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Sr. Java/j2ee Developer Resume

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IL

SUMMARY:

  • 7+ Years of IT professional experience with full project development, implementation and deployment on Windows/Unix using JAVA/J2EE technology stack.
  • Worked on the development of client/server and web Applications using JAVA, J2EE, J2SE technologies and Web Technologies for enterprise applications.
  • Worked on developing enterprise web - based application based on Java technologies using J2EE, J2SE, EJB, Java Servlets, Struts, Java Beans, JMS, JNDI, ANT and Apache Maven .
  • Worked on various frameworks: Struts, Hibernate3.0, Spring, Spsringboot
  • Worked on JSP, Servlets, Java Script, and JDBC.
  • Expertise in developing GUI using Swing, HTML, DHTML, DOJO, Java Script, CSS, AngularJS, Bootstrap, JSF, XML, SOAP, REST, jQuery and AJAX scripting.
  • Experience in working with applications developed using Object Relational Mapping frameworks like Hibernate, MVC frameworks like Struts, JSF and IOC frameworks like spring and its subsidiary modules such as Spring JDBC, Spring IOC, Spring Security, and Spring AOP.
  • Experience in front end development using HTML 5, CSS 3, JavaScript, and jQuery, Ajax, JSON and JSTL.
  • Expertise in Developing End to End B2B and B2C application using JEE & J2EE technologies such as Servlets, JSP, EJB 3.x, JNDI, JPA, JTA, JMS, JDBC, JAXP, JAXB
  • Hands on experience in configuration and deployment of multi-tier applications using servers like WebSphere, Web Logic, and Tomcat.
  • Extensive experience to SOA (Service Oriented Architecture) and experience in developing Web services using Axis, WSDL, SOAP, UDDI, WS Security, XML-RPC and JAXB/JAXP.
  • Worked on frameworks like Spring 2.5/3.0 framework, Struts 1.0/1.1/2.x framework, O/R Mapping Hibernate 3.x framework and web services (SOAP and Restful).
  • Wrote complex SQL Queries, Stored Procedures and Triggers.
  • Worked on relational databases like ORACLE, POSTGRESQL and SQL Server.
  • Wrote complex Shell, ANT scripts for building the projects.
  • Good Working Knowledge of Maven for project build/test/deployment, Log4j for logging and JUnit for unit and integration testing.
  • Strong knowledge of IDE's like Eclipse, Net Beans, IBM Rational Application Developer (RAD 7.0.0), Web Sphere Studio Application Developer.
  • Worked in various application methodologies including Agile, waterfall model and rdm.
  • Excellent analytical and critical thinking, creative problem solving, quick learning, interpersonal and client interfacing skills.
  • Excellent team player with leadership abilities. Strong analytical skills with excellent interpersonal and communication skills with analytical ability and understanding of Organizational functioning.
  • Assisted project manager in defining project scope, time & effort estimates and deliverable management.

TECHNICAL SKILLS:

Languages: Java, J2EE, C, C++, COBOL, JCL

Technologies: HTML5, CSS3, XML, Java Script, jQuery, Ajax, AngularJS, Node JS, Bootstrap

Frameworks: Struts, Spring Core, Spring Boot, EJB, JUnit, Mockito

ORM Technology: Hibernate, IBattis

Web Services: Apache AXIS, SOAP, WSDL, XML, RESTAPI

Databases: Oracle, MySQL, SQL Server, DB2, MongoDB

Web/Application Server: Web logic, Tomcat, IBM WebSphere, Apache 2.2

IDE: Eclipse, NetBeans, IntelliJ

Tools: Tortoise SVN, GIT Hub, IBM Clear case, JIRA, Jenkins, Hudson

PROFESSIONAL EXPERIENCE:

Confidential, IL

Sr. Java/J2EE Developer

Responsibilities:

  • Resolved technical problems relating to API application by identification and fixing bugs.
  • Involved in Implementation and Unit testing of the product
  • Designed and developed the UI using Struts view component, JSP, HTML, CSS and JavaScript
  • Deployed the web components into the web Sphere application server.
  • Developed server-side services using Java7.0, Web Services (SOAP, WSDL)
  • Used Web services for transmission of large blocks of XML data over HTTP.
  • Wrote application front end with HTML, JSP, Ajax JQuery, Spring Web Flow, XHTML, DHTML and CSS
  • Hibernate is used as persistent at middle tire for providing object model over relational data model
  • Code Reviews, customization and maintenance of code across applications
  • Worked on SpringBoot to create RESTFUL webservices
  • Implemented Object-Relation Mapping in the Persistence layer using Hibernate framework in conjunction with SpringData, JPA Repository as persistence layer
  • Created a POC for Microservice Architecture using Spring boot, Eureka Service Registry and API gateways
  • Designing and Deploying enterprise-wide scalable operations on AWS
  • Implemented Rest based services using JAX-RS annotations, register services, configured security for Services using spring web security.
  • Creating environment for user-acceptance testing and facilitating Integration and User Acceptance Testing with JUNIT
  • Used JSON formate for REST API request and response to get data from backend.
  • Used collections at different scenario to send collection as Object
  • Attended Scrum calls and agile planning meetings.
  • Used Hibernate for Database object Mappping

Environment: Java7, Core Java, Eclipse 3.3, JSF, HTML,CSS,BootStrap, Oracle 10g, Spring 4.0 Hibernate 3.0, Ajax, XML, JBOSS6.0, Windows XP,RESTAPI, HTML, JSP 2.1, WSDL 2.0, SOAP 1.2, Log4j 1.3,d3.js, JUnit,, DB2, UML,IBM RAD, GIT, SPRINGBOOT, Tomcat,JPA, Microsevices, AWS.

Confidential, Hartford, CT

Java/J2EE Developer

Responsibilities:

  • Used OOAD for building applications
  • Worked on User Interactive pages using HTML5, CSS3, Javascript and JQuery.
  • Experience working on JSF for the front end development
  • Involved in gathering business requirements, analyzing the project and creating use Cases and Class Diagrams .
  • Interacted coordinated with the Design team, Business analyst and end users of the system.
  • Created sequence diagrams, collaboration diagrams, class diagrams, usecases and activity diagrams using Rational Rose for the Configuration, Cache & logging Services.
  • Designed and developed the project using MVC design pattern using SPRING Framework.
  • Enhanced an existing AngularJS application to follow strict MVC patterns for improved source code maintenance which resulted in 40% code reduction, ease of upgrade, scalability, ease of developer spin up and enhanced performance.
  • Used JSP, JavaScript, JSTL, EL, Custom Tag libraries, Tiles and Validations provided by struts framework.
  • Wrote authentication and authorizationclasses and manage it in the frontcontroller for all the users according to their entitlments.
  • Developed and deployed Session Beans and Entity Beans for database updates.
  • Used IBattis for decoupling the mappings from the application logic by packaging the SQL statements in XML configuration files.
  • Developed stored procedures and complex packages extensively using PL/SQL and shell programs.
  • Developed SOAP based Web Services for Integrating with the Enterprise Information System Tier.
  • Design and development of JAXB components for transfer objects.
  • Prepared EJB deployment descriptors using XML.
  • Involved in Configuration and Usage of Apache Log4J for logging and debugging purposes.
  • Wrote Action Classesto service the requests from the UI, populate business objects & invoke EJBs.
  • Used JAXP (DOM, XSLT), XSD for XML data generation and presentation
  • Wrote Junit test classes for the services and prepared documentation.

Environment: Java, SOA, JMS, Angular JS,JMX, IBM MQ Series, Node JS, Web Services, Axis, SOAPUI, Hibernate, JNDI, XML, XSD, JAXB, JAXP,JDBC, HTML, CSS, JavaScript, JSF, Bootstrap, Spring, Junit, JProfile, Ant, JPA, JTA, JDBC, Maven, PL/SQL Developer, DB2, Unix, Log4J, UML and Agile, IBM RAD.

Confidential, Bridgeport, CT

Java/J2EE Developer

Responsibilities:

  • Implemented SOA architecture using Enterprise Service Bus (ESB).
  • Developed user interfaces involving HTML, Javascript and CSS
  • Configured business applications in XML bean definition files using SPRING.
  • Worked on Hibernate ORM. Created Hibernate XML files and Java class files to map the object relation mappings. Used Hibernate query language.
  • Provided data persistence by object/relational mapping solution via Hibernate for application save, update, delete operations.
  • Worked on JPA for persisting the objects into the system.
  • Created services for various modules like Account (CD/Checking/Savings) Creation and Maintenance using SPRING.
  • Experienced in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters using JProfile 5.1.
  • Worked on Axis implementation and used SOAPUI to test the SOAP.
  • Worked on XML, XSD and XSLT to parse the request and create the new one based on the specification.
  • Developed generic Java packages to produce and consume JMS messages through topics and queues in asynchronous message processing with guaranteed delivery.
  • Used IBM MQSeries as the JMS provider.
  • Utilized Core J2EE design patterns such as Singleton and Data Access Object (DAO) in the implementation of the services.
  • Responsible for writing SQL Queries and Procedures using DB2.
  • Responsible for writing JUnit test cases and Peer level testing.
  • Improved database performance by recognizing and rewriting slow queries.
  • Build & Deployment in Websphere Application Server.
  • Solid deployment experience on the UNIX platform.
  • Created UML diagrams such as Class Diagrams and Sequence Diagrams using IBM Rational Rose.

Environment: Java 5,HTML, CSS, JAVASCIPT, SOA, JMS, JMX, IBM MQ Series 5.3, Web Services, Axis, SOAPUI, Hibernate, JNDI, XML, XSD, JAXB, JAXP, Spring, Junit, JProfile 5.1, Ant, JPA, JTA, JDBC 2.0, Maven, PL/SQL Developer, DB2, Unix, Log4J, UML and Agile.

Confidential

Java Developer

Responsibilities:

  • Played key role in the design for the implementation of this application.
  • Preparing the documentation for High Level design, Low Level design of the application and Process Flow of control for the entire application.
  • Designed the Web application implementing the Struts framework for Model-View - Controller (MVC) pattern to make it extensible and flexible
  • Implemented the architecture with Struts-Config, Action Form classes and Action classes.
  • Implemented the Consolidated applications front-end pages using JSP’s, JSTL, and Struts Tag Libraries.
  • Creation of REST Web Services for the management of data using Apache CXF.
  • Design, develop and test of SOA services using SOA and Oracle Fusion Middleware.
  • Developed the action classes to execute the business logic and action form's to collect the input data from the users using JAVA, DAO and DB2.
  • Developed the helper classes used by most of the components in this application.
  • Configured connection caches for JDBC connections.
  • Used extensive JavaScript for creating the Global templates that can be used across the JSP Pages
  • Developed code for generating the XML requests required for calling the web services.
  • Developed code for processing the web service response obtained in XML as a String after calling the web Services using SAX parser.
  • Used EJB for server side transactions.
  • Implemented EJBs Session beans for business logic.
  • Configured Logger, appended and layout using log4j.
  • Used Hibernate for Object Relational Mapping.
  • Used Ant 1.6.5 for building JARs and WAR.
  • Rational Clear Case was used as Source and version control for rebasing and delivering the code
  • Prepared Unit test cases as well performed Unit testing and Integration testing.

Environment: Servlet, JSP, Struts, EJB, Hibernate, LDAP, JNDI, HTML, XML, DOM, SAX, ANT, Weblogic Server 8.1, Oracle9i

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