SUMMARY

• Over 8+ years of extensive IT experience in all phases of Software Development Life Cycle (SDLC) which includes analysis, design, coding. development, design, analysis, testing and Integration of various web based and client/server applications in multi - platform environments with JAVA/J2EE technologies.
• Experience in developing applications using SDLC methodologies like Waterfall, RUP, Agile (TDD, SCRUM)and Test-Driven Development.
• Good working Experience in client-side development with HTML, XHTML, CSS, JavaScript, JQuery and AJAX
• Experience with front-end HTML5, CSS, JS,JSON, and XML development is desirable
• Expertise in working with Cutting Edge Technologies like EJB, JMS, JTA, XML with good experience in Developing and Deploying Enterprise Java Beans on Application Servers like Tomcat, WebLogic, WebSphere and JBoss.
• Excellent knowledge of NOSQLon Mongo and Cassandra DB
• Expertise in working with SpringIOC, SpringMVC, SpringJDBC and SpringAOP
• Excellent experience on J2EE design patterns such as Business Delegate, ServiceLocator, Transfer Object, Data AccessObject, SessionFacade, Singleton patterns.
• Expertise in front-end development using JSP, JSTL, HTML, DHTML, CSS, JavaScript.
• Developed User Interface in JSP, JavaScript and HTML with Backbone JS Framework
• Experience in spring module like MVC, AOP, JDBC, ORM, JMS, and Web Services using Eclipse and STS IDE.
• Developed Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
• Hands on experience on MVC frameworks such as Angular JS, Angular2, Backbone JS, Ember JS, ReactJS etc.
• Experience in developing Web based UI’s using JSP, HTML, DHTML, CSS, JavaScript (and its frameworks like JSON), Angular JS, Action Script, DOJO, jQuery, EXT JS and Ajax.
• Developed UI modules using AngularJS, Node.js, React JS, JavaScript, Ajax, jQuery, CSS3 and HTML5.
• Command in ReactJS for creating interactive UI's using Virtual DOM, JSX, React Native concepts
• Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Experience in developing and deploying applications on Cloud Platforms like Amazon Web Services.
• Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, DynamoDB, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Excellent in deploying the applications in AWS as EC2 instances and created snapshots for the data that had to be stored in AWS S3.
• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed reaching one or more EC2 instances.
• Involved in front-end development using Struts, JSP's, React.js, JSF, and JSTL.
• Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
• Expertise in implementing design patterns like Singleton, Factory, Prototype, Business Delegate, Session Facade, Service locator, Visitor, Observer, Decorator, Front Controller and DAO pattern.
• Expertise in developing web pages using HTML5, CSS3, Bootstrap,JavaScript, jQuery, Ajax and AngularJS with web page cross browser compatibility and responsive web design and have knowledge on Server scripting language like Node JS.
• Experienced in developing web-based applications using Java/J2EE,Servlets, Struts (Struts, Tag Libraries and Struts custom validation rules, Tiles), Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, JDBC, Web Services (SOAP & Restful services)and ORM frameworks like Hibernate, iBatis.
• Excellent in developing REST and SOAP based Web Services using JAX-RS, JAX-WS, WSDL, JAX-B, Apache Axis, Apache CXF and Jersey frameworks.
• Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using Active MQ, Rabbit MQ, Kafka as message queue..
• Worked with SQL databases likeOracle, My SQL, IBM DB2andHands onExperience in working with NoSQL Databases like MongoDB, Cassandra to manage extremely large data sets.
• Proficient in writing SQL queries, PL/SQL stored procedures, Triggers and creating business tables.
• Strong front-end UI development skills using scripting languages like HTML5, CSS3,
• JavaScript, JQuery, AJAX, JSON, Ext Js, Angular Js, DOM, JSP, JQuery Plug-ins.
• Expertise in Advanced JavaScript libraries and frameworks such as Prototype, Ext Js, Angular Js, and Object-oriented programing in JS.
• Extensive experience in Cross-browser HTML, CSS JavaScript coding to offer responsive website layouts to modern browsers and mobile devices.
• Extensive experience with CSS3 and leveraging best practices, modifications of existing CSS files to enhance the user experience.
• Intermediate experience with Advanced JavaScript including prototype-based inheritance, AJAX, JSON, and familiar with JavaScript frameworks such as JQuery and JQuery-UI.
• Experience in major web applications servers, including Apache Tomcat, Jboss, and WebLogic.
• Deep understanding of design, development, and implementation of Model-View-Controller frameworks using Struts and Spring MVC.
• Experience in J2EE Software Development Life Cycle SDLC of Business application
• Hands-on experience in working with Junit, Mockito, Selenium, Groovy Spock and TestNG.
• Experienced with deploying applications on to production servers,configuring various parameters of servers like Apache Tomcat,JBOSS,BEA Web logic, IBM Web Sphere.
• Good Knowledge in using Dojo Components and integrating back-end applications with AJAX driven web 2.0 front-end using OO JavaScriptframework.
• Creation of custom components, client libraries, OSGI services, deployments frameworks, querying and connecting to DB using OSGI bundles.
• Actively involved in the DevOps streamlining process through JenkinsCI and CD Release Automation.
• Used version control tools likeTortoiseSubversion(SVN),CVS and Git.
• Experience with and solid understanding of Micro Services.
• Created and consumed Micro Services based on Web API.
• Experience in working with IDE’S like Eclipse, Spring Tool Suite (STS), RAD and Intellij.
• Have extensive experience working on Windows,Linux and Unix Operating Systems.

TECHNICAL SKILLS

Languages: C, C++, Java, J2EE, Python, SQL and PL/SQL

Mark-up/XML Technologies: HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Angular JS, Node JS, XML, XSD, XSL/XSLT, SAX/DOM, DOJO and JSON.

Tools: & Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Boot, JSF, JUnit, Apache CXF, SOAP UI, GWT, Jersey.

Build Automation: ANT, MAVEN, Jenkins, Gradle.

Web services: SOAP, RESTful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Micro services, Apache Axis and Apache CXF.

Cloud Technologies: Amazon Web Services (EC2, SQS, RDS, IAM, S3), Pivotal Cloud Foundry and Spring Cloud.

Web/App Servers: Web Sphere, Apache, Apache Tomcat, JBOSS EAP, Web Logic Server and Apache Camel

Databases: Oracle, SQL-Server, MySQL server, MS SQL, IBM DB2, NoSQL DB like MongoDB and Cassandra.

IDE tools: Eclipse, Net Beans, Spring Tool Suite (STS) andIntelliJ IDEA, RAD, Adobe Dreamweaver.

Modeling/ CASE Tools: Rational Rose and MS Visio Professional.

Testing Tools/ Others: Selenium, TestNG, JUnit, TOAD, Soap UI, Putty, Rational Clear Quest, RTC, Load UI and Mockito.

Version Control: Tortoise SVN, CVS, Rational Clear case, Source Tree and Git.

OS & Environment: Linux, Windows, IOS, MAC OS.

Design Patterns: Singleton, Factory, Prototype, Business Delegate, Session Facade, Service locator, Visitor, Observer, Decorator, Front Controller and DAO

PROFESSIONAL EXPERIENCE

Sr.JAVA/ J2EE Developer

Confidential, Pittsburgh, Pennsylvania

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
• Developed the view-controller components using JSPs, HTML5, CSS3, AJAX, JavaScript (jQuery).
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers(Linux).
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in AngularJS.
• Hands-on experience in developing integration with Elastic search in any of the programming languages like JAVA and JavaScript. Having knowledge of advance reporting using Elastic search and Node JS.
• Hands on experience on MVC frameworks such as Angular JS, Angular2, Backbone JS, Ember JS, ReactJS etc.
• Experience in developing Web based UI’s using JSP, HTML, DHTML, CSS, JavaScript (and its frameworks like JSON), Angular JS, Action Script, DOJO, jQuery, EXT JS and Ajax.
• Developed UI modules using AngularJS, Node.js, React JS, JavaScript, Ajax, jQuery, CSS3 and HTML5.
• Command in ReactJS for creating interactive UI's using Virtual DOM, JSX, React Native concepts
• Implemented core features of AngularJS framework such as dependency Injection, Data-binding, Filters, Directives, Templates, Services and Deep Linking Designing.
• Used Java8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java new features like default, static methods and Concurrency API.
• Used Java Method References feature to point to methods by their names and used functional Interfaces.
• Used Spring MVC framework for implementing Model-View- Controller (MVC) architecture at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced and maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.
• Used Spring Batch for processing large amounts of data like transaction management, job processing, resource management and logging.
• Secured the API's by implementing Oauth2 token based authentication/authorization scheme using spring security.
• Designed and developed third-party Payment services to Offer Users Convenient Payment Methods based on Protocol
• Used Hibernate ORM framework as persistence engine and wrote Hibernate Queries to automate the mapping between Oracle database and Objects in Java.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and accessing them through Java Programs from Oracle Database.
• Worked with MongoDB to store non-relational data into collection and retrieve them whenever required.
• Used WebLogicserver to route our JMS queue messages to different business floors and configured routes in WebLogicand used JMS in e-mail notification.
• Worked on setting up Maven scripts to build, package, and deploy application code to the target WebLogic Application Servers and worked on continuous integration servers like Jenkins.
• Developed the monolithic application and involved in migrating existing monolithic application in to Micro Service Architecture based RESTful Service and deployments were done on AWS.
• Designed and developed Micro Services business components using Spring Boot.
• Developed Restful Microservices using Spring Rest and MVC, for OSS services.
• Hands on Coding to build REST Microservices using Spring Cloud, Oracle, XSD, JSON, Spring Config, Cloud Foundry and Jenkins.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers(Linux).
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with Restful endpoints.
• Involved in creating EC2 instances and installed required configurations and applications on it and created S3 buckets for storing object level data into it.
• Used AWSCloudWatch to monitor the application and to store the logging information.
• Developed API’s to read and publish data from Elasticsearch cluster using native Java Transport client as well as REST client. Worked on Spring Integration with the Elasticsearch
• Focused on Test Driven Development there by creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Performed automation testing and authored test scripts using Selenium Web Driver, Selenium Grid and Junit.
• Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, Maven for build packaging and deployments of the application component.

Java/J2EE Developer

Confidential, madison wisconsin

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed User Interface using JSP, JSTL, HTML, CSS, Java Script, jQuery and AngularJS.
• Used various jQuery UI controls and corresponding Event handlers.
• Involved in building stable React components and stand-alone functions to be added to any future pages.
• Implemented React JS Controllers to maintain each view data.
• Maintaining Parent and child components by using State and Props in React JS.
• Used Spring MVC and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers, they published the business layer as services and injected necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Integrated Spring DAO for data access using Hibernate.
• Used Spring Security for Authentication and Authorization of the application.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Implemented persistence framework using Hibernate Handled Transaction Management using the provided data source.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships.
• Integrated Spring and Hibernate together and worked on developing backend components and services using Hibernate and spring.
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for DB2.
• Worked on Hibernate in Data Access Layer for mapping the java objects to relational database and SQL queries to fetch the data, insert and update the data from the database.
• Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using Restful service.
• Implemented SOA architecture with Web Services using SOAP, WSDL and XML using Apache CXFframework and worked on parsing the XML files using DOM/SAX parsers.
• Created tables, triggers, PL/SQL Stored Procedures, SQL queries, Joins, and views for IBM DB2.
• Implemented Restful and SOAP based Web Services and used Soap UI for testing.
• Used Spring JMS module for lookup for the queues and MDBs for the listeners.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on JBOSS.
• Written LINUX shell scripts to identify user login information.
• Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies that required to be solved in very less time.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Participated in Code Reviews of other modules, documents, test cases.

Java Developer

Confidential

Responsibilities:

• Involved in Requirement Analysis, Design, Development and Testing of the risk workflow system.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC ) that includes Development, Testing, Implementation and Maintenance Support in WATERFALL methodology.
• Created user-friendly GUI interface and Web pages using JSP, HTML, CSS, AJAX, JavaScript andjQuery.
• Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application.
• Responsible for designing, coding and developing the application in J2EE using Struts MVC.
• Implemented Struts framework (Action & Controller classes) for dispatching requests to appropriate classes.
• Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
• Achieved synchronization of multiple threads through Multithreading And Exception Handling.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Developed Struts Action Forms, Action classes and performed action mapping using Struts.
• Developed RESTful and SOAP based Web Services to consume and produce data in XML and JSON.
• Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using Restful service.
• Established Database Connectivity using JDBC for MySQL.
• Written SQL queries, PL/SQL stored procedures and Triggers to fetch and store data from the database.
• Used Log4J for application logging and notification tracing mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components and deployment of the application was on Jetty.
• Prepared JUnit test cases and executed the test cases using JUnit.
• Involved in bug fixing during the System testing, Joint System testing and User acceptance testing.
• Used GIT to check-in and check-out and co-ordinate among team members for Version Controlling.
• Used NetBeans IDE to integrate different frameworks to build applications.