SUMMARY:

• 7 Years of experience in Design & Development of software applications and customized software using Java/J2EE & open source frameworks.
• Strong working experience in application Development using Core Java, Spring, Hibernate, Web Services - SOAP, JSP, Servlets, SQL, XML, HTML and Tomcat.
• Worked on Multi-tier web application development using MVC architecture, Design Patterns, JSF or Spring MVC.
• Used Web services (SOAP and RESTful) for transmission of large blocks of XML/JSON. 
• Strong knowledge of OOAD (Object Oriented Analysis and Development), OOP (Object Oriented Programming) and applying OO principles in full Software Development Life Cycle. 
• Expertise in Java, Multithreading, Exception Handling, Servlets, JSP, Custom Tag Libraries, Struts, Spring, Hibernate, Enterprise Java Beans, JDBC.
• Experienced in designing AWS cloud models for Infrastructure-as-a-Service(IAAS), Platform-as-a-Service(PAAS) and Software-as-a-Service(SAAS) 
• Hands on experience with technologies like Object Oriented Design Methodologies, Information Systems Development Methodology (ISDM), J2EE, JAXB, JAXP, JPA, Client server Technologies, Swing, Web-Services, Spring Security and Spring Framework. 
• Experience in Application development maintenance, Automation and Open Source software and Product implementations 
• Expertise in developing applications using three tier architectural frameworks such as MVC like Struts 2.0, Spring 3 and ORM Technology like Hibernate 3.0. 
• Working Experience with Puppet, Ansible, Chef, AWS (OPS Work) and OpenStack. 
• Expertise in using source code control systems such as GIT, JIRA, and Jenkins for maintaining versions across various releases.
• Ability to develop solutions based on both Relational and NoSQL database systems (Mongo DB). 
• In depth understanding of Scala programming language along with lift framework. 
• Development experience includes web applications using Java 8, J2EE, JSP, Servlets, EJB and APIs like JDBC, Java Mail, JNDI, XML, JavaBeans, Portals, Portlets.
• Excellent Knowledge of various Web & Persistence frameworks like Struts, Spring, and Hibernate. 
• Experience in web technologies like HTML, XML, JavaScript, AngularJS, JQuery, AJAX, and CSS3. 
• Involved in SOA implementation using SOAP and XML processing APIs, REST Web Services. 
• Build applications on Application/Web Servers like Apache Tomcat, JBoss, BEA WebLogic, and IBM WebSphere.
• Good knowledge in implementation of version control software SVN, CVS and Git. 
• Experienced in Quality Control Automation development project using Java Selenium RC Grid, QTP and Winrunner 
• Experience in writing Build Scripts using Shell Scripts, ANT, MAVEN and using CI (Continuation Integration) tools like Continuum and Jenkins. 
• Experience in developing web based applications using Java and J2EE technologies such as Servlets, JSP, JDBC, Struts 2.0, Spring, Hibernate and Web Services.
• Worked with different databases such as Oracle, MySQL, SQL Server, and DB2. 
• Experience in Automation, Installation and overall Configuration Management of servers using Puppet and Chef. 
• Good knowledge of SQL programming language in Oracle PL/SQL database environments. Developed stored procedures, triggers, views, complex join queries. Strong and in-depth knowledge of various relation database systems. 
• Extensively worked on subversion, GIT, Jenkins, Crucible, Maven and Jira.
• Expertise in building configuration files on various frameworks such as Spring, JPA, and Hibernate.
• Extensive experience in Application Software Design, Object Oriented Design, Development, Documentation, Debugging, Testing and Implementation.
• Extensively worked on writing SQL queries. Expertise in Web Services architecture in SOAP and RESTful.
• Working knowledge in creating UML diagrams (Use case diagrams, sequence diagrams, class diagrams) using Microsoft Visio.
• Strong experience in using RDBMS like Oracle 11g, PostgreSQL and My SQL.
• Experience in client side technologies such as HTML5, CSS3, JavaScript and jQuery.
• Experience in unit testing the applications using JUnit Framework and developed logging and standard mechanism based on Log4J.
• Goal Driven Developer with comprehensive understanding of various software development approaches such as SDLC and Agile Scrum methodology.

TECHNICAL SKILLS:

Languages: Java, SQL, JavaScript, C/C++, .Net 

Web Technologies: JSP, Servlets, HTML, XML, JSON, AJAX, JQuery, CSS, JavaScript, Bootstrap 

Database: Oracle 11 g/ 10g, SQL Server, MySQL, PL/SQL 

Servers: WebSphere, Apache Tomcat, WebLogic, JBoss EAP 

Frameworks: Spring MVC, Hibernate, Spring, Web Services (SOAP & RESTful), Jersey, Apache CXF, Struts, Struts 2.

IDE/Tools: STS, Eclipse, GIT, SVN, Maven, JIRA. 

Testing: JUnit, Mockito, Jenkins, JMeter. 

SDLC Methodologies: Waterfall, Agile, Scrum

PROFESSIONAL EXPERIENCE:

Java Developer

Confidential, San Jose, CA

• Designed and developed a web-based test client using Spring, Struts, JSP, Tag Libraries, JavaScript, HTML and XML to test different parts of the application. 
• Configured Jenkins server and build jobs to provide continuous automated builds based on polling the Git source control system and periodic scheduled builds overnight to support development needs using Jenkins, Git and JUnit.
• Developed entire frontend and backend modules using Python on Django Web Framework. 
• Utilized BASH Scripts and Right scale to do initial server provisioning, and Puppet to deploy and update applications including Datastax Cassandra, Apache, Tomcat MySQL, and other Proprietary applications. 
• Implemented Maven build scripts for automation application deployment scripts.
• Wrote python scripts to parse XML documents and load the data in database.
• Generated scala and java classes from the respective APIs so that they can be incorporated in the overall application. 
• Implemented Microservices based Cloud Architecture on AWS Platform and Cloud Foundry. 
• Designed and implemented automation for systems integration validation using Server Spec, Ruby and Power shell. 
• Programmed and Developed of modules involving Spring MVC, AJAX, Servlets, JSP, JSTL and JS.
• Developed user interface using JSTL, Custom Tag libraries, HTML5, Java script and CSS3.
• Cloud Front Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management using puppet.
• Used Hibernate OGM as a persistence engine providing Java Persistence (JPA) support for NoSQL data stores. 
• Managed servers on the Amazon Web Services (AWS) platform instances using Puppet, chef configuration management. 
• Conducted simultaneous queries and retrievals using Java Multithreading techniques.
• Involved in writing Thread Safe blocks for multi-threaded access to make valid transactions.
• Used Hibernate ORM in data access layer to write DAOs. Developed hibernate mapping and Configuration files. 
• Created Typescript reusable components and services to consume REST API's using Component based architecture provided by Angular 2.0.
• Used the Java Persistence Query Language (JP-QL) as an interface to querying stored data, in addition to using native queries of the specific NoSQL database. 
• Worked extensively with React JS and developed real time applications using React JS architecture- Flux for building UI and designed reusable components using React JS. 
• Deployed and monitored scalable infrastructure on Amazon web services (AWS) & configuration management using puppet. 
• Wrote entities in Scala and Java along with named queries to interact with database.
• Responsible for developing and exposing several RESTful operations using spring rest clients.
• Wrote JUnit test cases and ensure minimum code coverage. 
• Implemented Presentation layer using CSS Framework, AngularJS, HTML5. 
• Used Microservices architecture with Spring Boot based service through REST 
• Implemented Struts 2 Framework with EJB 3.0 classes as Model which is interconnected with database.
• Used Spring Framework for DI/IOC and ORM components to support the Hibernate tool. 
• Modified and tested stored procedures and packages written in Oracle PL/SQL.
• Designed and implemented a custom automation framework for internal customer service applications using Selenium and internal web services. 
• Implemented Java Multi-Threading and thread handling issues during application development. 
• Provided production and backend support for web application within a stack of Struts 2, Tomcat, and MySQL.
• Implemented Installation and configuration of multi-node cluster on Cloud using Amazon Web Services(AWS) on EC2. 
• Deployed and monitored scalable infrastructure on Amazon web services(AWS) & configuration management using puppet. 
• Evaluated and migrated existing infrastructure to Amazon AWS using EC2, EBS and RDS, resulting in significant overall cost savings.
• Involved in migrating code from SVN to GIT repository.
• Implemented Docker containers and created clients respective Docker images and leveraged Apache to manage Cluster hosts for Applications.
• Developed the User Interfaces using Struts, JSP, JSTL, CSS, XML, HTML,NoSQL, XSLT, and Ajax, JavaScript. 
• Implemented various screens for the front end using React JS and used various predefined components from NPM (Node Package Manager) library.  
• Designed and develop web based application using HTML5, JSF, CSS, JavaScript (JQuery), AJAX, JSON and JSP framework used DOJO for JavaScript and worked with AJAX and AngularJS to create interactive front-end GUI. 
• Implemented object relational mapping using JPA and Hibernate framework.
• Used J2EE design patterns like Session Façade, Data Access Objects, Factory, MVC & Singleton Pattern.
• Used Subversion (SVN) version control system to maintain current and historical versions of files such as source code, web pages, and documentation.
• Designed and implemented automation using Java and Selenium.
• Created a dashboard for viewing test automation results.
• Worked in the enhancement of registration servlet application using Java, servlet, JSP, Spring and implemented MVC2, DAO, DTO design patterns.
• Programmed and Developed modules involving Spring MVC, AJAX, Servlets, JSP, JSTL and JS.
• Built Web pages that are more user-interactive using JQuery plugins for Drag and Drop, Auto Complete, JSON, Angular.JS, JavaScript, Bootstrap.
• Used JPA for data persistence with Oracle database. 
• Worked on RESTful web services to provide resource APIs for other systems and to create the front end dynamic content.
• Design and development of various web and enterprise applications using Type safe technologies like Scala, Play framework.
• Utilized React JS to develop customer service application to facilitate real time data and report transfer application. 
• Used Spring-Hibernate integration and JPA ORM in the back end to fetch data from Oracle and MYSQL databases.
• Designed and Implemented Cassandra NoSQL Database with associated RESTFUL Web Services that persists high-volume user profile data. 
• Used PL/SQL Tables and Records in payment generation process.
• Designed and implemented test automation using Selenium and TestNG for exercising a web services API.
• Applied object oriented methodologies and core J2EE design patterns like Business Delegate, and Singleton.
• Implemented the user interface using the JavaScript, JSP, AJAX, Angular.JS, HTML, CSS and Bootstrap. 
• Involved in implementation of Information system development methodology (ISDM)for designing, analyzing for the developing systems.
• Deployed Micro service architecture using Pivotal Cloud Foundry 
• Worked on setting up and integrating the registration servlet application in WebSphere application server with the back ends.
• Extensive use of Docker for developing test cases and performed unit and integration, tested by using JUnit. 
• Designed and implemented test automation using a combination of Javascript and Selenium. 
• Involved in design and development of server side layer using XML, XSD, SOAP, JAXB, JDBC, JMS, JDK, JNDI, EJB using Eclipse IDE.
• Used React JS and Node JS to develop faster, scalable application. 
• Used multithreading to improve performance in generating the reports in Java. 
• Developed test suite framework and regression tests for rules and alerts engine, recovery engine, object manipulation functionality, import/export engine and user-defined function handling using JUNIT.
• Developed JSP pages for presentation layer (UI) using Struts with client side validations using Struts.
• Designed all portions of application using DynamoDB NoSQL database. 
• Develop back-end messaging infrastructure for real-time web application in JavaScript, jQuery, node.js.
• Used client-end templating for rendering JS-render templates which would take complex JSON as input data.
• Developed various helper classes using core Java multi-threaded programming and collection classes. 
• Developed RESTful Webservices for CIP using Java, SpringBoot, NoSQL databases like Couchbase. 
• Attended daily stand-ups, retro, show & tell. Maintained the code repository using subversion.
• Created stored procedures, functions, packages, collections, triggers, object types to implement complex business functionality. Implemented data optimization, scrubbing and manipulation of staged data using PL/SQL packages. 
• Configured AWS identity and Access Management Groups and users for improved login authentication and implemented continues Delivery Pipeline with Docker, Jenkins and GIT Hub. 
• Used O/R mapping tool Hibernate for rapid development and ease of maintenance.
• Worked on Single node/Multicluster setup using technology NoSQL and MongoDB. 
• Configured Jenkins server and build jobs to provide continuous automated builds based on polling the Git source control system and periodic scheduled builds overnight to support development needs using Jenkins, Git and JUnit. 
• Involved in writing complex SQL queries to replace the hibernate criteria/HQL to improve the performance of DAO layer.
• Wrote scala test cases to test scala written code. 
• Developed Ant, Maven 2 build scripts for generating the deployment files that are not IDE dependent and that is scriptable for continuous integration.
• Integrated the spring cloud application to send messages to the Rabbit MQ. 
• Updated the required data in the Oracle database to save and update the database using JDBC, corresponding to actions performed in the struts class.
• Migrated Spring based application to Cloud based Micro Service API. 
• Used NoSql Mongo, DB2 for the database. 
• Used GIT for version control, and Jenkins for Continuous Integration and Continuous Deployment (CI/CD). 
• Wrote JUnit Test cases for unit and integration testing.
• Responsible for deploying Components to Development environment, System Test Environment, and User Acceptance Test environment.
• Participated in the discussion with the business experts to understand the Business requirements and put them into product backlog for agile development.
• Developed the automatic build scripts using maven for the application to deploy and test.

Environment: JDK, RESTful Web Services, JBOSS EAP 6.4, XML, JavaScript, HTML, CSS, Jenkins, GIT Hibernate, SQL Developer, Linux, Eclipse, Oracle 11g, Struts, Subversion, WebLogic, Clear case, Soap UI, JIRA, Agile, JUnit.

Java Developer

Confidential, Nashville, TN

• Designed and develop web based application using HTML5, JSF, CSS, JavaScript (JQuery), AJAX, JSON and JSP framework used DOJO for JavaScript and worked with AJAX and AngularJS to create interactive front-end GUI. Used Jenkins as a continuous integration tool for the GIT version control setup.
• Experience in working with  NOSQL  database on code migration to AWS. 
• Developed Docker images to support Development and Testing Teams and their pipelines; distributed Jenkins, Selenium and JMeter images, and Elastic Search, Kibana and Logstash (ELK & EFK) etc. 
• Worked on J2EE Architecture using Java, Multi-threading, JDBC, Java Beans, EJB, Servlets, JSP, JSF, Adobe FLEX, Struts, JUnit, ANT, Log4J, UML, XML, SAX, DOM, XSLT, CSS, HTML, JavaScript etc.
• Worked with Node.js use to multiple threads for file and network events.
• Made changes to the existing web applications and creating new components using React.js. 
• Maintained the code base by frequent updates to the code repository using GIT HUB.
• Developed JUnit test cases for member portal and reg. servlet application and testing.
• Created a demo website running on a Node.js, using the Express framework, Jade, and Backbone.js with Mustache.js for front end MVC/templating.
• Utilized Cassandra,  NOSQL  database management system for keeping user generated data by upgrading of Couch base and Cassandra cluster. 
• Used React.js framework for navigation items. 
• Implemented multi-threading on a critical classis to assure safe threading process. 
•  Created/managed Mongo DB/NoSQL collections. Developed Server side automation using Node.js scripting and connecting different types of SQL and NoSQL stores. 
• Built scripts on AWS cloud for scheduling EC2, Auto Scaling and Elastic load balancer with Java 
• Implemented or exposed the Microservices based on RESTful API utilizing Spring Boot with Spring MVC. 
• Used subversion for version control across common source code used by developers. Used Java, JSF, Spring, JPA annotations for the application.
• Involved in application development in core java using multithreading, collection and exception handling. 
• Generated Java APIs for retrieval and analysis on No-SQL database such as HBase and Cassandra. 
• Designed and Developed UI components, which includes layered POVs and Carousels using frameworks react.js and jQuery in conjunction with Bootstrap, Node.js 
• Designed and developed NoSQL solutions for all users. 
• Built and managed Docker containers and images using Docker-Java libraries. 
• Designed and developed UI screens using Struts 2, JavaScript, JSP, HTML, DOM, CSS, and AJAX.
• Configured Jenkins with Apache Ant and Gulp for continuous integration into various environments.
• Experienced working with Jenkins for Continuous Integration (CI) of the project.
• Wrote automation framework using Selenium Web Driver with TestNG framework.
• Wrote the automation frame using page object model and page factory design pattern. 
• Designed and developed various applications with J2EE design architecture and frameworks like Spring MVC, Spring Boot with Micro services. 
• Developed Java API to connect with AWS S3 Services for storing and retrieving data from S3 buckets 
• Developed Single Page Applications (SPA) using Angular2, node.js and react.js.
• Developed various helper classes which needed following core Java multi-threaded programming and collection classes. 
• Used Spring framework and J2EE components, Utilized Spring MVC, IOC, AOP and DAO modules.
• Developed Front-end Web application using JSP, HTML, JavaScript, JQuery, and CSS. 
• Used the most popular streaming tool KAFKA to load the data on Hadoop File system and move the same data to MongoDB NoSQL database 
• Implemented RESTful Web Services using Spring MVC and JSON.
• Used version control repository SVN (Subversion by apache), JIRA/ Quality Center for ticketing, Wiki for documentation, Jenkins for nightly build.
• Used Apache Cordova for building native mobile applications using HTML, CSS and JavaScript where the command line runs on NodeJS. 
• Designed Frontend with in object oriented JavaScript frameworks like Angular.js, Node.js, React.js and Ext.js. 
• Used Docker in the implementation of application on the cloud over Linux platform 
• Worked on Object Oriented principles, Collections Framework, Multi-threading using Core Java.
• Worked on Integration of Spring and Hibernate Frameworks using Spring ORM Module.
• Designed and developed a web-based test client using Spring, Struts, JSP, Tag Libraries, JavaScript, HTML and XML to test different parts of the application. 
• Used Git as version controlling, branching and tagging the code.
• Reduced web service response time using JPA compared to existing mainframe response time.
• Designed competent PL/SQL programs using PL/SQL collections, Records types, Object types.
• Used Spring JDBC Template and Hibernate to interface with the database. 
• Designed various tables required for the project in Oracle database and developed Queries, Prepared Statements, and Stored Procedures. 
• Involved in various phases of Software Development Life Cycle (SDLC) like Requirement Gathering, Analysis, Design, and Code Development.
• Deployed Servlets, JSP, and JSF and fine-tuned them for better performance.
• Used Maven to manage dependencies and automatic the build process. 
• Developed Test Cases using JUnit and cooperated with QA team in integration testing. 
• Followed Agile Methodology and used JIRA for planning and bug tracking.

Environment: Java, J2EE, Spring, Hibernate, Struts, Servlets, Web services, REST, JSON-RPC, HTML, JSP, JavaScript, JQuery, JSON, CSS, JBOSS, Google Maps JavaScript API v3, XML, Log4J, SVN, JUnit, Toad, Oracle 11g, Tomcat, WebLogic, Spring Tool Suite, JIRA, and Windows.

Java Application Developer

Confidential, McLean, VA

• Designed and implemented the UI using HTML, JavaScript, CSS, JQuery, JSON and AJAX. 
• Developed applications in a single page (SPAs) using various JavaScript frameworks like AngularJS, Backbone.js and Ext.js
• Developed & Implemented the functionality with Spring Security to secure the REST services/REST API for authentication & authorization and generate & validate the tokens for REST clients.
• Analyzed and refined efficient search platform using  NoSQL  Elasticsearch engine, allowing for much faster, more scalable and more intuitive user searches for our database of spas worldwide.
• Implemented GUI pages by using JSP, HTML, and Servlet. 
• Involved in the development of presentation layer and GUI framework using CSS3, HTML and ReactJS. 
• Worked in the enhancement of registration servlet application using Java, servlet, JSP, JSTL, Spring, HTML, Angular JS and used design pattern like MVC.
• Written CORE JAVA & Multi-Threading code in application. 
• Involved in writing PL/SQL stored procedures by using PL/SQL. 
• Used spring framework for the business layer using DAO, Spring ORM, Spring Web MVC modules. 
• Develop JUnit test cases for unit testing.
• Worked with AWS to implement the client-side encryption as Dynamo DB does not support at REST encryption now.  
• Designed and developed the REST based Micro services using the Spring Boot, Spring Data with JPA 
• Integrated Hibernate framework with spring framework to communicate with the back-end process. Used Git as version controlling, branching and tagging the code.
• Implemented Page Object Model automation framework with Selenium WebDriver, Java and Cucumber. 
• Costumed node.js proxy used to simulate API responses before client implementation was complete, and to proxy requests to finished client APIs, handling authentication, custom headers, virtual application root, etc. 
• Created entity classes for JPA to use with hibernate. Worked in client-side validation using AJAX, Java Script, HTML, and CSS. 
• Built SOA micro services architecture to support enterprise level application. 
• Developed web interface for Users Modules using JSP, HTML, XML, CSS, Java Script, AJAX, and Action Servlets with Struts Framework, spring frame work.
• Implemented the online application by using Core Java, JDBC, JSP, Servlets, Web Services, SOAP, and WSDL.
• Used Angular JS framework where data from backend is stored in model and populated it to UI and used DOJO for JavaScript. 
• Created Docker containers and Docker consoles for managing the application life cycle. 
• Involved in configuring the Git repository and maintain the version control using Git. 
• Analysed business requirements and cross-verified them with functionality and features of NOSQL databases like HBase, Cassandra to determine the optimal DB. 
• Worked to develop this Web based application entitled EMR in J2EE framework which uses Hibernate for persistence, Spring for Dependency Injection and Junit for testing.
• Developed applications in a single page (SPAs) using various JavaScript frameworks like AngularJS, Backbone.js and Ext.js 
• Communicated with other Departments by using Web Services with the help of SOAP, and WSDL. 
• Worked with Jenkins for code analysis after code push.
• Wrote RESTful services on the server in Node.JS to listen to requests from devices. 
• Used stored Procedures, SQL, and HQL to store, retrieve, delete and update the database tables. 

Environment: XML, DOM, SAX, WSDL, SOAP, JSP, JDBC, CSS, HTML, Web Services, SQL, HQL, PL/SQL, Oracle10g, PL/SQL Developer, SQL Developer, Log4j, Windows XP.

Java Application Developer

Confidential, Pittsburgh, PA

• Developed the application using Struts following MVC architecture.
• Used Angular.js as the development framework to build a single-page application.
• Worked on angular resources for all data access and standardizing data access interfaces.
• Implemented the application using the concrete principles laid down by several Java/J2EE Design patterns like MVC, Singleton, Data Transfer Object (DTO). 
• Designed web screens for various modules using JSF, HTML, DHTML and CSS and used JavaScript client side validation.
• Designed and implemented web services using of REST Web services by using Jason formatting language. 
• Identified the participating pages and the navigation paths between pages.
• Developed action and form classes based on Struts framework to handle the pages.
• Setup the Automation framework to run test cases in multiple browsers and platforms. 
• Used WebLogic Workshop page flow technology.
• Created several JSP's and populated them with data from databases using JDBC.
• Designed and developed EJBs to handle business logic and store persistent data.
• Developed Web Services to retrieve data from legacy systems. 
• Involved in coding using Java Servlets, created web pages using JSP's for generating pages dynamically.
• Involved in developing forms using HTML and performing client side validations using JavaScript.
• Developed server side functionality for Admin Interface features (adding a User, Modifying the User Details, Assigning Roles, Modifying Roles etc.).
• Used J2EE Singleton design pattern. Used EJB Session Beans.
• Planned and implemented various SQL, Stored Procedure, and triggers.
• Used JDBC to access Oracle database and implemented of connection pooling.
• Performed building and deployment of WAR, JAR files on test, stage, and production systems.
• Developed automation scripts using VBA for log file validations, test data setup and other data validations involving text files, xml and database. 
• Used BEA WebLogic Application Server. Used ANT for the build process. 
• Deployed the applications on JBoss Application Server.
• Used SOAP and WSDL for web services. Deployed the application JBoss Fuse application server. 
• Used Spring Rest Template to use the exposed REST Web Services. Used Spring AOP in case of logging and2 security.
• Extensively used JUnit and defined Various Test Suites and Test Cases.
• Involved in writing the Ant scripts to build and deploy the application.