SUMMARY

• Around 7+ years of experience of Java full stack development in all phases of Software Development Life Cycles like AGILE/Scrum and Waterfall methodologies. strong software experience in Developing, Testing, Implementing Enterprise Applications using Java/J2EE platform and web - based applications using Object Oriented Analysis and Design (OOAD).
• Experienced in MVVM Client-side JavaScript frameworks like Angular 8 and MVC frameworks like Backbone JS, Ember Handlebar JS and Knockout JS.
• Implemented React JS and worked with Redux and Flux architecture.
• Experience in React JS which is JavaScript library used for building reusable UI components
• Extensive working experience with various J2EE Frameworks like EJB, Struts, JSF, JSP, JSI (Prime Faces).
• Extensive experience with Core Java, Multithreading, Transaction Management, ExceptionHandling, Concurrency, Collections, Data Structures, Lambda Expressions, Functional Interfaces and JDBC
• Hands on experience in developing server-side JavaScript frameworks using Node JS (Hapi JS, Express JS, Handlebar JS).
• Expert level skills in spring framework modules like Spring MVC, Spring Batch, Spring Security, Spring Data, Spring Boot, Spring Cloud, Spring JTA, Spring AOP, Spring Core.
• Worked on WSDL and WADL implementing SOAP services using Axis-2 and Apache CXF (JAX-WS frameworks).
• Experience in User Interface development using web technologies like HTML5, XHTML, DHTML, CSS3(SAAS/LESS), Bootstrap, JAVASCRIPT, JQUERY, AJAX.
• Worked with Spring Cloud Config, Hystrix Circuit Breaker, Ribbon, Apigee API- gateway and Zuul API-Gateway in the Spring Cloud and Netflix Eureka service to provide weighted load balancing based on several factors like traffic, resource usage and implemented security functionality OAuth 2.0, Spring security (User Access Management, JWT), SSL and Site Minder (SSO).
• Integrated Micro Services with Hibernate ORM using Spring Boot and wrote HQL queries for data access.
• Extensively worked on Micro Services with Spring Boot and created dynamic documentation for RESTful webservice using Swagger.
• Developed Restful web services using JAX-RS in JERSEY, Apache CXF to expose the data to spring module.
• Experience with SQL and PL/SQL to query various Relational Database Management Systems including Oracle, MS SQL, MySQL, DB2 and PostgreSQL and No SQL databases like Mongo DB, CouchDB, Cassandra, Dynamo DB and Graph DB.
• Expertise in creating Databases, Tables, Stored Procedure, Triggers, Views, User defined data types (UDT), Cursors, Functions, data dictionaries, and maintaining data integrity and Indexes using SQL.
• Hands on experience with build tools like ANT, Maven, Gradle and logging tools like Log4J.
• Experience in interacting with NoSQL databases using Mongoose Connector and
• Strong experience in integration tools like Apache CXF, Apache Camel Spring Integration and Mule ESB to integrate the enterprise application technologies with existing JVM environment.
• Worked with Drools to provide Business Rules Management System (BRMS) solution that provides a core Business Rules Engine.
• Cassandra Node Driver.
• Good understanding of Client- side build tools like Gulp, NPM, Webpack, Grunt, and Bower.
• Worked on testing JavaScript structures utilizing Mocha and Chai, Protractor, Jasmine and Karma.
• Strong Knowledge on automated java based behavioral testing and integration testing of the applications using Cucumber and Selenium respectively.
• Experience in testing with JUnit Framework using Mockito and Easy Mock, Spring Junit Runner, JMeter.
• Experience in deploying and configuring application servers such as Oracle WebLogic, Glassfish, IBM WebSphere, Jboss and Apache Tomcat.
• Experience in building and deployment of EAR, WAR, JAR files on different environments in IBM WebSphere Application Server v7.
• Experience in Unix and Shell Scripting which allows the user to interact with OS.
• Experience in Windows Azure services like PAAS, IAAS and worked on storages like Blob and SQL Azure.
• Sound learning on consistent mix and persistent improvement devices like Jenkins, Hudson, Puppet and Bamboo.
• Good knowledge in building real time dashboard applications using Elastic Search, Logstash and Kibana (ELK) to profile and monitor the streaming data of the application.
• Good Knowledge in Amazon Web Services (Amazon SQS, Amazon EC2, Amazon S3, Amazon Elastic Load Balancing, Amazon Simple DB, Amazon EBS, Amazon Lambda and Amazon Cloud Front).
• Good experience using Docker for installing, upgrading, testing, removing and running software applications.
• Professional experience in Log4J for extensible logging, debugging and error tracing.
• Hands on experience in implementation of Pivotal Cloud Foundry (PCF) services such as Pivotal Container Service, Pivotal Application Service and Pivotal Functional Service.
• Made use of Apache Kafka, Active MQ, Rabbit MQ, IBM MQ as a Message Oriented Middleware for coordinating applications.
• Good understanding of OpenShift platform in managing Docker containers and Kubernetes Clusters.

TECHNICAL SKILLS

Programming Languages: Java, C++, C, SQL, PL/SQL, PHP, UNIX Shell Script

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

Application/Web Servers: Oracle/BEA WebLogic, IBM WebSphere, JBoss, Apache Tomcat

Frameworks & API’s: Struts, Spring, Spring Boot, Hibernate, JSF, iBATIS, JPA, Angular JS, Angular 2.0,4.0,6.0, Backbone JS, D3, React JS, NodeJS

IDE’s: Eclipse, IBM RAD, Net Beans, MasterCraft

Web technologies: JSP, JavaScript, jQuery, AJAX, XML, XSLT, HTML, DHTML, CSS, JSON, Adobe Flex, Spring MVC, Angular JS, Angular 2.0,4.0.6.0, NodeJS

Debugging Tools: Firebug, Chrome

NoSQL database: MongoDB, Cassandra

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

XML Parser: JAXB, Apache Axis, DOM

Methodologies: Agile, RUP, TDD, OOAD, SDLC

CI/CD Tools: Jenkins, XL Release, Hudson

Modeling Tools: UML, Design Patterns, Rational Rose, Visio

Databases: Oracle, DB2, SQL Server, MySQL, MongoDB, Cassandra

Version Control: CVS, GIT, SVN

Build Tools: ANT, Maven, Gradle, Jenkins, Hudson

PROFESSIONAL EXPERIENCE

Confidential, Waltham, MA

Senior Full stack Java Developer

Environment: JavaScript, HTML5, CSS3-LESS, AJAX, Bootstrap, jQuery, Spring Security, Rabbit MQ, Node JS, Express JS, HTML5, Bootstrap4.0, Site Minder, Hibernate4.x,OIDC, EclipseJavaEE, Jenkins, Log4j, Redis, Mongo DB, Mongoose Connector, Oracle, JBoss, Kibana, Elastic search, Logstash, EBS, Elastic Load Balancer, Docker, Apache tomcat, Selenium, Spock, Karma, Jasmine, Mockito, Junit, mock MVC, Kubernetes, Dump Analysis, Netflix Zuul, Eureka.

Responsibilities:

• Implementation of the design wireframe using Angular 8 and creating services and exposing it to the backend which runs on Spring Boot. Here we also have another layer that makes use of NodeJS mainly used for authentication, authorization and session maintenance.
• Developed UI application initially using Angular 6.0and made use of customized components.
• Implemented customer side validations using Angular 8.0 and created services on UI for storing and retrieving data from UI to the backend.
• Created sessions for Login user and setting session timed out for the entire UI application.
• Developed key services for authorization and authentication in Node server, where we used LDAP. Later migrated the authentication from LDAP to Ping Access-SSO (Single Sign On) Application.
• Was under migration of the project converting angular components and updating router Modules. Implemented the complete set up with configuration file changes from Angular 6 to Angular 8.
• Involve in development, design and implementation of the front-end application using HTML5, CSS3, AJAX, Bootstrap 6.0.
• Strong understanding on client-side application and very good at attaining the architectural design for MVC using directives, promises and pipes.
• Involved in innovation of the current UI to make an implementation under mobile device access using cross platform technologies such as Ionic which helps in improving the business.
• Also created yml files for using a swagger API within UI.
• Made use of Reactive Forms using Angular 8 where most of the validation is done using component rather than using template-driven which provides in HTML.
• Involved in writing test cases using jasmine-karma, Test Bed and maintained a stable code coverage with maximum threshold.
• Mainly involved in deployment activities CI/CD deployment and familiar with OSE (Open shift origin). Also made changes in Jenkins Files as per the requirement of the pipeline.
• Worked on Kubernetes cluster as a part of deployment activity. Familiar with Open Shift commands mainly for deployment.
• Hands-on development working with latest JAVA 8 features including Stream API, Functional interfaces, Lambda expressions, Optionals and Completable Futures.
• Experience working on Drools Rule Engines to validate the business user roles.
• Implementation of Zuul proxy as the API gateway and configuring zuul proxy routes for filtering and routing of http requests. Enabled Eureka Service Registry and Discovery client for multiple micro services and used load balancers to submit requests to different microservices.
• Have experience in Installation, Administration, Upgrading, Troubleshooting Console Issues & Database Issues for AppDynamics.
• Verified data integrity on Apache Cassandra cluster while batch loading.
• UsedJava8features like stream and Lambda expressions.
• Configured client side load balancing using Spring cloud Ribbon and implemented rules, ping strategies as load balancing strategies on client applications.
• Have extensively used Spring Executor Framework for parallel execution of code and implementing MultiThread processors. Implemented multi task process using Futures and Callables to invoke tasks and achieve parallel executions in applications.
• Used Spring Boot which is radically faster in building cloud Micro Services and develop Spring based application with very less configuration.
• Developed some test suites for Automation testing using Selenium
• Migrating existing application into REST based Micro services to provide all the CRUD capabilities using Spring Boot.
• Experience working on reactive programming and the springwebfluxmodule.
• Implemented Spring Circuit breaker pattern, integrated Hystrix dashboard to monitor spring micro services, writing server-side request handling and automated functional test cases to validate UI functionality using Node.js.
• Proficient in Building/MaintainingDockercontainer clusters managed byKubernetes.
• Designed, configured and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the AWS stack (Including EC2, S3), focusing on high-availability, fault tolerance, and auto-scaling.
• Used Docker Container to address every application across the hybrid cloud and Docker for better collaboration and innovation.
• Configured AWS EC2 instances, domain mapping via Route53.

Confidential, Austin, TX

Full stack Java Developer

Environment: AWS, Swagger, Node-JS, Angular4, Type script, Web pack, ECMA6, Karma and jasmine, Spring 4.x, Spring Boot, Spring cloud like Ribbon, Hystrix, Netflix ZUUL, Micro services architecture, Docker, Cassandra DB, OAUTH, Apache Kafka, Splunk, OpenShift .

Responsibilities:

• Involved in the creation of UI specification documents by interacting with business users and design documentation and data modelling for the entire project.
• Written several Axios service calls like get() and post() to make REST service calls.
• Created responsive design and developed a single responsive website that could be served to desktop, Tablets and mobile users using ReactJS.
• Implemented Redux Form to build Report Data Grid, tree grid, and developed DataGridItems which can be dragged by IRD system users.
• Developed user interface by using the ReactJS, Redux for SPA development and implemented client-side Interface using ReactJS.
• Expertise in usingReact.js/Reduxto build User Interface, strong knowledge ofstate store, middleware, action creator, reducer and container.
• Implemented Virtual Dom for Client-Side view rendering services using REACT JS.
• Worked with HTML5, CSS3, JavaScript, XML, JSON, AJAX, and Bootstrap.
• Wrote Client-Side code using React JSand used NPM, directories to generate the server environments used browserify, flux to manage with targeted URL's (Uni-Directional data flows) and to monitor the application.
• Building cloud Microservices and implemented back-end using Spring Boot.
• Used Kubernetes to create new cluster and container management tool
• Implemented Netflix OSS(Open Source Software) for Feasible changes after the deployment.
• Deployed our Application on Pivotal Cloud Foundry which is used to reduce the development overhead by providing a ready to use platform
• REACT JS Virtual DOM used for client-side view rendering services, React-Redux for state management and React-Router for programmatic navigation.
• Involved in writing Promises and call back function in Node Js to build microservices using Hapi.JS.
• Redux/NGRX and understanding of the Redux pattern
• Implementation domain base classes providing basic properties using Spring Data.
• Proficient in writing react code with help of ECMAScript (ES6) and JSX.
• Deployed and Monitored Micro Services Using Spring Cloud Foundry Managed Domains and Routes with the Spring Cloud Service Registry.
• Implemented Spring Cloud- Netflix ZUUL to building microservices to communicate with each other. implemented platform modules through spring Java micro and Node.js services by employing Hapi.js, as well as front-end React JS.
• Created reusable templates using Angular directives and worked with NPM package manager tools (Node JS).
• Worked with Microservice architecture using Spring Boot to modularized code and implemented Rest API’s using Spring Rest and integrated Swagger API for documentation.
• Worked onDocker hub, creatingDocker images and handling multiple images primarily for middleware installations and domain configurations.
• Performed Code building using Gradle.
• Used Mongoose Connector to connect Node Js Application to MongoDB.
• Implemented Relational Database like Oracle and PL/SQL store procedures
• Implemented Spring Circuit breaker pattern, integratedHystrix dashboard to monitor Spring micro services
• Developed reusable application logic by avoiding building infrastructure by Hapi.JS.
• Implemented NoSQL database like Cassandra to (store key values), for data analytics which is used as a Database for this project.
• Worked with OpenShift for Platform as a service with configuration management.
• Create charts using Splunk for the log data and analyze log data to know customer expectations.
• Implemented a metrics collection mechanism for the server by utilizing Apache Kafka to stream server-side event.

Confidential, Austin, TX

Full stack Java Developer

Environment: Backbone JS, Underscore JS, Handlebar JS, Java Server Faces, Spring IOC, Spring AOP, SOAP, Apache-CXF, JAX-WS, WADL, PL/SQL, Oracle DB, Hibernate, Maven, JBoss, Junit, Selenium

Responsibilities:

• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.
• Created responsive UI modules using Backbone JS with hard coded dependency of Underscore JS in combination with Handlebar JS for templating.
• Used Backbone JS to utilize its rendering functions and create controllers to handle events triggered by clients and send request to server.
• Implemented the application using Java Server Faces (JSF) which is based on Model View Controller design pattern.
• Build web application using JSF Prime Faces by assembling reusable UI components in a page and wiring the client generated events to server-side event handlers. Configured faces-config.xml and applicationcontext.xml for JSF Integration.
• Dependency Injection for managing the components and bean life cycle is achieved in the application using Spring IOC.
• Used Spring AOP Module to implement logging in the application to know the application status.
• Used Spring AOP module to handle transaction management services for objects in any Spring-based application.
• Developed SOAP web services using Apache-CXF which would be available for other local OSGi bundles.
• Developed Several SOAP based JAX-WS Web Service interfaces for integrating multiple systems, code re-usability.
• Used SOA Architecture to Develop REST Web services, generated WADL and consume the services.
• Modeled the resources provided by the service layer and the relationships between them using WADL.
• Wrote stored procedures, complex queries using PL/SQL to extract data from the database, delete data and reload data on Oracle DB.
• Followed Test Driven Development (g) and wrote server-side test cases using Junit.
• Worked on creating the persistence layer using Hibernate ORM framework. This involves developing mapping files and Hibernate (POJOs/ DAOs).
• Used Maven build tool to deploy the application on web servers i.e. JBoss.
• Involved in creating unit testing of various layers using JUnit and created automated test scripts for integration testing using Selenium.

Confidential

Full stack Java Developer

Environment: Spring, Spring IOC, Maven, Spring MVC, iBatis, SQL, IBM Web Sphere, Web Sphere Message Broker, Web Sphere Message Queue, Linux, Drools, Multithreading and Log4j.

Responsibilities:

• Integrated Spring with Hibernate and used ORM tool hibernate to interact with database.
• Implemented the MVC pattern by using Spring with help of controller servlet. Action mappings, actions and global forwards are defined in Spring-config xml file and method call implementations are developed in Action.
• Used Hibernate as an Object-Relational Mapping ORM tool to store the persistent data and for communicating with Oracle database and to customize the data for new applications.
• Designed and developed web interfaces and business logic using Jakarta Spring Framework (MVC architecture), JSP, Servlets, Java Beans, JDBC, AJAX, Java Script, HTML, DHTML and XML Technologies.
• Used Maven as build tool to build artifacts on the source code.
• Used Spring Batch to develop batch processing to handle bulk requests from the clients.
• Develop and implement patch deployment plans used to patch development and production Linux and Windows servers.
• Used Drools rules engine for defining business rules and Validations.
• Implemented Multithreading feature for processing the multiple requests to achieve high performance.
• Modified Korn and Bourne shell scripts to automate administration tasks like customizing user environment and performance monitoring.
• Worked with Core Java concepts like Collections Framework, Multithreading, and Memory management.
• Used Log4J to capture the log that includes runtime exceptions, monitored error logs and fixed the problems.
• Installed and configured IBM Web Sphere application server and http web server for development and production environment and used Web Sphere message broker and Web Sphere Message Queue for route, transform, migrate and enhance data.
• Created and scheduled Batch process using Java Batch and Spring Batch and implemented job throttling for spring batch process.
• Hibernate query language (HQL) and integrated business layer with DAO layer.
• Planned, Scheduled and Implemented on Linux boxes as part of proactive maintenance and Secure Shell (SSH) Implementation.
• Used Hibernate for mapping java classes with database and created queries with

Confidential

Java developer

Environment: Db2, PL/SQL, Spring IOC, iBatis, JSP, JSTL, Spring Security, SOA, SOAP, JAX-WS, IBM MQ, JMS, JUnit, Mockito, ANT, IBM WebSphere, J2EE.

Responsibilities:

• Developed back end interfaces using PL/SQL packages, stored procedures, functions, procedures, anonymous PL/SQL programs, Cursor management, Exception Handling in PL/SQL programs.
• Implemented various features of Spring such as Dependency Injection, IOC, Annotations
• Involved in writing PL/SQL Stored Procedures, Functions, Triggers and Views for SQL database.
• Involved in designing the user interfaces using JSPs.
• Used Eclipse for developing JSPs, Servlets with IBM WEB SPHERE server in the development phase.
• Developed JSTL custom tags to support custom user interfaces.
• Involved in the development of underwriting process, which involves communications without side systems using IBM MQ & JMS.
• Handled Java Multi-threading part in back-end component, one thread will be running for each user, which serves that user.
• Used SOAP for transmission of large blocks of XML data over HTTP.
• Involved in various phases of Software Development Life Cycle (SDLC) and Agile methodology is used for development of the application.
• Used J2EE design patterns like Value Object Pattern, Session Façade, Singleton, Factory and DAO.
• The application is designed using J2EE design patterns and technologies based on MVC architecture
• Developed the application using Spring Framework that leverages the classical Model-View-Controller (MVC) architecture.
• Implemented persistence layer with iBAITS-ORM.
• Wrote Unit test cases using JUnit & Mockito framework.
• Implemented Service Oriented Architecture (SOA) and web services using SOAP with JAX-WS.
• Used ANT for automated build and deployment on IBM WebSphere.
• Used Spring Security framework to setup authentication and authorization for the application using firm wide single sign on.
• Created Stored Procedures & Functions. Used JDBC to process database calls for Db2 Server database.