PROFESSIONAL SUMMARY:

• Around 7 years of IT experience in all phases of Software Development Life Cycle (SDLC) such as Planning, Analysis, Design, Implementation, Testing and Maintenance of Web Based, Client - Server and N-tier Architectures
• Ability to efficiently translate algorithms, ideas and concepts to software applications.
• Extensive experience of designing and developing software applications with Java, J2EE, EJB, JSP, JSF, Servlets, Java Beans, ORM, Web Services, JDBC, XML, CSS, SOAP, REST.
• Strong experience with frontend technologies like HTML5, CSS3, Scripting languages like JavaScript, JQuery, AJAX, Angular JS, NodeJS, BackboneJS and good knowledge in ReactJS, EmberJS.
• Proficient in Java/J2EE Design Patterns including Singleton Factory, Model View Controller (MVC), Data Access Object (DAO) and Business Delegate. Well versed with core Java concepts like collections, multithreading, serialization, Java beans.
• Responsible for designing Presentation Tier (web pages) using the concepts such as Themes, Skins, HTML, XML, CSS, Java Script and JQuery using AJAX.
• Expert level skills in Java, JDBC, JavaBeans, Spring Frameworks, Hibernate, Structs, JSP, JFC, Servlets, EJB, GWT.
• Extensive experience in design and architecture of J2EE based large applications and good working experience in using different modules like Spring Core Container Module, Spring Application Context Module, Spring MVC Framework module, Spring AOP Module, Spring ORM Module, Spring Batch in Spring Framework.
• Expertise in the implementation of Core Java concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB transaction implementation (CMP, BMP, Message-Driven Beans), JMS, Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multi-Threading, Data structures etc.
• Experience in writing numerous test cases using JUnit framework. Expertise in developing dynamic web pages in HTML with AngularJS for UI and developed single page application by using AngularJS
• Proficient with development of RESTful Web Services using JAX-RS for exchange of JSON and XML representations. Expertise in developing dynamic web pages in HTML with AngularJS for User Interface and developed single page application by using AngularJS
• Expertise in developing SOA (Service Oriented Architecture) and J2EE Web Services based on SOAP, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC using tools like Apache Axis.
• Knowledge of XML and related technologies like XSL, XSLT and parsers like JAXP (SAX, DOM) and JAXB.
• Experience in Object Oriented Analysis and Design (OOAD) using Unified Modeling Language (UML) and Rational Unified Process (RUP) using Rational Rose, Enterprise Architect and MS Visio.
• Experienced in using ANT and Log4j. Experience working with databases such as Oracle 8.x/9i/10g, MS-SQL Server 2008/2005, MySQL and using PL/SQL to write stored procedures and functions for different Data Models.
• Experience in AWS Cloud platform and its features which includes EC2, AMI, EBS, Cloud watch, AWS SQS and AWS S3.
• Experience in Microsoft Azure Cloud Computing development and support.
• Designed and developed custom Mongo applications specific to clients' needs and proficiency in multiple databases like MongoDB, Cassandra, MySQL, ORACLE and MS SQL Server. Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design.
• Experience in Configuration Management, setting up company Version policies, build schedule using SVN, CVS and Git.
• Expertise working on Application Servers and Web Servers like WebSphere 6.x/7.x, WebLogic 8.x/9.x/10.x, Apache Tomcat 5.x/6.x/7.x.
• Extensive experience in Database Development using SQL, PL/SQL, Stored Procedures, Functions, SQL Developer & TOAD, Triggers and SQL Server Management Studio
• Worked on IDE’s such as Eclipse/MyEclipse and WSAD/RAD for developing, deploying and debugging the applications. Experience in developing applications using frameworks like Struts, Hibernate and Apache CXF.
• Good experience in log4J implementation for persist the data into log files and experience with Ant and Maven for the build and deployment of applications
• Experienced in a fast paced Agile Development Environment including Test-Driven Development (TDD) and Scrum. Hands-on experience with Reporting Tool Crystal Reports to create reports in various formats and tuning the performance.
• Part of Scrum, Sprint review, Retrospection and Virtual Closure meetings as a part of AGILE.
• Experience in using Integration tools like Jenkins, Cruise control.
• Experience in developing test cases and test plans besides involving in Unit testing, Integration testing and User Acceptance testing extensively.
• Highly self-motivated and goal oriented team player with strong analytical, debugging, problem solving skills. Diversified knowledge and ability to learn new technologies quickly.

TECHNICAL SKILLS:

J2EE Technologies: Java, EJB, JSP, Servlets, Swing, Java Beans, Java Server Faces (JSF), Hibernate, Spring, JDBC, NodeJS, SOA, JAX-WS and JAX-RPC

Web Technologies: HTML, JavaScript, CSS, Ajax, JQuery, AngularJS, BackboneJS

Web Services: SOAP, RESTful

Application Server: WebLogic, JBOSS, IBM WebSphere

Web Server: Java Web Server, Apache Web Server, ANT, Tomcat

Languages: JAVA, C, C++, UNIX.

Databases: Oracle 8.x/9i/10g Enterprise Edition, MS-SQL Server 2008/2005, DB2, MongoDB

Tools: Rational Rose, Eclipse, MS-Office, Jenkins, Log 4J, AWS, ANT, WSAD, Maven, MyEclipse, MS Project, Net Beans.

Operating Systems: UNIX (Sun Solaris), Unix-HP, Linux, UNIX Scripting, Windows NT, Windows 95/ 98/2000.

Reporting Tool: Crystal Reports

Version Control Tools: SVN, Clear Case, Git

WORK EXPERIENCE:

Confidential, Sacramento, CA

Java Full Stack Developer

Responsibilities:

• Involved in programming, testing, debugging, implementing and maintaining of Java EE client/server distributed application to meet the organization’s needs.
• Involved in the preparation of use case, sequence diagrams, class diagrams, activity diagrams etc. using Rational Rose. Involved in developing reusable core libraries using core java Classes and Interfaces.
• Architected, designed and implemented a SPA (Single Page Application) in AngularJS which consume JSON from a Spring MVC, using Spring Security to secure the Application
• Implemented nested views and routing using AngularUI Router as per the requirement. GUI was developed using JSP, HTML, and AngularJS and created reusable components in AngularJS using Custom Directives Filters, Services and Partials.
• Exposed Stateless session beans as RESTful web services using JAX-RS. Implemented Angular promises to handle asynchronous communication with our Rest API for various requirements.
• Developed pages using AngularJS directives, expressions, routing capabilities for bookmarking, filters, validations and AngularUI components such as grid, buttons, carousels, date pickers, modal dialogs and other input components.
• Defined new validations through AngularJS for the form field validation implemented through HTML5.
• Mainly involved in development and maintenance of the website using HTML5, CSS, Ajax, jQuery, JavaScript, AngularJS and Node.js.
• Successfully identified the performance bottlenecks and improved the performance by parameter HQL Query Tuning as well as Application Tuning.
• Build Rest services using NodeJS and ExpressJS and used a full complement of Express, AngularJS, NodeJs, and MongoDB to store and present assessments
• Developed different reports in JavaScript by implementing the AngularJS SPA framework and common packages for the application using Generics.
• Extensively used Java concurrency features like ThreadPool executor, Future and Callable to parallel process the securities.
• Configured Java Messaging Services (JMS) on WebSphere Server using Eclipse IDE.
• Developed queues using AWS SQS with JMS for services to subscribe and listen events. Implemented logic to listen and to subscribe events.
• Familiar with MongoDB write concern to avoid loss of data during system failures and implemented read preferences in MongoDB replica set.
• Involved in writing queries, stored procedures and modifications to existing database structure as required per addition of new features.
• Created ant build files to create the EAR and WAR files and involved in development of CPRS system using the Spring MVC framework. Involved in development of Hibernate objects in order to persist data into the database.
• Involved in writing SQL scripts and creating backend database table for complex business operations. Participated in building web-services using SOAP that allowed integrating the business application with the legacy applications and also facilitates for future applications.
• Developed a production Node.js application with Express module and persisted user information in MongoDB using Mongoose ORM, Node JS to manage dependencies, and ExpressJS to quickly build a modular server code-base.
• Worked on MongoDB concepts such as locking, transactions, indexes, sharding, replication, schema design. Involved in configuring WebSphere servers, database connections and participated in back-end Database programming using Oracle and developed SQL Queries using Toad for SQL Server.
• Used AngularJS Routing for navigation between nested HTML views in the application and created AngularJs custom directives that were used along with HTML elements for DOM manipulation.
• Used Log4j API for logging in development, testing and production environments, configured to send email notifications.
• Created Spring MVC components like Dispatch servlets, configure Request mapping annotation controllers, view resolver components and implemented transaction management using Spring declarative transaction management with Spring AOP concepts.
• Implemented version controlling using SVN and used Jenkins for continuous integration. Wrote build & deployment scripts using Ant, Maven on UNIX environment.
• Used GIT for version control and used eclipse as the IDE for developing the application, Used Rational Clear Quest for defect fixing. Involved in guiding, mentoring new contractors to understand the application
• Co-ordinated with QA lead for development of test plan, test cases, test code and actual testing responsible for defects allocation and resolution of those defects

Environment: J2EE, JDK, HTML, CSS, Ajax, AngularUI, jQuery, ExpressJs, JavaScript, AngularJS, Node.js, Bootstrap, Oracle, Spring, Hibernate, PL/SQL, AWS, Web Services (SOAP), JMS, RESTful, Multithreading, WebSphere, Apache, Maven.

Confidential, Columbus, OH

Java/J2EE Developer

Responsibilities:

• Designed application modules, base classes and utility classes using core java and implemented web services (WSDL) and effectively worked with SOAP, XML, XSLT.
• Build this application using springeasy as a REST API server and BackboneJS as a single application. Built rich prototypes and applications using Backbone.js.
• Designed User Interfaces using JSP, JQuery, CSS, HTML, Bootstrap, NodeJS, Less CSS and Lodash for front end view as per the requirements that are provided.
• Used spring validation and wrote validation rules. Developing customer facing software for managing advertisements using BackboneJS.
• JQuery library, BackboneJS has been used for creation of powerful dynamic Web Pages and web applications by using its advanced and cross browser functionality.
• Designed dynamic web pages using JSP, HTML, CSS, JavaScript, JQuery and BackboneJs for single page applications. Developed customized directives which could be reused by all teams.
• Involved in developing code for obtaining bean references in spring framework using Dependency Injection (DI) or Inversion of Control (IOC) using annotations. Used BackboneJS to optimize in-browser use and to load the module and to improve the Speed.
• Implemented Service Oriented Architecture (SOA) using JMS for sending and receiving messages while creating web services
• Worked on creating various types of indexes on different collections to get good performance in MongoDB and created documents in MongoDB.
• Designed and developed RESTful web services to support JSON for other developers to access to speed up development using Spring Batch, Spring MVC, Spring Web Services, JSON, Log4J, RESTful, POSTGRESql and Maven.
• Implemented the application following the J2EE best practices and patterns like Singleton, Factory, Session Façade, Spring MVC and DAO. Used BackboneJs for Fetching Data from the Server by giving URL to get JSON data for model and to populate model from the server.
• Migrated MongoDB systems from No-SSL authentication to SSL authentication using certificates and performed CRUD operations like Update, Insert and Delete data in MongoDB.
• Developed business components using Java Objects and used Hibernate framework to map the Java classes to the database.
• Used Hibernate, object/relational-mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with a SQL-based schema.
• Developed Hibernate DAO classes and with the spring frame work manager classes retrieve and save the data from the database.
• Worked on the modernization of a legacy and outsourced UI using Backbone.js, Require.js, and JQuery. Used JS framework such as BackboneJS for heavy DOM Manipulation.
• Implemented Spring ORM with Hibernate taking advantage of Java features like annotation metadata, auto wiring, and generic collections.
• Developed payment flow using AJAX partial page refresh, validation and dynamic drop down list. Implemented Maven Script to create JAR, WAR, EAR & dependency JARS and deploy the entire project onto the WebLogic Application Server
• Utilize in-depth knowledge of functional and Technical experience in Java/J2EE and other leading-edge products and technology in conjunction with industry and business skills to deliver solutions to customer.
• Implemented Log4j for logging purposes and debug the application. Prepared Junit test cases and executed the test cases using Junit in eclipse.
• Involved in bug fixing during the System testing, Joint System testing and User acceptance testing.

Environment: J2EE, JSP, JavaScript, JDK 1.6, UML, Eclipse, Oracle, WebLogic Application Server 10.3, UNIX, JSP 2.0, SOAP, SOA, Spring 3.0, Spring MVC, Hibernate, RESTful, XML, CSS, HTML, Junit 4.4, SVN, Log4j, MongoDB, BackboneJs, Oracle10g, Jenkins, UNIX, Ant 1.8, Maven.

Confidential, New Haven, CT

Java Developer

Responsibilities:

• Involved in requirement analysis, component architecture design and sequence activity diagrams for the necessary Service Components.
• Played an active role in development as part of which developed JSP, Servlets and EJB and gathered information from Architect and Business Analysts to design Functional Specifications.
• Performed Requirement Gathering & Analysis by actively soliciting, analyzing and negotiating customer requirements and prepared the requirements specification document for the application using Microsoft Word.
• Developed use case diagrams, business flow diagrams, activity/state diagrams and adopted J2EE design patterns like Service Locator, Session Facade and Singleton.
• Developed advanced JavaScript modules such as capture visitor information, browser version, button animation, and timing object. Extensively used JSTL tag libraries. Used JSF Frame Work for front- end design
• Involved in meetings handled by Architect to review the Design Documents of the Project. Designed and developed Servlets to communicate between presentation and business layer.
• Developed Persistence Framework consisting of components like Persistence Code Generator, Persistence Manager and Data Access Objects which hides JPA complexities and offers transparent access to database.
• Configured faces-config.xml and applicationcontext.xml for JSF and Spring AOP Integration and developed GUI policy forms implementing JSF-lifecycle.
• Involved in developing business components using EJB Session Beans and persistence using EJB Entity Beans.
• Developed test harness to test the web services which helps test teams to test web service components independently using various request and response xml.
• Followed Spring MVC Framework for the development of the project and used Spring Security to provide authentication, authorization, and access-control features for this application.
• Use of Agile Methodology for development and involved in development RESTful Web Services.
• Implemented MVC Architecture, integrating JSF with spring framework. Involved in design and development of JSF Modal Dialog boxes.
• Developed and debugged servlets and EJB with WebLogic Application server and developed EJB components to implement business logic using session and message bean.
• Developed Application Client that handles basic customer and registration administration for the Master piece application. Used AJAX for implementing part of the functionality for Customer Registration, View Customer information modules.
• Developed Admin Class, EventHandle Class, DataModel Class that creates the user interface and for handling action events.
• Developed Session Beans to implement business logic, which uses Entity Beans to make database calls. Used LDAP server for user authentication, developed necessary interfaces and implemented programmatic security system
• Configured the WebLogic application server and deployed the web components and performed code reviews of all changes to be migrated to Production.
• Used JSF framework in developing user interfaces using JSF UI Components, Validator, Events and Listeners.
• Created Dynamic Web Pages using JSP, CSS, and JQuery. Developing dynamic menu using XSLT which will run on XMLs in order to transform to required form.
• Implemented using Log4J for logging errors, debugging and tracking. Resolving Customer Problem on Web Application.
• Worked with SVN to maintain a control over the source. Used Maven build tool for compiling and packaging the application and compiled the project assemblies using MAVEN and deployed it with ANT script.
• Created Unit Test cases using JUnit framework and unit tested the developed components.
• Involved in Knowledge sharing sessions with the team for better understanding and maintenance of the system.
• Worked with configuration management groups for providing various deployment environments set up including System Integration testing, Quality Control testing etc.

Environment: Java 1.6, JavaScript, Spring, JQuery, HTML, DHTML, CSS, AJAX, JSP, RESTful, Servlets, Java Server Faces (JSF) EJB 3.0, JUnit, Log4J, XML, XSLT, SQL, PL/SQL, Oracle 10g, WebLogic, ANT, Agile, Maven, SVN.

Confidential

Java Developer

Responsibilities:

• Involved in various SDLC phases like Design, Development and Testing. Interact with business managers to transform requirements into technical solutions.
• Designed the application using the J2EE design patterns such as Session Façade, Business Delegate, Service Locator, Value Object and Singleton.
• Configured Spring to manage Actions as beans and set their dependencies in a Spring context file. Developed presentation tier as HTML, JSPs using Struts 1.1 Framework. Used AJAX for faster page rendering.
• Developed General Ledger module, which streamlines analysis, reporting and recording of accounting information. General Ledger automatically integrates with a powerful spreadsheet solution for budgeting, comparative analysis and tracking facility information for flexible reporting.
• Developed client-facing Struts web applications by creating and modifying Java classes, JSPs, Struts Delegates and DAOs, AJAX.
• Implemented the MVC architecture using Struts framework. Developed various Action Classes that route requests to appropriate handlers, Coded Struts Action Servlets to process requests and forward to Struts Action classes.
• Developed JSP and Java Helper classes for In-patient and out-patient Information. Wrote Actionclasses, RequestProcessor, BusinessDelegate, BusinessObjects, ServiceClasses and JSP pages.
• Application integration with Spring Web Services to fetch data from external Benefits application using SOA architecture, configuring WSDL based on SOAP specifications and marshalling and un-marshalling using JAXB
• Developed web pages using Servlets and XML for various modules and involved in environment set up with Ant, Eclipse, JBoss and SQL Server 2005.
• Used Oracle as the backend database and wrote PL/SQL packages, stored procedures, views and functions at the Oracle database.
• Designed generic database Connection Pooling with JDBC using Oracle and involved in the SQL query optimization. Developed the components for parsing XML documents using SAX and DOM parsers.
• Involved in developing code for obtaining bean references in spring framework and used Spring MVC to implement the Model View Controller pattern. Used Spring IoC to inject data into Java beans.
• Developed project in Eclipse IDE and created DB interactions using Hibernate. Provided management with technical documentation for Java applications using MS Visio and MS Word.
• Worked on JDBC for data persistence and prepared high and low level design documents for the business modules for future references and updates. Deployed the application in JBoss Application Server in development and production environment.
• Implemented CVS as Version control system and used Maven as a build and dependency management tool to manage various dependencies.
• Used ANT as build tool and Junit for writing Unit tests.
• Involved in the functional test of the application and tested Java applications using Functional Testing, JBoss and log statements. Code Walkthrough/ Test cases and Test Plans.

Environment: CoreJava, J2EE, JSP, Struts, Servlets, Spring, Hibernate, JDBC, Oracle 8i, AJAX, XML, ANT, Junit, CVS, Maven and JBoss Application Server

Confidential

Java Developer

Responsibilities:

• Involved in gathering and analyzing system requirements.
• Played key role in the high-level design for the implementation of this application.
• Developed the Training and Appraisal modules using Java, JSP, Servlets and JavaScript.
• Developed UI using java swings.
• Created tables, views, Types, triggers, complex join queries, stored procedures, and functions and modifications to existing database structure as required for addition of new features
• Involved in Designing the Database Schema and writing the complex SQL queries.
• Involved in Code reviews for other modules developed by peers.
• Designing and establishing the process and mapping the functional requirement to the workflow process.
• Accessed stored procedures and functions using JDBC Callable statements.
• Executed and coordinated the installation for the project.
• Worked on web-based reporting system with HTML, JavaScript and JSP.

Environment: Java, Jdk 1.3, J2EE (JSP, Servlets, EJB), JDBC, Apache Tomcat, Web portal, oracle, HTML, DHTML, SQL and JUnit.