SUMMARY

• 7+ years of professional experience as a full stack developer, experienced in implementing and developing complex applications. Involved in Software Development Life Cycle (SDLC) which embraces Design, Development, Implementation and Testing of enterprise business applications using Java.
• Extensive experience in developing scalable, reliable, efficient web and enterprise applications using JSP, Servlets, Struts, JSF (Prime Faces)
• Strong hands - on experience with Spring IO and Spring Boot.
• Implemented teh microservices architecture based on RESTful API using Spring Boot with Spring MVC.
• Proficient in implementing frameworks such as Structs, Spring MVC and AJAX frameworks. Excellent experience using ORM tools like Hibernate and Ibatis.
• Expertise in using Spring frameworks like (CORE, AOP, DI, SECURITY, IOC).
• Expertise in using spring JPA as hibernate and used JPA as reference.
• Has experience using ODM frameworks to connect asynchronous environment with Mongoose Connector and Cassandra Node Driver.
• Experienced in creating, producing and consumption of services like request-response by using JMS Active MQ.
• Strong experience in developing Dynamic Single Page Application (SPA) using MEAN (Mongo, Express Angular and Node) full stack development tool kit.
• Proficiency in front end application developer using Angular 2.0/4.0, React JS, Ember JS for dynamic users and which halps in architectural pattern MVC.
• Well versed with J2EE Design Patterns like DAO, Service Locator, Value Object, Business Delegate Pattern, Front Controller Pattern, Singleton, MVC, Session facade etc.
• Having expertise noledge and experience on Java 8 features like Functional Interfaces Multithreading, Collection API, Exceptional Handling, Time API and Stream API.
• Handlebar JS and implemented React JS using Redux library and Flux pattern.
• Proficient in using Spring (transaction support modules and JPA), Spring JDBC (for transferring data to database).
• Experienced in using Enable Caching which has multiple implementation such as EhCache 2.x, Redis and Couchbase.
• Configured Session Factory for Hibernate mainly used for Create, Read, and Delete operations for instances of mapped entity classes.
• Developed projects with RESTful services (JAX-RS, Spring Rest).
• Implemented security to RESTful web services using OAUTH 2.0.
• Expertise in using front end applications using HTML 5, CSS 3 mainly for styling and view rendering.
• Having strong experience on JavaScript and implemented ES6 features such as Template literals, Multi line Strings, Block scope and Modules.
• Experienced in developing Server-side applications using frameworks Node JS (Express JS, Hapi JS) for building non-blocking me/o model web-based applications.
• Ample experience on usage of bundle package and familiar using tools like NPM, Bower as task runners. Used Karma, Jasmine, Protractor as UI testing for Backbone JS and React JS.
• Good understanding of global level process about Microservices architecture and SOA. Good noledge on application of Spring Cloud-Netflix OSS for microservices deployment and configuration of Hystrix, Zuul a gateway for routing with Eureka for routing stability.
• Used Docker Container to address every application across teh hybrid cloud and Docker for better collaboration and innovation.
• Deployed teh Zero Down Deployment using Kubernetes orchestration service application.
• Implemented Splunk and kibanana and log management with ELK.
• Implemented Elastic search cluster API that allows us to manage and monitor Elasticsearch cluster.
• Worked on different SQL databases like MySQL, MS SQL Server, Oracle 11g. Also worked on NoSQL databases MongoDB, Apache Cassandra, Raven DB, Dynamo Db, Couch DB.
• Having good experience in writing Joins, clauses, store procedures, triggers, cursors using PL/SQL in JDBC, ODBC and WebLogic server. Implemented pl/sql scripts, triggers, store procedures and views.
• SOAP (JAX-WS, Apache CXF, WSDL, Apache Axis2) and automated teh documentation using Swagger and WSDL.
• Developed projects using SOAP and RESTful webservices and automated documentation using Swagger, WSDL(SOAP) and WADL(REST).
• Good noledge and implemented on providing autantication and authorization for web services using OIDC and Spring security.
• Used Single Sign On (SSO) to has access control on multiple independent software systems
• Good Knowledge in Amazon Web Services (Amazon EC2, Amazon S3, Amazon Simple DB, Amazon Elastic Load Balancing, Amazon SQS, Amazon EBS and Amazon Cloud Front).
• Well experienced with build tools like Gradle, Maven and ANT.
• Experience in Developing automated scripts for Regression Testing through Selenium and Cucumber Web Drivers.
• Exposure to Behavior Driven Development using tools like Jbehave, Concordian.
• Worked on different server such as Apache Tomcat, WebLogic and Jboss for configuring and deployment of teh application
• Responsible for migrating existing modules in Confidential MQ to Apache Kafka and worked on creating Kafka adaptors for decoupling teh application dependency.
• Implemented a metrics collection mechanism for teh server by utilizing Apache Kafka to stream server-side events.
• Strong Knowledge on automated java-based integration testing and behavioral testing of teh application using Selenium (connects you to your browser), Unit testing, Junit4, TestNg, (organizes teh tests) Mockito, (power mock for mock) and for rest testing mockmvc and fluent API, mockers service server for spring rest template template testing.
• Experienced in developing microservices using Spring Boot and deploying them in teh Pivotal Cloud Foundry (PCF).
• Implemented Pivotal cloud foundry (PCF) to deploy IAAS or PAAS and to run own applications.
• Automated teh deployment process by integrating code repository using build pipeline Jenkins, Bamboo and GoCD for Continuous Integration and Continuous Deployment that can run on teh cloud or on-premises.
• Good practical experience with Java -basedlogging utility. me.e. log4J., sl4j, log common.
• Experience in Java Thread Dump Analysis and familiar with thread dump techniques.
• Good Experience in software configuration management using SVN, GitHub, GitLab, Bitbucket.

TECHNICAL SKILLS

Programming Languages: Java, C, C++, PL/SQL, JavaScript

Web Technologies: HTML5,CSS3,AJAX,JSON,Bootstrap,jQuery, Angular2.0/4.0,Angular6.0/8.0 React JS with Flux, Redux, Ember JS, Knockout JS, Back Bone JS, Handlebar JS, NodeJS, Express JS, Hapi JS

J2EE Technologies & frameworks: Servlets, EJB, JSP, JSF, JDBC, SOAP, WSDL, REST, XML, JAXP, JAXB, JPA, JMS, Spring3.x/4.x/5.x, Hibernate, Spring MVC, Spring Boot, Spring Data, Spring Batch, Spring cloud, Dump Analysis.

Databases: Oracle 8i/9i/10g/11i, DB2, SQL Server 2000/2005/2008 , MYSQL, MongoDB, Raven DB, Cassandra

Application/Web Servers: Oracle Web logic, Confidential Web Sphere, JBoss, Glassfish, Apache Tomcat

Messaging Services: JMS, Active MQ, Rabbit MQ, Confidential MQ, Apache Kafka

Webservice Frameworks: JAX-RS, JAX-WS, Axis, Jersey

Software Methodologies: Agile, Scrum, TDD, Waterfall

Build & Configuration Tools: Ant, Maven, Gradle, Jenkins, Bamboo Gulp, Grunt, Webpack, NPM, Bower

Testing Tools: Junit, TestNG, Mockito, Jasmine, Karma, Mocha, Chai, Spock, Protractor

Version Control Tools: GIT, SVN, CVS, Bitbucket, TFS

Project Management Tools: JIRA, Rally, Microsoft Projectw

Cloud Technologies & DevOps Tools: AWS, PCF, EC2, EBS, S3, Docker, ECS, EBS, EKS, SQS, RDS, S3, Glacier, Lambda, Kubernetes

Operating System: Windows, Linux, Unix, MA-OS 10.13.2

IDE s: Eclipse, Visual Studio, IntelliJ, Spring Tool Suite, Sublime Text, WinSCP, Putty

PROFESSIONAL EXPERIENCE

Confidential, Huston TX

Full Stack Java Developer

Responsibilities:

• Implementation of teh design wireframe using Angular 8.0 and exposing backend services which runs on Spring Boot. Here we also has another layer that makes use of NodeJS mainly used for autantication, authorization, and session maintenance.
• Wrote services with Angular 6 to store and retrieve user data from teh DB for teh application on devices with HTTP service.
• Developed key services for authorization and autantication in Node server, where we used LDAP. Later migrated teh autantication from LDAP to Ping Access-SSO (Single Sign On) Application.
• Made use of Reactive Forms using Angular 8.0 where most of teh 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.
• Implemented teh complete set up with configuration file changes from Angular 6 to Angular 8. While migrating teh project which involved converting angular components and updating router Modules.
• Developed UI application initially using Angular 6.0 and made use of customized components.
• Mainly involved in deployment activities CI/CD deployment and familiar with OSE (Open shift origin). Also made changes in Jenkins Files as per teh requirement of teh pipeline.
• Worked on Kubernetes cluster as a part of deployment activity. Familiar with Open Shift commands mainly for deployment.
• Implemented features like Actuator in Spring boot for monitoring and tracing my application. Developed controller classes, complex services, database integration and backend process.
• Also created YAMEL files for using a swagger API within teh UI.
• Involved in web services design and development. Responsible for creating and consuming web services using REST and XML.
• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.
• Implemented transaction management using Spring AOP and used Spring Aspects for implementing logging functionalities.
• Worked in integrating JMS with SPRING BOOT by providing an instance which is embedded with Active MQ.
• NODE PACKAGE MANAGER (NPM) was used to list out teh right versions of teh packages and their dependencies for teh project.
• Autanticating Users and to provide teh security to RESTful web services using O-AUTH 2.0.
• Extensively used Spring IOC configured Application Context files and performed database object mapping using Hibernate annotations.
• Implemented Spring Validators, persistence layer, and service layer components using Spring/Hibernate API and Spring/Hibernate annotations. Extensively used Hibernate QL.
• Created dynamic schema design through NOSQL-CouchDB by writing rich queries and achieved data in a collection to be distributed across multiple systems for horizontal scalability.
• Implemented point-to-point Confidential MQ for programmatical communication and later worked on enhanced implementation on P/P Confidential MQ to Confidential MQ publisher/subscriber.
• Involved in innovation of teh current UI for SASS/LESS to make an implementation under mobile device access using cross platform technologies such as Ionic which halps in improving teh business.
• Has experienced developing web applications using Bootstrap, Code Mirror, Brackets and Ember.js.
• Involved in teh creation of interface to manage user menu and Bulk update of Attributes using Node.JS and jQuery.
• Developed and configured JMS components in WebLogic Application Server.
• Developed test cases for each component in different panels using Junit, reported and deployed using Jenkins.
• Designed and developed teh framework to consume web services hosted in Amazon EC2 instances.
• Building cloud Microservices and implemented back-end using Spring Boot. And Authored application using Spring Cloud services (spring version of Netflix OSS-Eureka that halps in routing, Circuit Breaker and Ribbon for client-side load balancing).
• 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.
• Implemented a metrics collection mechanism for teh server by utilizing Apache Kafka to stream server-side events.
• Used Apache Kafka in cluster as messaging system between APIs and microservices and worked on Splunk SPL (Search process language) queries, reports and logging using Log4j.
• Used Docker Container to address every application across teh hybrid cloud and Docker for better collaboration and innovation.
• Designed, configured, and deployed Amazon Web Services (AWS) for a multitude of applications utilizing teh AWS stack (Including EC2, S3), focusing on high-availability, fault tolerance, and auto-scaling.
• Implemented Spring Cloud-Netflix ZUUL to build micro services for communication.
• Configured AWS EC2 instances, domain mapping via Route53.

Environment: JavaScript, HTML5, CSS3-LESS, Spring Security, Rabbit MQ, Node JS, Express JS,Bootstrap4.0, 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, Swagger-OAuth 2.0, Maven3.0.

Confidential, Pittsburgh

Full Stack Java Developer

Responsibilities:

• Worked onMongoDBdatabase concepts such as locking, transactions, indexes, Shading, replication, schema design.
• UsedNode.jsandExpress.jsto develop teh relevant back end RESTful API.
• Extensive use ofNode.JS,Express JS, andMongo DBalong with Mongoose to create server-side applications.
• Designed and developedMicro Servicesbusiness components usingSpring Boot.
• Implemented teh Project structure based on Spring MVC pattern usingSpring Bootand persisted data to MongoDB using Spring Data.
• Developed various screens for teh front end usingReact JSand used various predefined components from NPM and Redux.
• Implemented MVVM architecture using Redux Architecture withReact JS.
• Establishing Restful API'S usingNODE.JSand application backend implemented asNODE.JSapplication server.
• Used JavaScript ES6 inNode.jsruntime environment to build RESTful APIs and to import data.
• Worked on Prototyping and Implementation using Java,Node JS, AWS with Slacker platform.
• Developed single page applications usingReactReduxarchitecture,ES6,web packandgrunt.
• Involved in creating a reusable component usingReact JSfor DOM manipulation.
• Wrote Client-Side code usingReact JSand usedNPM& gulp directories to generate teh server environments used browser, flux to manage with targeted URL's and to monitor teh application.
• ImplementedOAUTH2.0autantication protocol and providedOAuth2.0token implementation guidelines for enterprise web API security model.
• UsedWebpackfor bundling our application which takes JavaScript application and bundling it all together with its dependencies.
• Introduced and implementedWebpackinfrastructure to modernize JavaScript practices by extendingES6throughbabelloaders.
• Experienced in implementing theNode.jsserver-side code along with teh Expressframework to interact withMongoDBto store and retrieve data by using theMongoosepackage.
• UsedMongoDBinternal tools like Mongo Compass, Mongo Atlas Manager & Ops Manager, Cloud Manager etc.
• Developed Micro Services based API usingSpring BootandSpring Data.
• Implemented storing teh High-volume transaction data in NOSQL Databases usingSpring Data.
• Developed common reusable component libraries (CRUD Scaffolding) to be reused in different projects throughout teh company's IT team using GWT,Spring Data, JPA.
• Automated teh front-end workflow usingNPM.
• Automated testing usingMochaandChai.
• Created producers, consumer, and Zookeeper setup for oracle toKafkareplication.
• Design and build a large-scale globalDockerContainer-as-a-Service.
• Design and build Docker tools and integrations likeDockerimages andDockerPlugins.
• Worked onDockercontainer implementation for teh Enterprise build system.
• Micro services has been built using spring boot, Netflix OSS,Spring Cloudand deploying to AWS Cloud.
• Speeding up Existing Applications with a Cache services usingRedis Cache, Gem fire.
• ImplementedAWSsolutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups and usedAWSSDKto connect with Amazon SQS for bulk email processing.
• Closely worked with Application usingReact JSand Node.js libraries NPM, gulp directories to generate desired view and flux to root teh URL's properly.
• Responsible for implementing UI mockups, integrating third party react libraries, and handling/creatingReduxstore data.
• Created instances inAWSas well as migrated data toAWSfrom data Center using snowball andAWSmigration service.
• Worked on usingRule Engines,Droolswith corresponding to validate teh business User Roles.
• Worked with a team to develop and maintain an internal Log Delivery System, utilizing various Apache products,Kafka, andTomcat.

Environment: Mongo DB, Express JS, Angular 2.0, React JS, Node JS, Spring Boot, Redux, ES6, Web Pack, Grunt, NPM, OAuth 2.0, Spring Data, Mocha, Chai, Kafka, Docker, Spring Cloud, AWS, Drools.

Confidential, Woburn, MA

Responsibilities:

• Implemented multi-threaded synchronization processes, with JMS queues for consumption of Asynchronous requests.
• Implemented light weight WADL (Web application description Language) for better understanding of Rest based web services and its configuration.
• Used multithreading for writing teh collector parser and distributor process, which was getting real-time data from Zacks API in format ofJSON,usingmultithreadingimproved teh performance by a lot. Moreover, using concurrency package ofcollectionsmade it thread safe.
• Used SOAPUI to test for send and receive XML data and worked with JMS Queues for sending messages in point to point mode communication.
• Performed unit testing using JUNIT framework and tested DAO's and Business Services
• Provide 24x7 support to teh application in pilot and production phases. Support included being on conference calls, identifying and fixing bugs, investigating reasons for specific application behavior.
• Written complex SQL queries, Stored Procedures and Functions in PL/SQL for manipulating teh data.
• Worked on Lambda Expressions, Functional interfaces Stream API's, Time API, and Improvements on Collection, Concurrency, and IO improvements by usingJava 8.
• Developed and implemented Restful Web APIs, and exposes endpoints using HTTP methods like GET, PUT, POST and DELETE.
• Developed Servlets for server-side transactions and made use of AJAX for server-side processing without refreshing JSP page.
• Used AJAX and JavaScript for Client-side validations.
• Created Web User Interface (UI) using HTML5, DHTML, table less XHTML, CSS3 and Java Script that follows W3C Web Standards and are browser compatible.
• Used HTML5 wireframes with CSS provided by teh design team. JS is used to make it dynamic
• Used JavaScript, HTML, JSP pages for developing front end UI and wrote application level code to perform client-side validation.
• Designed new classes and functionalities using various JQUERY components for CRM application for customer service.
• Experience in generating Reports and Dashboards on Dynatrace and Splunk
• Configured Bamboo to handle application deployment onCloud (PCF) and to integrate with Git Hub version control.
• Migrated technology from Angular 1.0 to Angular 2.0 to use upgraded features such as Angular Components and Angular Routers as per teh strategy requirement.
• Developed application using Spring JPA, Angular 2.0 on teh presentation layer, teh business layer is built using spring and teh persistent layer uses Hibernate.
• Experience in implementing Mongo DB CRUD (Create Read Update Delete) operations by using Mongoose library in Node-JS including Angular JS.
• Used Message body Writer for converting Java types streams.
• Extensive professional experience in Developing and Deploying enterprise applications on web/application servers such asJBOSS EAP 5.1, Tomcat 5.x/4.x, Confidential WebSphere 6.x/7.x, Web Logic under Windows OSandUNIX
• Implemented AngularJS Controllers to maintain each view data. Implemented Angular service calls using Angular Factory with Dependency Injection to prevent scope conflict commonly found with JavaScript.
• Built Java Security Aplite add security and autantication to my application.
• Used Maven for compiling and building teh code.
• Used Subversion for configuration Management and Jira for task management and bug tracking.
• Extensively used Jenkins as Continuous Integration tools to deploy teh Spring Boot with Microservices to Pivotal Cloud Foundry (PCF) using build pack.
• Deployed our application on Pivotal Cloud Foundry (PCF) which is used to reduce teh development overhead by providing a ready to use platform.
• Involved in bug fixing during teh System testing, Joint System testing and User acceptance testing. Deploying teh applications and binding third party services like App Dynamics on Pivotal Cloud Foundry (PCF).

Environment: Angular JS, HTML5, CSS3, AJAX, Bootstrap, JSON, XML, Active MQ, JMS, Hibernate, DB2, SOAP-AXIS2, Restful services, JAX-RS SOA, EclipseJavaEE IDE Neon.3, Git, Log4j, DB2, Maven, TestNg, WADL,PCF.

Confidential

Java Developer

Responsibilities:

• Involved in development activities using Core Java/J2EE, Servlets, JSP used for creating web application
• Developed application using OOPS concepts and design patterns such as Singleton, Abstract Factory and Session Facade.
• Developed UI pages using HTML5, CSS3, JavaScript, jQuery, AJAX and JSON.
• Developed/Customized Java Server Pages (JSP) for Customer UserInterface (UI).
• Implemented JDBC for database connectivity with MySQL Server.
• Developed backend logic using Core Java including Collections, Multithreading andException Handling.
• Developed and implemented teh MVC Architectural pattern using STRUTS 2.0 framework including JSP, Servlets, and EJB.
• Developed teh business logic code in Core Java/J2EE, Struts, JDBC.
• Implemented Multithreading feature for processing teh multiple requests to achieve high performance
• Deployed Application using Oracle Weblogic Server.
• Worked extensively on JSP tags, JSP Directives and JSP Implicit Objects.
• Worked on sharing objects or variables between servlets using RequestDispatcher().

Environment: JAVA, J2EE, JSP, JSTL, Swing, JSP, HTML, CSS, servlets, EJB, Web Logic, MYSQL, STRUCTS 2.0, XML, JavaScript, java core like multithreading, collections, Interface and abstract classes, strings.

Confidential

Java Developer

Responsibilities:

• Experienced in using Front End editors like Dreamweaver, Sublime Text2 and Microsoft Expression Web
• Significant experience in web development tools like APTANA STUDIO, Adobe Dreamweaver CS3, CQ5, Spring Tool Suite, Eclipse
• Experienced in software development using SDLC Software development life cycle methodologies, Object Oriented Technologies, UML, Agile methodologies such as Extreme Programming XP, Scrum.
• Played key role in teh design and development of application using J2EE, Struts, and spring technologies/frameworks using Service Oriented Architecture (SOA).
• Consumed third party web services APIs and Web Services using AJAX and jQuery.
• Implemented SOAP Web Services for Data Ordering information with external vendors.
• Used SOAPUI for testing web Services with different end points. Involved in implementing enterprise SOA application projects.
• Designed, coded and tested key modules of teh project using java oops concepts, J
• Developed intermediary methods to retrieve data being sent to and from an object.
• Found and solved problems within teh system to make it more efficient.
• Strong Experience in database design using PL/SQL to write Stored Procedures, Functions Triggers and strong experience in writing complex queries, using SQL Server and MySQL.
• JDBC was used to make connection to MYSQL and retrieve necessary data from it.
• Used Log4J for error tracking.
• Tested and deployed teh application on Tomcat Application Server.
• Good noledge in teh configuration management and version control software like SVN.

Environment: Angular JS, HTML, CSS3, REST Services, Structs, SOA, JavaScript, jQuery, Git, Eclipse Java IDE.