SUMMARY:

• Over 6 years of professional experience in development and deployment of various Object oriented and web Enterprise Applications using Java/J2EE technologies.
• Development experience with J2EE technologies and JDBC, Web Services (SOAP, WSDL), JMS, JUnit, JPA, HTML, Ajax, CSS, JavaScript, LDAP and AXIS.
• Good experience in using Struts, Spring MVC, Spring Web flow, Hibernate and JavaScript.
• Expertise in design and development of web applications using JSP, JavaScript, HTML5, CSS3, JQUERY, AJAX, JSON, DOJO, Adobe Flex4, Flash, XSL, XSLT, Node.JS, Angular.JS, Backbone.JS,bootstrap..
• Strong Experience in Designing and Programming of Algorithms in C / C++, Java.
• Experience in multiple Servers like IBM WebSphere, WebLogic, Jboss and Apache Tomcat.
• Experienced with the Database development skills using Database Servers like MySQL, SQL Server 2005, Oracle and MongoDB.
• Experienced in NoSQL technologies like MongoDB, Cassandra and relational databases like Oracle, SQLite, PostgreSQL, Dynamo DB and MySQL databases.
• Excellent insight in Model View Control (MVC) architecture, Service Oriented Architecture (SOA), Design Patterns, UML.
• Experience in publishing and consuming SOAP/WSDL/JAX - WS based web services using Apache Axis and JAX-RS based web services using Apache CXF.
• Good Experience in software development process using Agile and Scrum. Proficient in creating server-side components, design implementing Business Tier Objects, User Interface design and development, Unit testing, debugging and Deployment.
• Built Spring based Java services to support enterprise web application and proficiency in programming with different Java IDEs like Eclipse and MyEclipse, Intellij.
• Experienced with Java Multithreaded programming to develop multithreaded modules and applications.
• Working under a senior software architect, prototyped a Kafka-based message queuing system as a Spring.
• Designed and developed custom Mongo DB applications specific to clients' needs.
• Deployed applications in weblogic, tomcat and Pivotal Cloud Foundry (PCF) environments
• Used Hibernate ORM framework as persistence engine and configured O/R mapping.
• Hands on experience with JUnit, Http Unit, JWeb and Unit in developing test cases and determining application functionality.
• Hands-on experience to SCRUM Agile model, XP Practices like Pair Programming and Test Driven Development (TDD).
• Hands on UML compliant high level design with data flow diagram, Class Diagrams, Sequence Diagrams, Activity Diagram and Use Cases and documenting for peer developer.
• Good knowledge working with developing component based reusable applications and Workflow automation using Clear Quest, UML, Rational Rose and Visio.
• Hands-on scripting language like CGI using Perl, PHP. Nad on service-oriented approach (SOA) using ActiveMQ for integration.
• Excellent communicational, analytical, business and interpersonal skills. Comfortable working independently and also a good team player. Highly motivated to take independent responsibility as well as has the ability to contribute and be a productive team member.

PROFESSIONAL EXPERIENCE:

Sr. Node Js Developer

Confidential, Los Angeles, CA

Responsibilities:

• Implemented load-balancing with NGINX to allow dozens of Node JS instances to handle thousands of concurrent users.
• Developed user interface using JSP with JavaBeans, JSTL and Custom Tag Libraries, JS, CSS, JQuery, Node.js, Angular Js, and HTML to speed the application.
• Developed various daily jobs using PL/SQL stored procedure to update notification status in multiple tables.
• Used Agile/ Scrum development methodology and maintained Scrum related information in Rally.
• Hands on experience on web services (SOAP, REST) and applied Agile methodologies; MVC design pattern used; accompanied with Hibernate persistence.
• Developed and performed unit testing scripts with Junit API and PowerMock API in TDD environments.
• Provided design and mentor framework integrated implementation for interactive web application development.
• Implemented the services using Spring Boot and Spring Cloud and used Spring MVC framework for building the application based on MVC design paradigm.
• Optimized Microservices using NodeJS and ES6 as interfaces to Cassandra NoSQL database.
• Developed the S park-Kafka-Producer-Consumer module and was involved in developing applications using Java and J2EE.
• Experience with Front-end JavaScript frameworks like Angular JS, Node JS. And with the creation of RESTful Web service.
• Developed backend logic with golang and open source libraries such as gin and gorm. Solved frontend issues on gitlab tracing the problem through the whole stack.
• Designed and implemented container-based polyglot microservice architecture using Docker and ActiveMQ for new application infrastructure.
• Implemented unit test cases, test suites using Junit Framework and provided technical direction with JavaScript, JQuery, and Ajax.
• Played Key role on setting up Apache web service and Deployed the application on tomcat and cPanel Application Server.
• Have work exposure on continuous Integration and continuous Delivery (CI/CD) tools such as Jenkins.
• Used Bootstrap and AngularJS, React.js and Node.js in effective web design.
• Developed the Servlets, Data Access Layer classes and retrieved data using Servlets, JDBC and harmonized data coming from different sources using Kafka to bring it to consistent format.
• Designed necessary backend Java classes to support data access and user authorization. Completed test cases using Junit.
• Implemented the Microservices using S pring Boot and Spring Cloud and used Spring MVC framework for building the application based on MVC design paradigm.
• Used Hibernate framework (ORM)to connect the application with the Database and for Entity Relational Mapping.
• Developed Data Access Layer using Spring JDBC framework and wrote SQL queries and Stored Procedures for interacting with the Oracle database.
• Developed and optimized services using NodeJS and ES6 as interfaces to Cassandra NoSQL database.
• Enabled different security authentication mechanisms across mongo instances.
• Redesigned and re-implemented services using NGINX, Node JS, Express JS, Mongo DB, and MySQL.
• Implemented contracts administrator service using Kafka, Spark and Java.
• Designed the Backend-API using mongoose with express framework. Connected to the Mongo database using Mongoose.
• Assisted in analyzing and querying multiple, complex database sand systems to produce reports and database was part of production support team to resolve the production incidents.
• Documentation of common problems prior to go-live and while actively in a Production Support role.

Environment: Eclipse, Java, JavaScript, CSS, XML, spring, Netbeans, Angular Js, Hibernate, Node Js, Kafka, JBOSS, Spring 3.1, Tomcat, JPA, JQuery, RESTful, JSON, Junit,Nginx.

Java/J2EE Developer

Confidential, New York, NY

Responsibilities:

• Designed and developed application based on Spring Framework and using Hibernate for persistence.
• Worked on Schema design, created database tables, triggers, and views, JMS, XSLT, XHTML, Hibernate Configuration and Mapping, Spring Configuration, DAOs, Services, Controller, Validator.
• Led the design and development of the application which served as one click solution for Insurance Financial Services users to generate Invoices via print and email attachments, providing capability to generate various Financial reports in MS word / PDF format used by executive registrar office with a flexibility to pull data through student accounts Care core database.
• Optimized services using NodeJS, ES6 as interfaces to Cassandra NoSQL database and p rogrammed and prepared code for interfacing with Apache Tomcat systems.
• Worked on setting up cloud environment and supported Amazon AWS services like EC2, S3, VPC, RDS etc.
• Added dynamic functionality to the application by implementing JQuery, Node js.
• Modularized front end CSS and JS code with Sass.Built a real time mouse/click user analytics web service with Node.js
• Creatied virtual boxes for development integration and testing using Docker, Vagrant, Chef Recipes and Ansible.
• Spearheading company-wide transition from Redis to Elasticsearch for caching and catalog browsing/searching.
• Created shell scripts and updated the scripts as per the requirement. Developed scripts for inbound and outbound of the data on servers.
• Designing, implementing, testing, and supporting integrations with cloud environments, especially Azure and OpenStack.
• Successfully involved in Test Driven Development(TDD) model using JUNIT and Spring Framework.
• Specified, prototyped, developed and tested an object-oriented, multiplatform C++ framework containing support to: data structures, common algorithms sockets, threading.
• Used Jenkins and Maven to manage automated builds from SVN and to track promotion status.
• Created theTechnical Details Document containing the design details, development and deployment documents on wiki.
• Built Spring based Java and Scala Microservices to support Enterprise Web application.
• Extensive usage of JQuery, AJAX, Angular js, display ta g, Table decorators, Direct Web Remoting, CSS, Bootstrap providing ability generate dynamic form element for adding expense, table sorting, search filters, auto expansion text, pagination.
• Design and development of Invoice generation via email and printer using Jasper Reports.

Environment: s: Java, Python, Swing, J2EE, Spring, Hibernate, Spring Web flow, Spring Batch Admin, Spring security, XML, XSLT, Angular js, OC4J, Tomcat, SVN, Ant, Maven, RCP, Oracle 11, Eclipse RCP, JQuery, PL/SQL, DWR, SQL developer, Git, Linux, Quartz, Jasper Reports, Bamboo

Java/J2EE Developer

Confidential, San Antonio, TX

Responsibilities:

• Involved in analysis, design and development of Expense Processing system..
• Designed Use Case Diagrams, Class Diagrams and Sequence Diagrams and Object Diagrams, using IBM Rational Rose XDE to model the detail design of the application.
• Designed and developed various tables required for the project in Oracle 10g database and also developed the application using Spring MVCFramework.
• Utilized HTML, XHTML, DHTML, CSS, JQuery, JavaScript and Ajax for client side development and validations.
• Developed front-end applications using ReactJS, Flux, NodeJS and Docker and Built Spring based Java and Scala services to support Enterprise Web application
• Performed Client side validations using JavaScript and also used AJAX Framework for Confidential of Bill Expense Information.
• Developed user interface using JSP, HTML, XHTML and Java Script to simplify the complexities of the application.
• Deployed the applications on IBM WebSphere Application Server and was involved in configuring Spring controllers using IOC.
• Optimized Microservices using NodeJS and ES6 as interfaces to Cassandra NoSQL database.
• Performance monitoring, tuning and troubleshooting WebLogic, JBOSS, Tomcat and Apache server instances.
• Used Hibernate in data access layer to access and update information in the database.
• Developed Hibernate Configuration files for MySqlServerand Mongo DB and implemented Business processes such as user authentication, Transfer of Service using Session EJBs.
• Used Web services - WSDL and SOAP for getting credit card information from third party.
• Used XML parser APIs such as JAXP and JAXB in the web service's request response data marshalling as well as unmarshalling process.
• Followed Test Driven Development(TDD) and developed test cases using JUnit for all the modules developed.
• Used Log4J to capture the log that includes runtime exceptions, monitored error logs and fixed the problems.
• Used subversions as version controller/Created ANT scripts to build the application and deployed on WebSphere Application Server.

Environment: Struts, Hibernate, Spring, EJB, JSP, Servlets, JMS, XML, SOAP, WSDL, JDBC, JavaScript, UML, HTML, JQuery, JNDI, SVN, Log4J, RAD 7, Windows XP, Web Sphere App server, Rational Rose, Oracle.