Professional Summary:

• Having 8 years of professional experience in developing web based, SOA based and client/server applications in multi-platform environments with Java/J2EE technologies, Involved in all the phases of Life Cycle of Software Development SDLC .
• Analysis, Design and Development of J2EE Business applications, Web-based and n-tier applications using the following core technologies - Java, Servlets, JSP, JSTL, and XML.
• Experience in developing web based J2EE applications using Struts/Spring frameworks.
• Extensive experience in Telecom Domain Specific Frameworks such as Concept wave.
• Good Experience in ATG Dynamo Framework as UI Application Developer.
• Worked extensively on building Rapid development Framework using Core Java and Jython,
• Extensive experience and actively involved in Requirement gathering, Analysis, Design, Reviews, Coding, Code Reviews, Unit and Integration Testing.
• Extensive experience in designing front end interfaces using HTML, JSP, CSS, Java Script and Ajax.
• Good Experience using Object Relational Mapping tool like Hibernate.
• Experience in Spring Framework such as Spring IOC, Spring Resources, Spring JDBC.
• Experience with various IDEs like IntelliJ, Eclipse, JBuilder and Velocity Studio.
• Implemented the service projects on Agile Methodology and involved in running the scrum meetings.
• Implemented the core product projects on Lean and Kanban Methodology and involved in delivering high quality health care product.
• Experience in developing web-services using REST, SOAP, WSDL and Apache AXIS2.
• Experience in writing the SQL queries.
• Experience in designing and developing UI Screens using Java Server Pages, Html, CSS and JavaScript.
• Used CVS, Maven, and SVN for Source code version control.
• Experience in designing transaction processing systems deployed on various application servers including Tomcat, Web Sphere, Web logic.
• Good Experience on Quality Control, JIRA, Fish Eye for tracking the tickets like accepting the tickets/defects, Submitting the tickets , Reviewing Code and closing the tickets etc.,
• Designed dynamic user interfaces using AJAX and JQuery to retrieve data without reloading the page and send asynchronous request.
• Excellent Experience in Code Refactoring.
• Excellent Client interaction skills and proven experience in working independently as well as in a team.
• Excellent communication, analytical, interpersonal and presentation skills.

Technical Skills

Professional Experience

Confidential

Sr. Java/J2EE Developer

Role Responsibilities:

• Consuming and exposing various Web services using JAX-RS and JSON to different systems for business services.
• Developed complex Web Services and tailored JAX-RS API to suit the requirement.
• Development of UI models using HTML, JSP, JavaScript, AJAX, WebLink and CSS.
• Primarily focused on the spring components such as Spring MVC, Dispatcher Servlets, Controllers, Model and View Objects, View Resolver.
• Implemented Caching Strategies in Web Services Client Layer for reducing the number of executions in Controller.
• Developed Spring Beans and configured Spring using applicationContext.xml.
• Generated DAO's to map with database tables using Hibernate. Used HQL Hibernate Query Language and Criteria for database querying and retrieval of results.
• Uses Second Level Cache to enhance performance and Proper Memory Management.
• Involved in J2EE Design Patterns such as Data Transfer Object DTO , DAO, Value Object and Template.
• Generated POJO classes with JPA Annotations using Reverse Engineering.
• Used Spring IOC, AOP modules to integrate with the application.
• Developed SQL Queries for performing CRUD operations in Oracle for the application.
• Used Maven for generating system builds and Bamboo for continuous integration.
• Created WAR/EAR files from Maven and deployed them on Tomcat.
• Developed the application using IntelliJ IDE.
• Used LOG4J, JUnit for debugging, testing and maintaining the system state.
• Used REST-CLIENT for testing the Web-Services.
• Wrote JUNIT Test cases for Spring Controllers and Web Service Clients in Service Layer using Mockito.
• Designed and developed the application using AGILE-SCRUM methodology.
• Used GIT to maintain source and version management and used IntelliJ as IDE.
• Using JIRA to manage the issues/project work flow.
• Involved in doing code reviews using STASH.

Environment:

Java/J2EE, Jdk1.6, Spring, Hibernate,Webservices, JAX-RS, Mockito,WADL,SOAP UI, JSP, AJAX , Liquibase, Html, CSS, Maven, log4j, Oracle, MY SQL, , SQL Developer ,JIRA, STASH, Source Tree, IntelliJ, GIT, UNIX, IntelliJ, AGILE-SCRUM.

Confidential

Sr. Java/J2EE Developer

Role Responsibilities:

• Used Spring for cross cutting concerns and IOC for dependency injection.
• Implemented application level persistence using Hibernate and Spring.
• Consuming and exposing various Web services using JAX-RS to different systems like NPI Validation, Address validation.
• Developed complex Web Services and tailored JAX-RS API to suit the requirement.
• Development of UI models using HTML, JSP, JavaScript, AJAX, WebLink and CSS.
• Primarily focused on the spring components such as Spring MVC, Dispatcher Servlets, Controllers, Model and View Objects, View Resolver.
• Configure SQL using Liquibase preconditions, insert, update and rollback. This will reduces the maintaining traditional way scripting and maintaining the data in Different Environments.
• Wrote complex named sql queries using Hibernate.
• Uses Second Level Cache to enhance performance and Proper Memory Management.
• Generated POJO classes with JPA Annotations using Reverse Engineering.
• Created multi-module maven project and used Maven to build applications and Jenkins for continuous integration.
• Created WAR/EAR files from Maven and deployed them on Tomcat.
• Developed the application using IntelliJ IDE.
• Used LOG4J, JUnit for debugging, testing and maintaining the system state.
• Used SOAP-UI for testing the Web-Services.
• Designed and developed the application using Lean-Kanban methodology.
• Used SVN to maintain source and version management and used IntelliJ as IDE.
• Using JIRA to manage the issues/project work flow.
• Involved in doing code reviews using Fish-Eye.
• Wrote custom JavaScript and CSS to maintain user friendly look and feel.
• Implemented SOLID Design Principles throughout the development of Project.
• Used Maven script for building and deploying the application.

Environment:

Java/J2EE, Jdk1.6, Spring, Hibernate,Webservices, JAX-RS, WADL,SOAP UI, JSP, Portico Web Link, AJAX , Liquibase, Html, CSS, Maven, log4j, Oracle, MY SQL, , SQL Developer ,JIRA, Fish Eye, SVN, UNIX, IntelliJ, Lean and Kanban.

Confidential

Sr. Java/J2EE Developer

Role Responsibilities:

• Involved in analysis and design phases of Software Development Life Cycle SDLC/Agile .
• Developed Servlets and JSPs based on MVC pattern using Struts framework.
• Developed the User Interfaces using Struts, JSP, JSTL, HTML and Ajax, JavaScript.
• Developed static and dynamic Web Pages using JSP, HTML and CSS.
• Created Action Classes, Form Beans, and Model Objects for the application using Model View Controller MVC approach.
• Designed dynamic user interfaces using AJAX and JQuery to retrieve data without reloading the page and send asynchronous request.
• Design and Developed using Web Services using Apache Axis2.
• Used SAX and DOM parsers for reading and putting XML messages into SOAP message.
• Developed Rest architecture based web services to facilitate communication between client and servers.
• Extensively written unit test cases using JUnit framework.
• Optimized SQL queries used in batch processing.
• Implemented the caching mechanism in Hibernate to load data from Oracle database.
• Created connections to database using Hibernate session Factory, using Hibernate APIs to retrieve and store data to the database with Hibernate transaction control.
• Involved in the integration of spring for implementing Dependency Injection DI/IOC .
• Write custom tag libraries for implementing tree,grid structure.
• For Bulk Order Processing , Implemented Functionality to Read Input Data from MS-Excel Files using Java and JXL API.
• Batch of Validating Billing Telephone Web service calls used for Bulk Order is solved using APM Scheduler and Apache Mail API.
• Implemented Jets Engine using Singleton and Factory Design Patterns for loading Application bulk Customer Premises Equipment data for VOIP Product.

Environment:

Core Java, Jdk1.5, JDBC, Servlets, JSP, Struts1.1 ,Hibernate, Spring, Web Services,JAX-RS JSP, JQuery, JSON, AJAX , Html, CSS, Java Script, log4j, SQL Server, Weblogic, SVN, Eclipse, DOJO, UNIX, Agile.

Confidential

Sr.Java/J2EE Developer.

Role Responsibilities:

• Designing and showcasing the UI Mock-ups for Enterprise Product.
• Consume and Expose Web services using Apache Axis2 for One Stop and Billing Telephone Number Validations.
• Generated WSDL file for publishing the web service.
• Involved in creating the Hibernate POJO Objects and mapped using Hibernate mapping files.
• Perform CRUD operations in DAO's using Hibernate.
• Writing service methods and SQL queries to interact with the Oracle.
• Designed and Developed the Sub modules of project using JSP, AJAX, Java script, CSS technologies.
• Written the Controller classes using Servlets and Invoke corresponding Business Methods.
• Designed and Developed Frontend Design Screens for Enterprise Product using Concept Wave Design Editor.
• Generated SQL custom scripts from Value Objects using Concept wave Velocity Studio.
• Written Complex queries and Fetching DB Data using Concept Wave Finders.
• Implemented the Persistence Logics using Concept wave Scripts.
• Conducted client side validations using JavaScript and Concept Wave Rules.
• Mapped VO in Domain Model to tables in Relation Model and Generated SQL Scripts in ConceptWave.
• Coded JDBC calls in the Conceptwave to access the Oracle database tables.
• Write SQL Queries for Fetching from DB to Render to UI.
• Deployed and moved all configurations to UAT Environment.
• Executed J2EE design patterns such as Factory, DAO, DTO and Proxy.

Environment:

Core Java, Jdk1.6, Concept Wave, Hibernate, JSP, JDBC, SOAP, Web services, Apache AXIS2, WebVelocity Studio, TOAD, Agile, XML, XPATH.

Confidential

Sr. Java / J2EE Developer

Role Responsibilities:

• Performed full life-cycle solutions, from requirements gathering, to writing specs then after development, writing the user/technical documentation.
• Designed and developed all UI Screens Forms using Java Server Pages, Struts, Html, CSS and JavaScript.
• Implementing functionality like Move, Change, Add and Disconnect using on existing services using Struts Action Classes, Action Forms and DAO's.
• Integrate with Catalog to define the configuration pages dynamically during run time using Servlets, JSP and JDBC.
• Implement the configuration pages like location, service, details and summary independent of a product using Struts and DGF Frameworks.
• Created an XML configuration file for Hibernate to map to Oracle Database.
• Wrote JavaScript's for validating the client side user account information based on their business rules.
• Wrote VO's, DAO's to retrieve store data the data form the SQL Server Database.
• Configured the hibernate.cfg files to connect to Oracle database.
• Designed and developed queries using Hibernate Query Language and data validation via the Hibernate validator framework.
• Validate and Traverse Generated XMLs using DOM Parser.
• Used tools like XML Spy for getting XPATH of corresponding node, mapped with Data Gathering Object DGO .
• Used SVN for Source code version control.

Environment:

Core Java, Jdk, JDBC, Struts, Hibernate, DGF Data Gathering Framework , JSP, Tag Libraries JSTL , SQL Server, XML, Html, CSS, JavaScript, AJAX, Ant, SVN, Web logic, Junit, log4j, RAD, Unix, ITSM Tool.

Confidential

Java Application Developer.

Role Responsibilities:

• Created Action Classes, Action Forms for the application using Model View Controller MVC approach.
• Developed JSP Custom Tag Libraries for Tree Structure and Grid using Pagination Logics.
• Develop the logics in BOSI to generate BOD XMLs for a given product with different business rules.
• Designed and developed all UI Screens Forms using Java Server Pages, Struts, Html, CSS and JavaScript.
• Configured JNDI properties in Web sphere.
• Written SQL queries for Performing CRUD Operations using JDBC.
• Developed the front-end using JSP, Servlets, HTML, and JavaScript.
• Developed handlers and DAO's to get the data from Database.
• Developed business logic activities with Java Beans, Servlets.
• Worked extensively with JSP's and Servlets to accommodate all presentation customizations on the front end.
• Responsible for Writing SQL Queries and executing using JDBC API.
• Performed Unit Testing With Junit Framework.
• Programmed the Data Access layer using DAO pattern, with JDBC being used for data access.

Environment:

Core Java, Jdk1.5, JDBC, Servlets, JSP, Struts, DGF, Tiles, Html, CSS, Oracle, Java Script,JUnit PL-SQL, Views, Web sphere, CVS, Eclipse.

Confidential

Systems Engineer

Role Responsibilities:

• Responsible for Developing Struts Action classes for Business Implementations.
• Developed screens using JSP and Struts Tag Libraries for Screen Design using JSP.
• Customize Header and Footer of UI Screens using Struts Tiles Frame work.
• Developed the front-end using JSP, Servlets, HTML, and JavaScript.
• Server side and Client side validations handled using Struts Validator Frame Work.
• Developed DAO Implementation classes using JDBC.
• Called Stored Produces in Oracle using Callable Statements in JDBC.
• Developed Screen Design using HTML, IFrames, JavaScript, and CSS.
• Written SQL queries for Performing CRUD Operations.
• Written Client/ Server side validations and Java script Implementation for MDI windows/Customer Window.
• Service Configurations using JNDI.
• Customizing Applets using IBM Host on Demand.

Environment:

Core Java, Jdk1.5, JDBC, Servlets, JSP, Struts, Tiles, Html, CSS, Oracle, Java Script,JUnit ,PL-SQL, Views, Web sphere, CVS, Eclipse.

Confidential

Systems Engineer

Role Responsibilities:

• Involved in development, customization and enhancement of the product.
• Wrote Form Handlers, Managed Bean Classes, VO's using struts MVC framework Srtuts1.1 for the modules.
• Implemented Generic Controller in Java that carries common functionality such as Redirecting URLs, Generic Methods for handling Exceptions.
• Designed and developed all UI Screens Forms using Java Server Pages, ATG, CSS, JSTL, Html and JavaScript.
• Responsible for Developing Managed Bean and DAO classes for Business Implementations.
• Used ATG Tag Libraries for Screen Design using JSP.
• Business validations are handled using Form Handlers.
• Client side validations are handled using Java Script.
• Written Utility classes for getting Connection using JDBC.
• Responsible for Writing SQL Queries and executing using JDBC API.
• Involved in preparation of System Use Cases SUC's and Unit Test Speciation UTS .
• Taken whole responsibility and developed module alone with in time specified.
• Developed unit test cases using JUnit.
• Used Eclipse IDE for Development and Version Control as Clearcase.
• Involved in the code fixing and system testing activities.
• Written Client/ Server side validations for the project

Environment:

Java, Servlets, JSP, ATG Dynamo, JDBC, HTML, XML, CVS, CSS, Java Script, Oracle, Websphere and UNIX.

Confidential

Systems Engineer

Role Responsibilities:

• Developed GUI using JSP,HTML,CSS and Java Script.
• Used ATG Tag Libraries for Screen Design using JSP and ATG Dynamo.
• Used JDBC API for Performing CRUD Operations and Calling Stored Procedures in Oracle.
• Used AJAX to avoid reloading pages for dependent UI Components.
• Implemented Bean Manager Classes using Java classes and Interfaces.
• Business logic implementation using DAO design pattern.
• Implemented Form Handlers in ATG that act as Controller Between View and Bean Manager.
• Responsible for Developing Action classes for Business Implementations in ATG.
• Responsible for Writing SQL Queries for Project.
• Generated Reports using JFreeChart.
• Written Custom Exception Classes for LTA.
• Written Client/ Server side validations for the project using JavaScript.
• Involved in preparation of System Use Cases SUC's and Unit Test Speciation UTS .
• Developing prototype screens using HTML and Java Script.

Environment:

Java, Servlets, JSP, ATG Dynamo, JFreeChart, JDBC, HTML, XML, CVS, CSS, Java Script, Oracle, Websphere and UNIX.