.
• Implemented Object-relation mapping in the persistence layer using hibernate framework and JPA.
• Used Spring JDBC for writing the DAO layer.
• Developed Java classes using JDBC to perform data validation once the data is loaded into back office database from different data sources.
• Created JUnit test cases and implementation throughout application.

Environment: Java 1.7, ­­­JAX-RS 2.0, JAXB, Log4J, Maven2, JPA/Hibernate 3.0, SOAP, REST Web services, JMS, Spring2.5, Apache Tomcat, Oracle 11g, Eclipse 3.5, AJAX, Linux, Perforce.

Confidential, Sacramento, CA

Responsibilities:

• Implemented Different Design patterns like singleton, factory and J2EE design patterns like Business delegate, session facade, Value object and DAO design patterns.
• Used Spring Framework’s IOC Dependency Injection to inject Service Object using Service Locator Design Pattern into Action Classes.
• Used Struts tag libraries in the JSP pages.
• Technical support for all Guidewire suite Application in production.
• Involved in Guidewire Integration using web service (Soap).
• Converted legacy data into Guidewire system using XML.
• Developed a controller Servlet that dispatches request to appropriate Action Classes.
• Developed the application under J2EE Architecture using Spring, Struts, Hibernate, Servlets, Web logic and JSP.
• Used Java Persistence API (JPA) and Hibernate for performing the Database Transactions.
• Used join point and advice Spring AOP modules for cross cutting concerns and IOC for dependency injection.
• Designed extensive additions to existing Java Web Application utilizing Service Oriented Architecture (SOA) techniques.
• Extensively worked on Spring Bean wiring, Spring DAO and Spring AOP modules.
• Designed Graphical User Interface (GUI) for various WebPages using AJAX, HTML, CSS, JSF, JQuery and JavaScript.
• Implemented SOA architecture with web services using SOAP, WSDL, UDDI and XML.
• Identified and resolved programming issues, Servlets and EJB s performance tuning opportunities.
• Used JMS API for asynchronous communication by putting the messages in the Message queue.
• Consumed Web Services (WSDL, SOAP, UDDI) from third party for authorizing payments to/from customers.
• Involved in Developing Web Application with Full Software Development life Cycle (SDLC) from Design to Deployment using agile methodologies.
• Created detail design documents which has the UML Design diagrams, table information, object model etc which are required for the developer.
• MVC architecture is implemented by struts framework.
• Exposed Survey API to other applications in DOE using Apache Axis2.
• Page design and development are done using Oracle BPM.
• Involved in implementing JQuery for providing interactive user interfaces.
• Written Test cases using JUnit to validate the application flows in different scenarios in the standalone application.

Environment: JDK1.5, JSP, Servlet, EJB, Spring, JavaScript, Hibernate, JQuery, Struts, Design Patterns, HTML, CSS, JMS, XML, Eclipse, Apache, Oracle ECM, Struts, Webservice, SOAP, ILOG, Web2.0, Oracle BPM, JSF, WSDL, Apache CXF, Apache Axis2, Apache Tomcat Server, SOA, PL/SQL, Oracle10g, UML, Weblogic, Junit.

Confidential, Dallas, TX

Responsibilities:

• Involved in database modeling applying the normalization rules
• Developed Code using Struts framework, based on the MVC design pattern
• Developed the presentation layer using Struts Tag Libraries
• Developed the application with iterative methodology, recapturing the existing code and writing a new code for most of the modules
• Created POC for Spring Batch for running batch jobs.
• Worked on backend logic usring Servlets, EJB and JDBC.
• Developed page specific elements, handlers, web beans, view helper classes, JSP pages & fragments by using design patterns and java standards
• Developed business services using EJB’s and used SOAP API.
• Involved in debugging the product using JIRA Bug Tracking
• Deployed the application on to Websphere application server.
• Involved in developing the UI pages using HTML, CSS, JavaScript, JSON, jQuery and AJAX.
• Developed servlets for generating reports in PDF format.
• Implemented multiple high-performance MongoDB replica sets on EC2 with robust reliability.
• Implemented logging using log4j.
• Deployed the application in JBOSS Application Server.
• Developed Servlets and Worked extensively on My SQL.
• Worked with MySQL for SQLYog and Workbench.
• Written JQuery Validations for the User Front-ends.
• Maintenance of data in different Oracle Database and environments using TOAD.
• Worked on Hibernate object/relational mapping per database schema.
• Effective using in Clearcase and clearquest for version control and defect tracking.

Environment: Windows XP/2000, Java 1.3, J2EE, Struts 1.1, EJB 2.0, Servlets, Session Beans, Ant, JavaScript 1.3, JSPs, HTML, CSS, JQuery, JSON, Oracle 8i, Ajax, MongoDB, Soap, Toad, Eclipse 3.1, WebSphere Application Server 5.1, Weblogic, Apache CXF, MySQL, XSLT, JUnit, Log4j, Rational Clearcase, ClearQuest.

Confidential

Java Developer

Responsibilities:

• Used the light weight container of the Spring MVC Frame work to provide architectural flexibility for inversion of controller (IOC).
• Involved in the complete Software Development Life Cycle (SDLC) phases such as Requirement Analysis, Design and Implementation of the project.
• Used Spring Framework for dependency injection.
• Implemented and deployed several EJB (Session and Entity).
• The front end of the project is designed on MVC architecture using struts, Tiles frameworks .
• Involved in Configuring tiles-def.xml, web.xml and struts-config.xml according to the strut framework.
• Used LOG4J for error logging at the development box and used ANT for building the deployable EAR/WAR components.
• Used WebSphere Application Server for deploying various components of application.
• EJB’s were running under the hood of WebSphere container/server.
• Implemented Back office loan services and web applications using Session Façade, Service Locator, Data Access Objects, Business Delegate, MVC, Front Controller and Data Transfer Object design patterns .
• Created DB2 SQL Procedures, Functions & Stored Procedures, Nested Tables, Cursors, DB2 Packages, Reports & SQL Functions for Reports.
• Developed the application using RAD model.
• Worked with VSS Version control to create virtual library of computer files.

Environment: Java1.5, JSP2.0, Servlets2.4, EJB2.0, Struts1.2, Spring 2.0.3, JDBC3.0, Design patterns, Html, XML, CSS, Log4j, Ant, Web services, RAD6.0, IBM WebSphere server6.1, IBM DB29.0, VSS. EJB, Eclipse, Ant, Linux.