SUMMARY

• Over 8+ years of experience in Object Oriented Programming, design and development of Multi - Tier distributed, Enterprise application using Java & J2EE technologies.
• Well versed with complete Software Development Life Cycle ( SDLC ) using various methodologies like Agile Methodology , Waterfall , and Test-Driven Development.
• Experience with design patterns like Singleton, Factory Pattern, Prototype, Business Delegate, Session Facade, Service locator, and Observer, Decorator, Front Controller, and DAO pattern.
• Expertise in developing UI using JSP, HTML5, CSS3, Java Script, Bootstrap, JQuery, Ajax, Angular JS, React JS and Node.js.
• Extensive experience in multiple Java and J2EE technologies such as Servlet, JSP, JSTL, Spring, Struts, Site Mesh, iBATIS, Hibernate and JPA, XML, XSD, HTML, JavaScript, jQuery, AJAX, JUnit, WSDL, SOAP, Restful Web Services (Rest let), Action Script 3.0
• Developed Web-based enterprise applications using Java/J2EE, Core Java, Servlets, JDBC, Hibernate , Web Services (SOAP and REST) and MVC Framework ( Struts, Spring MVC ).
• Hands on experience with different spring framework modules like Spring Core, Spring AOP, Spring MVC, Spring Batch, Spring Security, and Spring Boot.
• Experience with Java 8 features such as lambda expressions, Streams, Parallel Operations on Collections.
• Experience in developing the application with Service Oriented Architecture ( SOA ) and Micro Services Architecture and Test-Driven Development.
• Hands-on experience on various AWS Cloud services like EC2, Route53, EBS, Auto Scaling, VPC, Cloud Formation, S3, RDS, Amazon Elastic Load Balancing, IAM, Cloud Watch and other services of the AWS infrastructure like Dynamo DB, SQS and EMR focusing on high-availability, fault tolerance and auto-scaling.
• Having Good experience in developing and migrating existing application into cloud-based platforms like Amazon Web Services ( AWS ) and Pivotal Cloud Foundry.
• Expert in Core Java with strong understanding of Garbage Collector, Collections, Multithreading, Event Handling, Exception Handling, and Generics.
• Strong experience in developing and consuming SOAP and Restful based Web Services.
• Expertise in XML technologies like DTD, XSD, XSLT and various parsers like DOM, SAX and JAXB .
• Experience using persistence framework like Hibernate , JPA for mapping java classes with Database and using HQL (Hibernate Query Language).
• Hands-on experience in developing front end using web technologies like JSP, JavaScript, JSF, Custom Tag Libraries, HTML5, CSS3, DHTML, AJAX, jQuery, DOJO, Angular JS, React JS and Node JS.
• Experience with Angular, jQuery, Bootstrap, VBScript, Perl, AJAX, Adobe Flex, Action Script, JSON, HTML, XHTML, DHTML, Tiles .
• Experience with working on NoSQL Databases like Mongo DB , Mark Logic , and Cassandra .
• Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using Active MQ, Rabbit MQ as a message queue.
• Have Knowledge on Stream frameworks like Kafka .
• Configured AWS Security Groups which acts as a virtual firewall that controls the traffic for one or more AWS EC2 instances. Configured AWS Identity and Access Management ( IAM ) to securely manage AWS users and use policies & roles to allow or deny access to AWS resources.
• Experience in developing XML based Web Services ( SOAP/UDDI/WSDL ) using Top Down and Bottom Up approach and REST based services with JAX-RS , Jersey , and Spring Integration.
• Strong experience in database design using PL/SQL to write tables, Stored Procedures, Functions, Triggers, Indexers and proficiency in writing complex queries to retrieve data.
• Expertise in using JDBC API and Hibernate for connection and access to databases.
• Good experience with Relational databases like Oracle, My SQL, MS SQL Server, IBM DB2 and No SQL databases like Mongo DB, Cassandra, and Dynamo DB.
• Experience with application servers like Web Logic, JBOSS, Apache Tomcat and IBM Web Sphere .
• Expertise in using various IDE tools like Spring Tool Suite, RAD, Eclipse and IntelliJ .
• Proficient in Continuous Integration and Continuous Deployment tools like Jenkins.
• Experience with JUnit and Mockito in developing test cases and Log4J in determining application functionality.
• Having Experience on UNIX, LINUX, Python Shell Scripting , and Deployment of Applications in Server.
• Experience working with version control tools like Git Hub, Subversion ( SVN ) and CVS .
• Good experience with JIRA in issue tracking.
• Experience with build automation tools like Gradle , ANT and Maven for builds and deployments to different environments.

TECHNICAL SKILLS

Languages: Java, JavaScript, SQL/PL-SQL

Operating Systems: Windows, UNIX, Linux. Mac OS X.

Java/J2EEEnterprise Technologies: JDBC, Swing, JSP, Servlets, EJB, JSTL, JMS, spring, Struts, JSF, JPA, Log4j, LDAP.

J2EE Web Services: SOAP, REST, WSDL, JAX-RS, JAX-RPC, JAXP, JAXB.

Client-Side Programming: HTML/HTML5, CSS2/CSS3, DHTML, AJAX, JQUERY, JSON

JavaScript Frameworks: Angular, AngularJS, node.js, Backbone.js, React.js, Requier.js, Ext JS, Devops

XML Technologies: XML, XSL, XSLT, DTD, XML Schema, SAX, DOM.

Database: Oracle, SQL Server, MySQL, Mongo DB, Cassandra

Web and Application Servers: Apache Tomcat, IBM Web Sphere, Web Logic, JBoss.

Methodologies: SDLC, OOAD, Agile

Testing Tools: JUnit, Selenium, Mockito, Docker.

Version Control: Clear Case, CVS, SVN, GIT

Continuous Integration Tools: Jenkins, Quick Build, Bamboo

JavaScript Unit Testing Tools: Jasmine along with Karma, protractor.

ESB products: Apache Camel, Mule, JBoss fuse

ORM frameworks: Hibernate, JPA, IBATIS, Spring JDBC Template, JDBC

Tools: & IDEs: Apache ANT, MAVEN, Net Beans, Eclipse, RAD, Eclipse IDE, Edit Plus, JS fiddle, Brackets, Microsoft Visual Studio, Web Storm, NPM.

PROFESSIONAL EXPERIENCE

Sr. Java Full Stack Developer

Confidential, Franklin Lakes, NJ

Responsibilities:

• Developed Responsive Web Pages using HTML5, CSS3, JavaScript, ReactJs, Bootstrap, NodeJS and AJAX.
• The front-end use HTML5, CSS3, JavaScript, ReactJs, JQuery and Bootstrap to build a single page web app that communicate with back-end via Restful API.
• Constructed powerful and modern Frontend Architecture, involving ReactJs, Redux and ES6.
• Achieved role control functionality mainly by retrieving JSON data from AJAX and combining the retrieved data with JQuery to manipulate nodes in DOM tree.
• Developed user interface by using the ReactJs, Redux for SPA development and implemented client-side Interface using ReactJs.
• Experience in Redux architecture and implemented SPA's with React Router.
• Followed Redux Architecture to achieve the ReactJs state management. Developed the well-designed store, actions and reducers.
• Worked with java (Java8), using spring, Spring MVC, Multi-threading, DBC, Hibernate, Restful Web Services and SOAP Web Services.
• Used Java features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.
• Used Scala templating for rendering standard mark-up across all the pages along with UI builds made with ReactJs on ngnix servers.
• Worked on migrating the old java stack to Type safe stack using Scala for backend programming.
• Used Scala collection framework to store and process the complex employer information. Based on the offers setup for each client, the requests were post processed and given offers.
• Used slick to query and storing in database in a Scala fashion using the powerful Scala collection framework.
• Implement Redux Saga's with actions and reducers to implement async API calls.
• Implemented Map State to Props, Map Dispatch to Props for the interactions between Redux and React.
• Proficient in using higher level style syntaxes, LESS and SASS for advanced CSS features.
• To manipulate the data type and handle multiple actions uses Redux-Thunk as middleware.
• Experience in developing web applications using latest JavaScript ES6 features and frameworks such as React and Redux to build dynamic web pages. (React-router, JSX, Babel, Web pack, React-bootstrap).
• Developed React Components and used Redux Promise API for making async calls.
• Used ReactJs for templating for faster compilation and developing reusable components.
• Developed user interface by using the ReactJs, Redux for SPA development and implemented client- side Interface using ReactJs.
• Implemented MVVM architecture using React and Redux framework.

Environment: Java, Spring Boot, Spring MVC, Spring AOP, Hibernate, JAX-RS Web services, JAX-WS Web services, Apache CXF, JQuery, JQuery UI, Scala, AJAX, UML, MS Visio, JSTL, Oracle 11g, Eclipse, JUnit, XMLSPY, SOAPUI, Log4j, Maven, PMD, AWS, NodeJS, ReactJs, Bootstrap, AngularJS, Redux, HTML5, CSS3, Toad, Maven, Hudson, Sun Jersey, JUnit, JIRA, Rally, Jasmine, Apache POI, Quartz Scheduler, Selenium, GIT, Bamboo CI, Cucumber, Soap UI, Fiddler, JMeter

Sr. Java Full Stack Developer

Confidential, Pittsburgh, PA

Responsibilities:

• Designed the data flow for the client-side screens and the object interaction layer for the server-side components using Rational Rose.
• Involved in Use Case Diagrams, Class Diagrams and Sequence diagrams using Rational Rose.
• MQ was used to provide a single unifying transport that reduces cost and maintenance efforts, including support for HTTP, REST and JMS.
• Developed reports in an excel format using POI-HSSF API. Used XML/XSLT for transforming common XML format and SAML for Single Sign-On.
• Designed configuration XML Schema for the application. Monitoring WebLogic Server health and security.
• Developed Maven scripts and developed builds using Maven and continuous integration servers like Jenkins.
• Used JavaScript for the client-side validation. Used XML Http Request Object to provide asynchronous communication as part of AJAX implementation.
• Designed and implemented Java Classes to use JAXP parser to create Java objects to be able to modify the data received in the response.
• Implemented applications with Scala along with Spring and Play framework
• Implemented highly scalable application architecture using Oracle Coherence
• Performance testing experience using JMeter.
• Involved in complete development of 'Agile Development Methodology/SCRUM', developed and tested the application during various iterations
• Extensively used various Spring Framework modules like DI (IOC), Bean Wiring, Inheritance, Auto Wiring, JDBC Templates, AOP and Spring Quartz Schedulers for Jobs.
• Designed and implemented a stream filtering system on top of Apache Kafka to reduce stream size.
• Used SOAP for Web Services by exchanging XML data between applications over HTTP. WSDL was used for publishing Web Service interfaces.
• JUnit tests were written to test each module in the application. JSP-EL and JSTL were also used as server-side front end scripts. Wrote Ant Scripts to automate the build and deploy process.
• Involved in Code Review, Unit Testing and Integration Testing.

Environment: Java, Spring Boot, Spring MVC, Spring AOP, Hibernate, JAX-RS Web services, JAX-WS Web services, Apache CXF, Angular, JQuery, JQuery UI, Scala, AJAX, UML, MS Visio, JSTL, Oracle 11g, Eclipse, JUnit, XMLSPY, SOAPUI, Log4j, Maven, PMD, AWS, NodeJS, ReactJS, Bootstrap, AngularJS, Redux, HTML5, CSS3, Toad, Maven, Hudson, Sun Jersey, JUnit, JIRA, Rally, Jasmine, Apache POI, Quartz Scheduler, Selenium, GIT, Bamboo CI, Cucumber, Soap UI, Fiddler, JMeter

Sr. Java Full Stack Developer

Confidential, Norfolk, VA

Responsibilities:

• Used agile methodology throughout the software development lifecycle (SDLC).
• Developing web pages using Angular4.0 Framework and worked with various Angular JS directives and services and Filters to build the Applications.
• Developed components to fetch the data from the back end using AJAX and JQuery.
• Developed the Angular 4.0 components which can be reused across all over the app.
• Created optimized graphic websites and application interfaces using HTML5, CSS3, and Ext JS Framework.
• Used NodeJS architectural concepts like event loop, call backs and event emitters.
• Used Spring Boot to develop and deploy both Restful web services and MVC applications.
• Developed Micro services based on Restful API utilizing Spring Boot with SpringMVC.
• Deployed and Monitored Micro Services Using Pivotal Cloud Foundry (PCF) and managed Domains and Routes with the Cloud Foundry.
• Developed POCs for Spring Cloud with Netflix Eureka to create the discovery Server and the discovery service and clients.
• Implemented Java EE components using SpringMVC, SpringIoC, spring transactions and Spring Security modules.
• Implemented secure authentication with LDAPOAuth2for generating tokens in the application using Spring Security.
• Used Apache Kafka (Message Queues) for reliable and asynchronous exchange of important information between multiple business applications.
• Used Java8 Streams, Functional Interface, Predicates to make the application perform faster.
• Developed the Application Module using several design patterns like Singleton, Factory, DAO, DTO, Business Delegate, Façade, prototype and Composite View.
• Created custom single yaml for configuring multiple profiles in various environments.
• Implemented Dynamic batch feature for batch processing with spring batch.
• Written shell scripts to copy output files to a different location after the output files are created from spring batch.
• Developed Rest web services using Jersey framework which produces XML and JSON to perform task which leverages both web and mobile applications.
• Implemented Swagger Configuration in Java Spring Boot for auto generating swagger JSON files for REST API calls.
• Configure and deploy the application on IBMWebSphere7.0 application server.
• Implemented exception handling in Java Spring boot for RESTAPI by making use of Exception Handler and Controller Advice annotations.
• Used Hibernate extensively to have Database access mechanism with complex queries through Hibernate Query and Criteria interfaces.
• Used Hibernate Transaction Management, Hibernate Batch Transactions, and Hibernate cache concepts.
• Installation and configuration of Oracle 11g database.
• Created database objects like Stored Procedures, Tables, Views, Sequences, Cursors, Packages and Triggers.
• Preparing MongoDB queries for reporting and analysing production data for various applications.
• Created Docker images and ran the Docker containers in various environments.
• Developed Maven scripts and developed builds using Maven and continuous integration servers like Jenkins and Used Git as Version Control System and Git Hub as repository.
• Developed unit and integration tests for existing microservices using JUnit, Mockito environments for development and QA teams and fixed defects identified during QA, UAT and Production.

Environment: Java, J2EE, Spring Boot, AJAX, JQuery, Angular JS, Micro services, Spring, Spring Cloud, Pivotal Cloud Foundry, Netflix Eureka, Hibernate 3.x, Spring Batch, Swagger, Restful web services, Mongo DB, Oracle 11g, IBM Websphere7.0, Docker, Maven, Jenkins, Kafka, Shell Scripts, Git, Git Hub, JUnit, Mockito, SOAP UI, Log4j.

Sr. Java Full Stack Developer

Confidential - Waltham, MA

Responsibilities:

• Involved in requirement analysis, design, development, testing of application using agile methodology.
• Used AWS (Amazon Web Services) as a cloud platform to deploy the application.
• Leveraged AWS cloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Used Amazon IAM to grant fine-grained access to AWS resources to users. Also, managed roles and permissions of users to AWS account through IAM.
• Utilized S3 buckets and Glacier for file storage and backup on AWS cloud.
• Utilized AmazonRoute53 to manage DNS zones and assign public DNS names to Elastic Load Balancers.
• Developed API for using AWS Lambda to manage the servers and run the code in the AWS.
• Developed Interactive web pages using AngularJS, HTML5, CSS3 and JavaScript.
• Developed Single Page Application (SPA) using AngularJS Framework and injected generic services using Angular2.
• Used NodeJS (Express) to create API which can provide or consume JSON.
• Integrated the IOC container of Spring Framework to handle the creation of beans, dependency injection and transaction management.
• Used HibernateORM to integrate with business application with Oracle Database where Hibernate template is used to implement business logic. Created XML configuration file for Hibernate Database connectivity.
• Experience with querying on data present in Cassandra cluster using CQL.
• Consumed Web Services by implementing spring’s REST support is to make the development of Restful Web services.
• Using RabbitMQ as a Message Oriented Middleware for integrating applications.
• Created MULEES Bartefact and configured the MULE config files and deployed.
• Created shell scripts to deploy resource bundles on different environments.
• Used Tomcat Application server to deploy the application.
• Worked with Git Version control system to track various aspects of the project.
• Used Maven as build tool on Java projects for the development of build artifacts on the source code.
• Used Log4j logging framework to write Log messages with various levels for logging across the application.
• Created and managed a Docker deployment pipeline for custom application images in the cloud using Jenkins.
• Developed test cases using JUnit and JMock for unit testing and integration testing as part of TDD.
• Interacted with Business Analysts to come up with better implementation designs for the application. Provided production support for the application.
• Involved in testing, debugging, bugs fixing and documentation of the system.

Environment: Java, J2EE, Spring MVC, Hibernate, JSP, AngularJS, NodeJS, HTML5, CSS3, JavaScript, AWS (VPC, EC2, IAM, Route53, Lambda, Cloud Watch, ELB, S3), Restful web services, Rabbit MQ, ESB, Tomcat, Shell Scripts, Git, Maven, Log4j, Cassandra, Oracle, Docker, JUnit, JMock, Devops .