SUMMARY:

• An accomplished software engineer specialized in object - oriented programming analysis with extensive full Software Development Lifecycle (SDLC) experience in Application Software Specifications, Design, Development, Testing and debugging, Maintenance.
• Over 8+ years of strong software experience in design, development and deployment of web-based and Client-Server business applications using OOP, Java/J2EE technologies.
• Expert in Various Agile methodologies like SCRUM, Test Driven Development (TTD), Incremental and Iteration methodology, Agile Development & Testing using Software Development Life Cycle.
• Expertise in developing SOA (Service Oriented Architecture), REST and J2EE ++ based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
• Experience in Service Oriented Architecture (SOA), Web Services Integrations, BPM, BPEL and ESB using WebSphere Process Server, ESB, Web Sphere Integration Developer, Data Power and WSRR.
• Transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multithreading etc.
• Experience in developing client-side, server-side/middle-tier components applying Java/J2EE design patterns and using frameworks: Servlets, JSF, Struts, Spring, Webservices, EJB, JMS, Hibernate, iBatis, JDBC, JPA, GWT, and Log4j.
• Strong experience in Spring Framework modules such as Spring MVC, IOC, AOP, JDBC, JTA, IO, Spring Dashboard, Spring Boot, Spring Microservices, Spring REST, Spring Eureka, Spring Ribbon, Spring Netflix, Spring Zuul Proxy.
• Proficient in applying design patterns like MVC, Singleton, Session Facade, Service Locator, Visitor, Observer, Decorator, Front Controller, Data Access Object.
• Proficient in implementation of frameworks like Struts, Spring, JSF, AJAX frameworks (RichFaces, MyFaces) and ORM frameworks like Hibernate.
• Experience with Front end frame works with its components such as AngularJS, jQuery, NodeJS, BackboneJS, ReactJS, JavaScript, JSON, AJAX, Adobe Flex, ActionScript, HTML, DHTML, CSS, Tiles, Tag Libraries.
• Expertise in the implementation of Core concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB.
• Experienced in developing front end views with Custom Tag Library, JSTL, AJAX, JSON, JavaScript, Spring tags, Html 5, CSS 3, JSP, SCSS, JTML.
• Proficient in creating the Dash Boards using the Backbone.Js for faster performance with AJAX calls.
• Used Node.Js and JQuery for Dom manipulation.
• Experience With creating the real-time analysis with node js and socket .io according to business needs.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
• Excellent experience with major relational databases - Oracle 8i/9i/10g/11i, SQL Server 2000/2005/2008, DB2, My SQL.
• Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases to NoSQL databases like MongoDB, Cassandra and CouchDB.
• Experience in database modeling, design and development of PL/SQL Queries, Stored Procedures, Triggers, Cursors, Functions and Packages in relational databases: Oracle 11g, SQL Server 2005/2008, DB2 and MySQL.
• Experienced in Middleware persistence frameworks like Hibernate/JPA Entities for mapping Java classes using Hibernate Query Language (HQL), HSQL Named Queries, Criteria, Projections.
• Developed applications using latest technologies like Spring 3.x/4.x, Hibernate3.2/4.x, REST based Web services (Axis2.0, JAX WS 2.0, JAX RS), Rule Engines (Drools4.1, ILOG), jBPM tools.
• Worked in Building application platforms in the Cloud by leveraging Amazon Web Services, open source technologies & best engineering practices of CI/CD.
• Experience in using ORM tools like Hibernate, iBATIS, Mybatis for XML mappings and Java Objects.
• Experience with creating and workflows and Mappings, running jobs in Informatica 9.5/ETL.
• Experience in software configuration management using CVS, SVN, GitHub and IBM ClearCase.
• Experience with CICD-Ant, Maven, Gradle, Jenkins, Hudson, CVS, Git, GitHub.
• Extensive development experience in different IDE's like Eclipse 3.x, Aptana Studio, Jbuilder 9.x/8.x, WSAD 5.x, IBM RAD and AltovaXMLSpy.
• Experience in working with web servers like Tomcat 8, IBM WebSphere 8.0, Jetty, JBoss 7.1.0 and WebLogic 10.0.
• Experienced in Middleware persistence frameworks like Hibernate/JPA Entities for mapping Java classes using Hibernate Query Language (HQL), HSQL Named Queries, Criteria, Projections.
• Hands on experience with build tools like Ant, Maven, Gradle and Logging tools like Log4J and Splunk.
• Experience in testing with JUnit Framework using Mockito and Easy Mock, Spring Junit Runner, JMeter.
• Expertise in several testing environments like JUnit, Selenium, CURL, Jenkins, SoapUI and System Testing.
• Responsible for support and maintenance, implemented Spring Batch for huge number of transactions.
• Experience in creating Docker images, Containers, push/pull and integrating with Spring Boot.
• Expertise with employment of Spring Kafka and Zookeeper apart from JMS as messaging service.
• Proficient in using Amazon Web Services (AWS). Extensive experience focusing on services like EC2, Elastic Beanstalk, CloudWatch, CloudFront, Cloud Formation, IAM, S3, RDS, ElastiCache, SNS, SQS, AMI.
• Experience using secure authentication mechanisms like LDAP, SASL and Kerberos v4.

TECHNICAL SKILLS:

Programming Languages: Java 1.8, SQL, PL/SQL

Java/J2EE Technologies: Servlets, JSP, JSTL, JDBC, JMS, JNDI, RMI, EJB, JFC/Swing, AWT, Applets, Multi-threading, Java Networking

Application/Web Servers: Apache Tomcat 8.0, IBM WebSphere 8.0, JBoss 7.x, Oracle/BEA WebLogic 12.x/10.x/9.x

Web technologies: JSP, JavaScript, jQuery, AJAX, Angular JS, XML, HTML 5, CSS 3, ReactJS, BackBone.JS 1.3.1, Node JS 6.0.

Frameworks: Spring 4.3, Hibernate 4.3, Angular JS 1.0/2.0, Spring Security 3.2

Web Services: SOAP 1.2, REST 2.0, JAX-WS, JAX-RPC, JAX-RS

IDE: Eclipse, NetBeans 8.0.2, IntelliJ 2017.1, Spring Tool Suite (STS) 3.9.3

Cloud Environments: Azure, AWS, Netflix Eureka, Mesos, Kubernetes.

XML Tools: JAXB, Apache Axis, AltovaXMLSpy

Methodologies: Agile, waterfall, TDD (Test-Driven-Development), Scrum

Modeling Tools: UML, Rational Rose, Visio

Testing technologies/tools: Junit, Selenium, TEST NG, Mockito,Cucumber,JMeter,RFT

Relational Database: Oracle 11g/12C, SQL server 2012/2014/2016, MySQL 5.7, DB2 11.1

NoSQL Databases: MongoDB, Cassandra, Couch DB

Version Control: CVS, SVN, Rational clear case, Git,BitBuket

Build Tools: Maven 3.3.9, Gradle 3.4.1, Ant 1.10

Platforms: Windows 10, UNIX, Linux

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL

Full Stack Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed business components using core java8 concepts and classes like Inheritance, Polymorphism, Collections, Serialization and Multithreading etc.
• Documentation functional specifications using Use case diagrams, Object diagrams, Class diagrams, and Sequence diagrams using UML.
• Implemented and developed UI components using Angular JS features like dependency Injection, Models, data binding and controllers.
• Developed test cases for Angular JS using karma and grunt
• UI design and development using JSF, richfaces and myfaces.
• Extensively used Java server Faces (JSF) Navigation rules and JSF tags for enhanced user Interface.
• Developed Interactive web pages using AngularJS, ReactJs, HTML, CSS and JavaScript.
• Develop various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) and React Redux library
• Responsible for the technical direction and implementation of the Spring Batch framework according to new design with spring security.
• Responsible to support the operations, monitoring & reporting according to the requirement of higher management team by making Splunk Dashboards.
• Implemented various features of spring framework such as Dependency Injection, IOC, Annotations and Spring integration with Hibernate.
• Implemented application architecture of the System is based on Spring MVC (Model View Controller) and J2EE specifications.
• Implemented the MVC architecture using Backbone.js, Node.js and Angular.js, React.js.
• Integrated application with Spring Security for form-based authentication and authorization by used spring security JSP tags to provide UI level spring security.
• Stored authentication and authorization detail in database, used these DB authorization detail with spring security annotation on method for apply method level spring security.
• Worked on Spring Security for application authentication based on role-based security system for web-based administrative applications.
• Used Node JS for heavy DOM manipulation.
• Implementing security Single Sign-On application to share user management, authentication and authorization among multiple applications.
• Implemented Dynamic batch feature for batch processing with Spring batch.
• Worked extensively on batch job schedulers for Pausing and Resuming job features according to the business need.
• Experience in working with Spring Quartz framework and developed various quartz jobs
• Implemented Dynamic job scheduling according to the business need (daily, weekly, monthly etc.) same using Quartz scheduler.
• Integrated with the Polymer-CLI tool, for obtaining featured Progressive Web Application
• Developer Spring Quartz jobs to run the backend jobs and generated reports.
• Used Mybatis for persistence logic to populate the SQL result set into java objects and persist data into tables by extracting the data from Java objects.
• All the functionality is implemented using Spring IO / Spring Boot and Hibernate ORM.
• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.
• Implementing or exposing the Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.
• This functionality is implemented by developing RESTFUL web services using Spring boot, Spring RESTFUL template
• Utilized AWS Lambda platform to upload data into AWS S3 buckets and to trigger other Lambda functions.
• Worked on the following AWS services like EC2, S3, VPC, EBS, ELB, Auto Scaling, Cloud Watch, Cloud Trail, IAM, SNS, SQS, RDS, DynamoDB, etc.
• Designed, built, and deployed a multitude application utilizing almost all of the AWS stack (Including EC2, MongoDB focusing on high-availability, fault tolerance, and auto-scaling)
• Worked with a team to develop and maintain an internal Log Delivery System, utilizing various Apache products, Kafka, Storm, and Tomcat.
• Worked with NoSQL database Mongo DB and worked with it to perform many different operations.
• Test the API responses for the WCS changes deployed on continuous basis, validate the Green Box response data and Mongo DB data.
• Used JTA, HQL and POJO for Data management of accounting system.
• Worked on Distributed Transaction Management system to achieve multiple resource (or XA) transactions with Spring JTA Based on Atomikos, tomcat.
• Implemented Hibernate/JPA for data persistence.
• Implemented the application using design patterns such as Session Façade, Business Delegate, Bean Factory, Singleton, Data Access Object, and Service Locator.
• Implemented Hibernate Template to great extent making use of HQL, Named Parameters, Named Queries and interfaces such as Expression, Query and Criteria.
• Administered and deployed applications into WebSphere Application Server.
• Used Java Messaging Services (JMS) for reliable and asynchronous exchange of important information such as payment status report.
• Used SAX and DOM parser to parse the XML documents and XSLT for transformations.
• Used PL/SQL stored procedures for applications that needed to execute as part of a scheduling mechanisms.
• Involved in the development of project back-end layer using by most of core java features such as Collection frameworks, Interfaces, Multi-threading, and Exceptions.
• Used java Collections API extensively such as Lists, Sets and Maps.
• Worked with core java technologies like Multi-Threading and synchronization.
• Handled Java Multi-Threading part in back-end component, one thread will be running for each user, which serves that user
• Implementation of Thread pool and locks for concurrency management.
• Worked on developing POJO classes to map database tables with java objects.
• Involved in creating test cases using JUnit strictly following Test Driven Development (TDD) methodology.
• Used JUnit, Mocktio and Power Mocks framework for unit testing of application and implemented Test Driven Development (TDD) methodology.
• Worked on SOAP Web Services using SOAP for transmission of large blocks of XML data over HTTP.
• Used Maven, Nexus and Jenkins to automate the build and deploy process.
• Experienced in Writing the Splunk queries for reporting, dash boards for analysis, Generated Dashboard through Splunk.
• Hands on experience with Searching and Reporting with Splunk 5.x.
• Involved in full project management life cycle from development to integration, testing and release to lower environments.
• Used log4j for logging errors in the application.
• Involved in testing the JMS integration between queues and topics using GEMS.
• Used Mockito Framework for Junit.
• Implemented Continuous Integration of automation framework using tools like Jenkins, Hudson.
• Integration of automation batch run job with Jenkins. Worked with Jenkins Continuous Integration tool and Build Tool Ant.
• Used GIT as version management, Jira for defect management system.
• Resolved bugs/defects in application by coordinated with team members of the project using JIRA.
• Used JUnit for unit testing of the application and log4j for logging.

Environment: Java 1.8, Spring 3.5, Hibernate 4.2, Spring batch, Spring quartz, Spring security, Spring Jta, Spring Boot, JPA, Java Scripts, AngularJS, HTML 4.0, CSS, JMS, JAXP (SAX & DOM), AWS, WebSphere Application Server, Eclipse/RAD 8.0, Oracle 11g, SOAP, RUP, Maven, log4j, Polymer, JUnit, XML,MongoDB, Web Services, ILogJRules 5.0, Splunk, GIT.

Confidential, Columbus, IN

Full Stack Developer

Responsibilities:

• Developed user interface using JSP, HTML5, AngularJS, jQuery and performed client-side validations using Java Script, AJAX, JSTL and CSS for making the Web Pages dynamic.
• Used Bootstrap and media queries to create a Responsive Webpage across different screen-sizes.
• Used Ajax for sending and retrieving data from server by giving URL to get JSON data for models and to populate models from the server.
• Used AngularJS to create views to hook up models to the DOM and synchronize data with server as a Single Page Application (SPA).
• Used AngularJS to create Controllers to handle events triggered by clients and send request to server.
• Involved in the development of project back-end layer using by most of core java features such as Collection frameworks, Interfaces, Multi-threading, and Exceptions.
• Involved in writing Thread Safe blocks for multithread access to make valid transactions.
• Used Spring MVC, Spring ORM and Spring Security modules to integrate with MySQL database to implement persistence layer in Hibernate.
• Implemented various features of spring framework such as Dependency Injection, IOC, Annotations and Spring integration with Hibernate.
• Integrated application with Spring Security for form-based authentication and authorization by using spring security jsp tags to provide UI level spring security.
• Stored authentication and authorization detail in database, used these DB authorization detail with spring security annotation on method for apply method level spring security.
• Implementing or exposing the Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.
• This functionality is implemented by developing RESTFUL web services using Spring boot, Spring RESTFUL template.
• Implemented application architecture of the System is based on Spring MVC (Model View Controller) and J2EE specifications.
• Worked on SOAP Web Services using SOAP for transmission of large blocks of XML data over HTTP.
• Created and Consumed Web Services using Restful & SOAP web services.
• Exposed the Web Services to the client applications by sharing the WSDL’s.
• Experience in working with Spring Quartz framework and developed various quartz jobs.
• Deployed and Monitored Micro Services Using Spring Cloud Foundry Also Managed Domains and Routes with the Cloud Foundry.
• Worked on Microservice architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka, Zookeeper to establish communication between the Microservices in the application environment.
• Developed XPATH, XQUERY and custom XML parsers based on SAX, DOM as part of XML Consumption.
• Implemented Swagger for the Rest API. I have good experience in Docker to deploy applications quickly, setup CICD pipeline and I have used Docker consoles for managing the application life cycle and monitored on Git.
• Experience with building Docker Images and running them on Docker container.
• Configured and Maintained AWS ECS Repository for Deploying Docker Image by Creating a task definition, scheduling tasks and configuring clusters in the AWS ECS Console, Experience In setting up of AWS RDS and Dynamo DB instances
• Designed roles and groups for users and resources using AWS Identity Access Management and also managed network security using Security groups and IAM
• Have replaced the Java Messaging Service (JMS) calls with AWS SQS and used AWS SDK to connect with Amazon SQS for bulk messages processing.
• Developed code with Java SDK to connect with AWS Services. Worked with S3 for storing and retrieving data stored in the S3 bucket's, AWS SQS for bulk email processing, Data backup and archiving on AWS using S3 and Glacier and Dynamo DB to store the data for metrics and backend reports.
• Used AWS SDK for connection to Amazon S3 buckets as it is used as the object storage service to store and retrieve the media files related to the application.
• Implemented Continuous Integration of automation framework using tool Jenkins
• Used Log4j for logging and debugging and used JUnit extensively for testing.
• Database development required in creation of new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
• Worked in an Agile Environment and participated in requirement gathering, analysis and design.
• Followed iterative application development specified by Agile Scrum methodology consisting of weekly Sprints and stand up meetings and built the application with Test Driven Development (TDD).
• Used Mockito Framework for JUnit.
• Used RTC for defect tracking and project management.
• Implemented Continuous Integration of automation framework using tools like Jenkins.
• Integration of automation batch run job with Jenkins. Worked with Jenkins Continuous Integration (CI) tool.
• Focused on Test Driven Development (TDD) methodology thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Good knowledge of Functional testing using IBM Rational Functional testing tool.
• SVN was used for project management and version management.
• Deployed the application on Tomcat 8.0 application server.

Environment: Java 8, Spring 3.5, Hibernate 4.2, Spring batch, Spring quartz, Spring security, Spring Jta, Spring Boot, JPA, Java Scripts, AngularJS 4.0, HTML5, CSS, JMS, AWS (S 3, VPC, EBS, ELB, Auto Scaling, Cloud Watch, Cloud Trail, IAM, SNS, SQS, RDS, DynamoDB), Tomcat Application Server 8.0, Eclipse, SOAP, Restful, Maven, log4j, JUnit, XML,Splunk, SVN

Confidential, Rockford, IL

Full Stack Developer

Responsibilities:

• Developed the J2EE application based on the Service Oriented Architecture.
• Used Design Patterns like Singleton, Factory, Session Facade and DAO.
• Developed using new features of Java 1.7 Annotations, Generics, enhanced for loop and Enums. Used Spring and Hibernate for implementing IOC, AOP and ORM for back end tiers.
• Developed various generic JavaScript functions used for validations.
• Developed screens using HTML, CSS, JavaScript, JQuery and AJAX.
• Creation of prototypes using Inkspace and Quickview 3.0
• Developing and editing user Interface Screens using JSP, HTML, JavaScript and node.js.
• Improve presentation of webpages CSS 3.0, Adobe Flash and JQuery plug - ins.
• Designed SOA integration using Apache CXF. Enabled rapid service tier development.
• Used AngularJS for DOM Manipulation, Filters, and Directives.
• Implemented DAO layer using MyBatis ORM framework.
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS.
• Used Twitter Bootstrap to create responsive web pages which can be displayed properly in different screen sizes.
• Worked on creating responsive website for smart devices using responsive design and Bootstrap.
• Developed the application using Model-View-Controller (MVC) architecture.
• Used Ajax for sending and retrieving data from server by giving URL to get JSON data for models and to populate models from the server.
• Used AngularJS to create views to hook up models to the DOM and synchronize data with server as a Single Page Application (SPA).
• Used Bootstrap and AngularJS to create Controllers to handle events triggered by clients and send request to server.
• Worked on Cross-browser Compatibility of UI pages. Implemented for internet browsers such as Chrome, Firefox, and IE 8/9/10/11.
• Debugged the application using Chrome Inspector, Firebug, IE Tester and many other debugging tools.
• Created forms to collect and validate data from the user in HTML5 and AngularJS.
• Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Worked with NoSQL database Mongo DB and worked with it to perform many different operations.
• Test the API responses for the WCS changes deployed on continuous basis, validate the Green Box response data and Mongo DB data.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Worked on Spring Quartz functionality for scheduling tasks such as generating monthly reports for customers and sending those mails about different policies.
• Extensively used various Spring Framework modules like MVC, DI (IOC), Auto Wiring, JDBC Templates, Spring Security, and AOP.
• Implemented SOA to develop REST Based Web services using Apache Axis .
• Developed Service Layer Using Spring, AspectJ and persistence layer using Hibernate.
• Extensively used Hibernate mappings, HQL, EHCache, Query, Criteria, Lazy loading Transactions and Lockings.
• Developed RESTWeb Services clients to consume those Web Services as well other enterprise wide Web Services.
• Exposed the Web Services to the client applications by sharing the WSDL’s.
• Used DAO pattern to fetch data from database using Hibernate to carry out various database.
• Used Hibernate Transaction Management, Hibernate Batch Transactions, and cache concepts.
• Modified the Spring Controllers and Services classes to support the introduction of Spring framework.
• Developed various generic JavaScript functions used for validations.
• Developed screens using jQuery, JSP, JavaScript, AJAX and Ext JS.
• Used Hibernate as ORM tool and defined the mapping and relationship of each table in database.
• Created logical and physical data models putting to practice, concepts of normalization and RDBMS.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development
• Developed the application using industry standard design patterns like Singleton, Business Delegate Factory Pattern for better maintenance of code and re-usability.
• Experience with basic WebSphere Administration- like JMS, Data Source Configurations, Listener port configurations, JVM Property Configuration, Certificates Configuration,
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other webservices used in the system.
• Involved in writing Thread Safe blocks for multithread access to make valid transactions.
• Validating user actions on the client side and providing responsive feedback
• Used XStream API to transfer data back and forth between Spring MVC and Ext JS .
• Involved in writing stored procedures, triggers, cursors and views.
• Worked with Web services components JAX-RS services and worked with Restful Web services interact with external systems.
• Created automated test cases for the web application using Selenium.
• Developed and executed SQL queries for testing database integrity and for data analysis using Selenium.
• Developed and maintained automated regression test cases in Selenium WebDriver using Java programming language.
• Extensively automated regression and functional test suites by developing over 237 test cases, 6 test suites using Selenium WebDriver, JAVA, and JUnit.
• Used Maven and Jenkins to automate the build and deploy process.
• Developed and consumed Apache CXF based Web Services as part of Payments Application.
• Used AJAX extensively to implement front end /user interface features in the application.
• Developed the presentation layer and GUI framework in JSP and Client-Side validations were done.
• Database development required creation of new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
• Worked closely with QA team and fixed QA bugs as well as production issues with a quick turnaround time.
• Focused on Test Driven Development ; thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Used Rational Application Developer (RAD) which is based on Eclipse, to develop and debug application code.
• Created user-friendly GUI interface and Web pages using HTML, Angular JS, JQuery and Java script.
• Used Log4j utility to generate run-time logs.
• SVN was used for project management and version management.
• Deployed the application on WebSphere 7.0 application server.

Environment: J2EE, Spring framework, Spring MVC, Hibernate 3.x, Angular JS, jQuery, JSON, JSF, Servlets 2.3, JDBC, AJAX, Web services, SOAP, XML, Java Beans, XStream, NetTool, Selenium, Apache CXF 2.6, Apache POI, Ext JS, JQuery, JavaScript, Oracle 10g, IBM RAD, WebSphere 7.0, Agile Methodology, Design Patterns, SVN, Apache Maven, JUnit, HTML, XSLT, HTML/DHTML.

Confidential, Doral, FL

Java Developer

Responsibilities:

• Developed the J2EE application based on the Service Oriented Architecture.
• Used Design Patterns like Singleton, Factory, MVC, Intercepting Filter, Front Controller, Business Delegate, Service Locator, Session Facade and DAO.
• Developed using new features of Java 1.5 like Annotations, Generics, enhanced for loop and Enums.
• Worked in all the modules of the application which involved front-end presentation logic developed using Tiles, JSP, JSTL and java script, Business objects developed using POJOs and data access layer using iBatis framework.
• Involved in writing Thread Safe blocks for multithread access to make valid transactions.
• Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Worked on Spring Quartz functionality for scheduling tasks such as generating monthly reports for customers and sending those mails about different policies.
• Used DAO pattern to fetch data from database using Hibernate to carry out various database.
• Used Hibernate Transaction Management, Hibernate Batch Transactions, and cache concepts.
• Created session EJBs that retrieved information from the Oracle database using Hibernate.
• Defined Action Forms, Model Components using Struts MVC framework providing very clean division between controllers, flexibility with the use of interfaces and providing thin web layer over business layer.
• Developed various generic JavaScript functions used for validations.
• Developed screens using JSP, JavaScript, AJAX and Ext JS.
• Used JIRA for defect tracking and project management.
• Used XStream API to transfer data back and forth between Spring MVC and Ext JS .
• Used AJAX extensively to implement front end /user interface features in the application.
• Implemented SOA to develop Web services using Apache Axis .
• A set of Web Services was created using CXF to handle SOAP requests with HL7 payload and addressing
• Developed Web Services clients to consume those Web Services as well other enterprise wide Web Services.
• Exposed the Web Services to the client applications by sharing the WSDL’s.
• Configured Selenium WebDriver, TestNG, Maven tool and created selenium automation scripts in java using Test NG prior to agile release.
• Performed functional testing to identify various critical points in the application and automated it by using Selenium web driver.
• Created logical and physical data models putting to practice, concepts of normalization and RDBMS.
• Database development required creation of new tables, PL/SQLstored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.
• Worked closely with QA team and fixed QA bugs as well as production issues with a quick turnaround time.
• Focused on Test Driven Development ; thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Tested Service and data access tier using JUnit in TDD methodology.
• Followed Agile SCRUM methodology and used Test Driven Development (TDD).
• Used Rational Application Developer (RAD) which is based on Eclipse, to develop and debug application code.
• Used Ant scripts to build and deploy the applications in JBoss application Server.
• Used JBoss Data Grid for developing a r application.
• Used Log4j utility to generate run-time logs.
• CVS was used for project management and version management.
• Deployed the application on WebSphere 7.0 application server.
• Developed Functional Requirement Document based on users’ requirement.

Environment: J2EE, Spring framework, Spring MVC, iBatis 2.2, JSP 2.0, JSF, Servlets 2.3, JDBC, AJAX, Web services, SOAP, XML, Java Beans, XStream, Apache POI, Ext JS, jQuery, JavaScript, Oracle 10g, IBM RAD, WebSphere 7.0,Data Grid, Agile Methodology, TDD,Selenium,Design Patterns, CVS, Apache Maven, JUnit, HTML, XSLT, HTML/DHTML.

Confidential

Java Developer

Responsibilities:

• Gathering specification, designing the system, development, testing and implementing the system. Collecting the requirements from end users.
• Preparing the Detailed Design Documents, which contains the Class Diagrams and Sequence Diagrams for the complex use cases.
• Developing Struts based applications in an Extreme Programming environment.
• Developing interactive web components using AJAX.
• Implementing the saving of definitions and dynamic population of data using AJAX.
• Creating and hosting web services for data exchange of different systems.
• Developing the web interface using MVC design pattern with Struts framework.
• Implementing the Java related portions of the application including EJBs for encapsulating business logic.
• Designing and Implementing Server Objects using Java Servlets, JDBC.
• JDBC connection pooling for accessing embedded and legacy data sources
• Development & Unit Testing of Vendor Management and Maintenance Modules
• Preparing/Reviewing Use cases, UML diagram.
• Developed commonly used client side validation using Java script.
• Involved in implementing the batch processing using shell scripting and thus processing the XML files received from the external application though the FTP server.
• Developed build script using ANT to build, package, test and deploy application in web sphere application server.
• Developed SQL queries and utilized stored procedures and triggers to perform transactions with Oracle DB.
• Used clear case for version controlling management.
• Involved in writing the XSL files to transform the user defined GUI Component data to render view.
• Prepared and updated the build scripts using Ant Tool.

Environment: JSP, Servlets, EJB, JMS, XML, XSLT, Log4j, Struts, Tiles, AJAX, HTML, CSS, Eclipse, Rational Rose, JUnit, Ant, CVS, RAD, IBM Web Sphere Application Server, Oracle, UNIX, Windows XP.