SUMMARY:

• Around 9+years of professional experience in designing, developing and testing internet/intranet Web - based applications, Client/Server applications in N-Tier J2EE Architecture.
• Expertise through all parts of Software Development Life Cycle ( SDLC ) in developing web applications using JAVA, J2EE, EJB, Web services, SOA, SOAP, RESTful etc.
• Experience in developing scalable, reliable and efficient enterprise applications using Java, Spring, Struts, Hibernate, Web Services, Restful, JSF, JDBC, JSP, Servlets, EJB, JMS,Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services,JNDI,Multi-Threading, Data structures,XML,VXML, XSLT, JAXBSQL,PL/SQL, Unix Shell scripting.
• Expert Level Skills in Java, JDBC, JavaBeans, Spring Frameworks, Hibernate, Struts, JSP, JavaScript, JFC, Servlets, EJB, and GWT.
• Experience in frameworks like SpringMVC/IOC/ORM/JDBC/AOP/Context/Security and Struts (MVC architecture, interceptors, action mappings and resource builders) and JSP.
• Implemented the view layer using JSP, Servlets as Controller using Struts MVC, Business layer using Spring 4.0(IOC, AOP), and persistent layer using DAO and Hibernate 4.0.
• Good knowledge on NOSQL Data bases such as MongoDB, Cassandra and Cache database.
• Excellent knowledge on CQL ( Cassandra Query Language), for obtaining the data present in Cassandra by running queries in CQL.
• Involved in converting Cassandra/Hive/SQL queries into Spark transformations using Spark RDDs, and Scala.
• Wrote SQL complex queries in a package that automates the rebuild of an XML table in Oracle.
• Developed multiple POCs using Scala and deployed on the Yarn cluster, compared the performance of Spark, with Cassandra and SQL.
• Experience in upgrading and migrating various versions of Mongo DB on different platforms.
• Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases.
• Experience working with Service Oriented Architecture (SOA) and Enterprise Service Bus using WSDL.
• Expertise in Microservices to communicate through HTTP protocol for implementing SOA approach.
• Experience in Integration of Amazon Web Services AWS with another applications infrastructure.
• Good experience in using Amazon Web Services (AWS) and AWS SNS/SQS for delivering messages.
• Developed micro services using Spring MVC, Spring Boot, Spring Cloud, Spring AOP, Dependency Injection and JPA.
• Possess expertise in designing and developing web and mobile applications using HTML 5, CSS3, Less, Sass, JavaScript, JQuery, NodeJs, AngularJS. Skilled at progressing from problem statement to well documented designs.
• Experience in developing Web-Centric applications using ReactJS,AngularJS, BackboneJS, ExtJS, NodeJS, JavaScript, JQuery, CSS3.
• Expert level skills on JQuery, JavaScript, VBScript, Perl, AJAX, Adobe Flex, Action Script, JSON, HTML, DHTML, CSS, Tiles, Tag Libraries.
• Good knowledge of developing GUI based application using Swings and Java Applets.
• Excellent experience with major relational databases - Oracle 9i/10g/11g, SQL Server 2000/2005/2008, DB2, MySQL.
• Extensive development experience in different IDE's like Eclipse 3.x, Jbuilder 9.x/8.x, WSAD 5.x, IBM RAD and Altova XMLSpy.
• Used Web Sphere Application Server, Web Logic Application Server, JBoss and Apache Tomcat in all my projects and successfully deployed and compiled many of the applications on them.
• Hands on experience with build tools like ANT, Maven and logging tools like Log4J.
• Expertise in unit-testing with JUnit using tools like JMeter.
• Experience in Agile software development process, Test Driven Development and Scrum methodologies.
• Proficient in applying design patterns like MVC, Singleton, Session Facade, Service Locator, Visitor, Observer,Decorator, Front Controller, Data Access Object.
• Expertise in using Design patterns and object oriented methodologies to design software for Mobile Application.
• Experience in Developing GUIs using Eclipse RCP/SWT and Core Java Design patterns.
• Good Experience in software configuration management using CVS, GIT and SVN.
• Knowledge on Build tool Jenkins with configuring check styles, Test coverage.
• Experienced with Splunk tool for production support.
• Involved in Scrum, Sprint review, Retrospection and Virtual Closure meetings as a part of AGILE.
• Strengths include excellent interpersonal and communication skills, the ability to provide solutions from a functional and technical perspective, meet deadlines, quickly build client rapport and be a team player.

TECHNICAL SKILLS:

Languages: JAVA 8.0/7.0/6.0, UML, XML, SQL, PL/SQL

Frameworks: Spring 4.x/3.x/2.x, Hibernate 4.0/3.0, Struts 2.0/1.2

Web Technologies: Angular JS, React JS, Node JS,Bootstrap, jQuery, Html, JavaScript, CSS, AJAX

Database: Cassandra, MongoDB, Oracle, DB2, MySQL, NoSQL.

J2EE: Servlets, JSP, JSTL, JMS1.1, JDBC, JUnit, JNDI Web Services, XML, JAXB, DOM, SAX, Java Mail, Multi - threading, JTA.

Testing Frame Works: JUnit, JMeter, EasyMock, Mockito.

Tools: UML, Rational Rose, Splunk, SQL Developer, TOAD, Hudson, Log4J, SOAPUI, Rest Client UI, Postman, Grunt.

Web Services: JAX-WS, JAX-RPC, JAX-RS, SOAP, WSDL, UDDI, REST, Microservices

Operating Systems: Unix, Linux, Windows, MAC

Web/AppServers: JBoss, Tomcat, WebSphere, WebLogic9.x/10. x.

IDEs: Eclipse, Spring Tools Suite, NetBeans.

Methodologies: Waterfall Model, Iterative, Agile, Test Driven Development (TDD), OOAD, SDLC.

Version Control Systems: CVS, SVN, GitHub,Clearcase, CVS, WinCVS, TortoiseCVS, CVSNT.

Build Tools: ANT, Maven, JENKINS.

Mark upLanguage s: HTML5, CSS3, DHTML, XHTML, XML, XSLT.

PROFESSIONAL EXPERIENCE:

Confidential, New Jersey

Sr. Java Full Stack Developer

Responsibilities:

• Actively involved in mock screens development and project start-up phase.
• Efficiently managed the tasks and working and delivering features in a fast-paced scrum environment
• Experience working in Agile development following SCRUM process, Sprint and daily stand-up meetings.
• Involved in developing the UI, layout and front-end programming for web application that matches requirements of the client.
• Developed UI Layer for the application using AngularJS, HTML5, JavaScript, Bootstrap and CSS3.
• Developed Angular directives, controllers, services, filters, and templates for the web MVC development.
• Involved in building a single page and cross browser compatible web application using Angular-JS (Angular routing) and Bootstrap.
• Followed Java & J2EE design patterns and the coding guidelines to design and develop the application.
• Worked with advanced MVC framework such as Spring-IOC, AOP, MVC and Batch which is used for implementing backend functionality.
• Extensively used various Spring Framework modules like MVC, Auto Wiring, JDBC Templates, Spring Security, and AOP.
• Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• Participated in coding Spring AOP components for the Logging, Exception handling and Transactional Model to handle many requests.
• Developed application using new features of Java 1.7/ 1.8 like Annotations, Generics, enhanced for loop and Enums etc.
• Support & Enhancement to the existing implementation of correspondence components which are developed using EJBs, JPA and Web Services / JMS Technologies.
• Used Hibernate, object/relational-mapping (ORM) solution, technique of mapping data representation from MVC model to Oracle Relational data model with SQL-based schema.
• Used Hibernate Transaction Management, Hibernate Batch Transactions, and Hibernate cache concepts.
• Involved in development of new functionality of WebSphere commerce, Java, J2EE and WebSphere MQ.
• Wrote SQL queries, stored procedures and enhanced performance by running explain plans.
• Used Design patterns and object oriented methodologies to design software for mobile phones (mobile application).
• Designed and developed Microservices using REST framework and Spring Boot
• Used a Microservice architecture, with Spring Boot-based services interacting through a combination of REST and Apache Kafka message brokers
• Implemented Authentication & Authorization with Site Minder and spring security.
• Worked within SOA based enterprise framework to build web services for Middle Tier processing.
• Analysed current legacy infrastructure, established business case, and built consensus for virtualized IaaS / PaaS near term strategy with SaaS mobile cloud services end state.
• Developed SOAP based web services using WSDL, SOAP, JAX-WS and AXIS.
• Produced as well as consumed RESTful web services using Jersey API's.
• Heavily used SOAP UI Pro version for testing the Web Services.
• Developed several SOAP based JAX-WSWeb Service interfaces for integrating multiple systems, code re-usability.
• Developed Maven scripts and developed builds using Maven and continuous integration servers like Jenkins.
• Wrote SQL complex queries and JOINS in a package that automates the rebuild of an XML table in Oracle.
• Fixed defects identified during QA, UAT and Production.
• Written highly referenced blog posts on Error Handling in Scala and Problems Scala Fixes.
• Done with Web logic application server set up & deployed the application on it.
• Worked with GIT which is used as a version control tool in the project.
• Done with Unit testing using JUnit and Mockito.
• Ensured Agile, JDE & Oracle Databases are in sync.
• Create & distribute weekly Reports and followed upon Change Activity; managed released documents and maintain server database.

Environment: Web Services, Spring 4.x, Hibernate 4.x, JDBC, HTML, JSP, JavaScript, JQuery, AJAX, GWT, CSS, Angular JS, SOAP UI, XML, WSDL, Java1.7/1.8, J2EE, Scala, Kafka, Agile Methodology, JIRA processes, GIT, Design Patterns, PL/SQL, Junit, Tomcat 8.0, Maven, Eclipse IDE, CVS and Oracle 11g.

Sr. Java/J2EE Developer

Responsibilities:

• Designed and developed code for Exchange project using the Java EE platform.
• Actively involved in Analysis, Design, Development, System Testing and User Acceptance Testing. Successfully followed agile methodology in the Scrum Cycle model.
• Used Java-J2EE patterns like Model View Controller (MVC), Business Delegate, Data Transfer Objects, Data Access Objects, factory patterns.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection).
• Extensively used MVC, Factory, Delegate and Singleton design patterns.
• Implemented SOA to develop REST Based Web services using Apache Axis.
• Developed REST Web Services clients to consume those Web Services as well other enterprise wide Web Services.
• Designed and Developed Presentation Tier using Spring MVC and JSP integrating Custom Tags, JSTL, JSP Expression Language and AJAX.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development
• Used Spring MVC Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache concepts.
• Modified the Spring Controllers and Services classes so as to support the introduction of spring framework.
• Used Spring Framework AOP Module to implement logging in the application to know the application status.
• Worked on Spring Quartz, form based authentication with Cross-Site Request Forgery CSRF token and secured REST endpoints with HTTP Basic authentication
• Worked on Spring Quartz functionality for scheduling tasks such as generating monthly reports for customers and sending those mails about different policies.
• Deployed Spring Boot based micro services Docker container using Amazon EC2 container services and using AWS admin console.
• Used DAO pattern to fetch data from database using Hibernate to carry out various database.
• Developed various generic JavaScript functions used for validations.
• Used SOAP UI for testing the web services.
• Developed Application to asses JSON and XMl from Restful web service from consumer side using AngularJS.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Designed and Implemented REST web services using JAX-RS, Spring REST.
• Used Java Message Service (JMS) for reliable and asynchronous exchange of important information for status report.
• Developed various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) and Redux library.
• Worked with Swing and RCP using Oracle ADF to develop a search application which is a migration project.
• Wrote Scala classes to interact with the database.
• Used Source Tree for Git (Subversion tool).
• Used Hibernate Transaction Management, Hibernate Batch Transactions, and Hibernate cache concepts.
• Defined MultiAction, AbstractWizardForm and SimpleForm Controllers using Spring MVC framework providing very clean division between controllers, flexibility with the use of interfaces and providing thin web layer over business layer.
• Developed screens using JSP, JavaScript, AJAX and Ext JS.
• Developed entire user interface using various Ext JS components like Form panels, Tab panels, View port and Editable grids.
• Used JENKINS to build and deploy the code in Dev and SIT environments.
• Deployed the application Code to various Remediation engines using JENKINS.
• Used AJAX extensively to implement front end /user interface features in the application.
• Implemented SOA to develop Web services using Apache Axis.
• 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.
• Developed unit test cases using Mockito framework for testing accuracy of code and logging is done using SLF4j + Log4j.
• Wrote complex SQL Queries using multiple joins for creating reports using Report builder based on the requirements.
• Managed and maintained NoSQL (MongoDB) databases in production domain.
• 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.
• Focused on Test Driven Development (TDD) thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality.
• Configured the Web sphere application server to connect with DB2 and SQL Server in the back end by creating JDBC data source and configured MQ Series with IBM RAD and WAS to create new connection factories and queues.
• Extensively worked on TOAD for interacting with data base, developing the stored procedures and promoting SQL changes to QA and Production Environments.
• Used Apache Maven for project management and building the application

Environment: Java/J2EE, Spring 3.x, Hibernate 4.x, React JS, HTML, XML, AJAX, CSS, JavaScript, SOAP UI, GIT, MAVEN, PL/SQL, NOSQL, Mongo DB, Application Server 7.0, WID 6.1.2, Rational Application Developer 7.5, Web Services, Apache Axis, Apache Tomcat 7.0, Scala, Agile Methodology,JAXB, JSP, RAD.

Java Developer

Responsibilities:

• Involved in the phases of SDLC including Requirement collection, Design and analysis of Customer specification, Development and Customization of the application.
• Involved in preparing the project schedule, Project status report, responsibility assignment matrix, risk management and critical path analysis.
• Worked on Media Queries as a complement to the Grid System of UI Bootstrap to facilitate the implementation of the responsiveness.
• Creating Web Services to handle data from Client Web Portal to the actual ASPEN System.
• Responsible for design and implementation of various modules of the application using Struts-Spring-Hibernate architecture.
• Developed applications that served desktop and mobile clients with minimal code changes to the JavaScript frameworks such as React JS.
• Used Angular JS as the development framework to build a single-page application.
• Responsible for writing Struts action classes, Hibernate POJO classes and integrating Struts and Hibernate with spring for processing business needs.
• Struts Tag Libraries and Struts Tiles Framework were used in addition to JSP, HTML, AJAX and CSS in developing the presentation layer.
• Called web services with REST through Angular JS services to get XML file data and modified the response data to display in UI.
• Developed Plugins to integrate Java components with ETL Components
• Used Bootstrap Framework to make website more responsive and support different screen size devices.
• Experienced in using assistant tools such as Git to access the code repository.
• Implemented as well as exposed web services using Apache Axis and JAX-WS.
• Used NoSQL MongoDB to provide recommendations on Performance tuning for applications.
• Used Web Services to exchange product and customer order information.
• Used Struts Validation Framework for dynamic validation of the user input forms.
• Worked in agile methodology for Test Driven Development.
• Used Grunt to generate compiled JavaScript libraries.
• Wrote MongoDB client to receive data from AMC for Companies.
• Worked within SOA based enterprise framework to build web services.
• Used various Core Java concepts such as Multi-Threading, Exception Handling
• Worked on Front- end development of Admin portal of Margin Calculator.
• Designed user interface for Algo legacy portal for admin and users to interact with system using jQuery, JSON, JavaScript, HTML5, and CSS.
• Designed pages using Angular JS Forms, Validations, Modules, Events, Expressions, Directives, Controllers and filters.
• Used Grunt to build processes inside the project to Minify the code so it loads faster in the browser.
• Used Ajax, JavaScript for the margin calculator web interface.
• Worked with POJO for handling data coming from the legacy systems.
• Designed and implemented Oracle 10g database to record the collateral securities and settlement data.
• Used the Node.js and Angular.js, D3.JS MVC Frameworks in the development of the web applications.
• Designed and implemented Spring ORM module to integrate Hibernate.
• Used Struts2 to implement the presentation layer of the Algo Collateral Security Management System.
• Worked on Apache 7.0 TOMCAT Application Server for implementing SOAP web services.
• Produced the report data on the client Front-end using JavaScript, HTML5, CSS3 and client side validation through JavaScript and Ajax for asynchronous communication.

Environment: Core Java/J2EE, Java swing, Spring framework, Spring MVC, Spring Batch Process, Servlets 2.3, JDBC, AJAX, JDK 1.4,Angular JS, Node JS, Web services, SOAP, XML, Altova XML WebSphere Process Server, Spy, Java Beans, XStream, Apache POI, JQuery, JavaScript, Web Sphere, Oracle 10g, WebSphere 7.0, Design Patterns, JDeveloper, SVN, PL/SQL, Tortoise SVN, JDK 1.6,UNIX, Apache Maven, ANT, Windows XP, JUnit, Html Unit, XSLT, HTML/DHTML.

Java/J2EE developer

Responsibilities:

• Collaborate closely with business owners, users, project managers, requirements analysts, testers, and other stakeholders in the software development process
• Middle tier development using Java in a J2EE environment
• Developed the presentation layer written using JSP, HTML, CSS and client-side validations were done using JavaScript, jQuery, and JSON.
• Designed a responsive website using Bootstrap grid system to layout contents that fit different devices including mobile, tablet and desktop.
• Created connections to database using HibernateSession Factory, using Hibernate APIs to retrieve and store images to the database with Hibernate transaction control.
• Migrated the Servlets to the Spring Controllers and developed Spring Interceptors, worked on JSPs, JSTL, and JSP Custom Tags.
• Created a NoSQL styled framework in Java for use in their minified version of the member site.
• The front-end JSP pages were developed using the Struts framework, and were hosted in a J2EE environment on an Apache tomcat server.
• Developed and flexible, scalable, utilizing open source technologies like Hibernate ORM and Spring Framework.
• Used Bootstrap for making the pages responsive with the changes in User Interfaces.
• Implemented Grunt to build minified application and deploy.
• Used BEA WebLogic as the Application Servers and Apache Web Server 2.0.
• Designed a responsive website using Bootstrap grid system to layout contents that fit different devices including mobile, tablet and desktop.
• Customize the Shindig code to meet the project requirements. Shindig is an open source framework for web based application.
• Designed and Developed Web Services using technologies UDDI, WSDL, SOAP to communicate to the other modules.
• Estimate effort for completing new features, enhancements, and defect fixes
• Participate in design review and code review activities of the team.
• Participate in build script (UNIX shell script) preparation and release management.
• Deployment activities involved in Jetty and Apache Tomcat web servers
• Performed application development using tools like Intellij, JUNIT,Clear Case and ANT for building application.
• Maintain and monitor the web services in production and act as a primary support for any issues coming out of these web services.

Environment: Java/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, JQuery, JavaScript, Oracle 10g, IBM RAD, Websphere 7.0, Agile Methodology, CVS, Apache Maven, JUnit, Html Unit, XSLT, HTML/DHTML.

Java/ J2EE Developer

Responsibilities:

• Collaborate closely with business owners, users, project managers, requirements analysts, testers, and other stakeholders in the software development process
• Middle tier development using Java in a J2EE environment
• Developed the presentation layer written using JSP, HTML, CSS and client-side validations were done using JavaScript, and jQuery.
• Used IBM WebSphereas the Application Servers.
• Estimate effort for completing new features, enhancements, and defect fixes
• Participate in design review and code review activities of the team.
• Used the Agile methodology to develop the application.
• Coordinated the activities between onshore and offshore.
• Developing web-tier using struts framework.
• Creating custom tags for JSP for maximum re-usability of user interface components.
• Testing and deploying the application on Tomcat.
• Maintaining the database required for report generation.

Environment: Core Java/J2EE, WebSphere Process Server, JSP, Struts, Spring, OOAD, Oracle 9i, HTML, EJB3, CSS, JSP, jQuery, JavaScript, AJAX, JMS, XML, Design Patterns, ANT, Tomcat, Rationale Rose, IBM RAD IDE, IBM WebSphere Application Server 6.1, Hibernate 3.0, LOG4J, SVN, TOAD, JUNIT, UML.

Java Developer

Responsibilities:

• Implemented the business logic for EMS- FM using spring and Hibernate.
• Designed the WSDL for Data transfer between various platforms.
• Consumed SOAP based web services, created stubs using Apache Axis.
• Built the ETL (Extraction-Transform-Load) model using XML and Java.
• Performed the code reviews for the features developed by the scrum.
• Conducted the SQL performance analysis on Oracle 11g database tables and improved the performance by SQL tuning.
• Developed JMS based customized Queuing System for fault preferences.
• Developed Notification mechanism for Inter component communication.
• Developed Query Engine Module using EJB 2.1.
• Proficient in XML for data parsing using JAXB and JAXP.
• Tested performance across platforms using SOAP UI.
• JProfiler was used to profile the code and increase the no of notifications per second to 300 ps.
• Implemented the modules using TestDrivenDevelopment.
• Designing Automated test cases using Python 2.7 in open source framework Django 1.2.
• Worked across time zones in a global environment.
• CRUD operations for all the License APIs.
• Played an important role in Architecture design.
• Junit test cases for all the APIs and business logic.

Environment: Java/J2EE, WebSphere Process Server, Struts, Tiles, JAXB, JAXP, EJB, JMS, Servlets, JSP, JDBC, HTML, CSS, JUnit, WebSphere, TDD, Eclipse, SQL Server, Subversion, JProfiler, Windows NT