SUMMARY:

Full stack java developer with special expertise in APIs and web services. Comfortable implementing great user experiences, managing server side scalability and concurrency, designing database schemas and batch processing jobs, and deploying and admining servers. Experienced in building sophisticated distributed systems using REST/hypermedia web APIs (SOA). Product focused and deeply passionate about solving interesting problems.

TECHNICAL SKILLS:

• Web application development
• Web APIs/services
• SOA/distributed systems
• Open source
• Big data
• Agile, Cassandra, CoffeeScript, CouchDB, CSS, DSL, HTML, HTTP, Java, Javascript, JSON, Lisp, MySQL, Oracle, PostgreSQL, Redis, REST, Ruby on Rails, shell scripting, Scala, Scrum, Spark, SQLite, SOA, WebArch, web services, WOA, XHTML, XML

PROFESSIONAL EXPERIENCE:

Senior Java Developer

Confidential, New York

Responsibilities:

• Design and implementation of next generation automated demand response system.
• Design and documentation of REST APIs for collection and retrieval of high volume IOT telemetry data.
• Cassandra data model design for high volume IOT telemetry data.
• Administration of production Cassandra cluster.
• Use of Spark for batch processing and ad - hoc analytics
• Implemented JAVA Web Services based on SOA architecture with SOAP and WSDL.
• Designed and integrated the full scale Struts/Hibernate persistence solution with the application architectures.
• Used Hibernate as data mapping and persistence framework to implement data access abstraction.
• Designed the architecture for a scalable, maintainable, highly-available J2EE application using in Web logic.
• Architect and development of core components of a web site application using J2EE, EJB, Hibernate, SQL/PLSQL
• Developed the application using Struts Framework which is based on the MVC design pattern.
• Responsible for Design and Architecture of J2EE application
• Developed technical solutions to build Java architectural framework.
• Recommended new technologies and tools to support Java architecture.
• Design and architectural decisions for a multi-tier reusable service based J2EE application
• Developed web presentation layer using jQuery, HTML and CSS according to internal standards and guidelines.
• Implemented Ajax with JQuery to refresh results from Ajax page.
• Used JavaScript for developing UI Components like Editable drop down, data-driven menu customizations.
• Developed internal application using Angular.js and Node.js connecting to Oracle on the backend.
• Created web application prototype using jQuery and Angular.JS
• Implemented MVVM in all interactive views using jQuery& Knockout.js and layouts in Bootstrap.
• Developed frontend widgets in Backbone.js and Handlebars.js
• Wrote stored procedures in Oracle PL/SQL for data entry and retrieval
• Used JPA with Entity Beans for interacting with Persistence Layer for CRUD operations.
• Worked in RDBMS implementation using SOAP, SQL, PL/SQL, MySQL on Oracle database.
• Implemented the Connectivity to the Data Base Server Using JDBC.
• Developed Dash-Board to monitor and report Cache Coherence Servers.
• Created distributed Oracle coherence domains, configuration and system design based on oracle coherence.
• Utilized MongoDB database management system for keeping user generated data
• Bottle micro-framework implemented with REST API and MongoDB (NoSQL) as back end database.
• Design and Developed using WebService using Apache CXF.
• Developed Rest architecture based webservices to facilitate communication between client and servers.
• Used Eclipse IDE for designing, coding and developing applications
• Designed and developed SOA based enterprise system using Oracle SOA Suite and WebLogic
• Responsible for build and release the code from Subversion and Perforce.
• Developed JUnit test cases for all the developed modules.
• Agile/SCRUM was used as the project management methodology
• Developed the UML Use Cases, Activity, Sequence and Class diagrams using Rational Rose.
• Design & Development of the User Interfaces using HTML, CSS and JSP.
• Wrote Servlets programming and JSP scripting for the communication between web browser and server.
• Developed the User Interfaces using Struts, JSP, JSTL, HTML and Ajax, JavaScript.
• Used Maven script for building and deploying the application.
• Designed and developed Generate PDF functionality using Spring framework and iText
• Created web GUI: pages, tables and charts using GWT (Google Web Toolkit), java Freechart library using MVC pattern
• Worked with ILogJrule engine, to trigger the business rules in the rules execution engine configured in WebLogic application server.
• Developed automation test cases using Java and selenium on Eclipse for web 2.0 Ajax application
• Designing & implementing BPEL processes, business rules, web services using IBM SOA technologies stack.

Environment: Java, J2EE, Spring, Hibernate, Struts, Jquery, Ajax, SenchaExtjs, Javascript, Node.Js, Angular.Js, Bootstrap, Backbone.js, Oracle, Crud, Pl/Sql, Jdbc,ApacheCxf, Rest, Eclipse, Weblogic, Subversion (SVN), Mongo DB, Coherence, Junit, Agile, Uml, Jsp, Jstl (Java Server Pages standard Tag Library), Servlet, Maven, Itext, Google Web Kit (Gwt), Jasper Report, Ilog, Web 2.0, Soa.

Java Developer

Confidential, New York

Responsibilities:

• Led implementation of location based advertising on mobile web app.
• Developed initial phase of trip planning features for the mapquest.com.
• Design of multiple web APIs.
• Participate in strategic technology planning.
• Architect, Designed and implemented key services within the project.
• Developed the spring AOP programming to configure logging for the application
• Designing Architecture, developing and implementing components of day-to-day for user Web Interface.
• Used Hibernate as the ORM tool to communicate with the database
• Application was developed in J2EE using MVC architecture.
• Implemented Model View Controller (MVC) architecture for an efficient implementation of the view level customizations and interface with the application logic.
• Implemented MVC architecture using Jakarta Struts framework,
• Designed and implemented Service Oriented Architecture, enterprise service bus, web applications, databases, data warehouses, business rules.
• Used Java/J2EE, MVC, DAO and Value Object Design Pattern for component architecture.
• Architected the design for reading XML files using Groovy.
• Frontend utility is web application followed J2EE architecture. It used Struts framework to divide Model, business logic and presentation layers. Spring is also used for dependency injection for the necessary resources. JDBC template is also used to make database calls.
• Architected mainframe modernization solutions using SOA/web services, middleware integration technologies and ESB based on JAVA/J2EE.
• Implemented JSF framework in the application which is based on MVC design architecture.
• Implemented CSS3, DOM Api, DOJO and Ajax to create a dynamic and interactive experience.
• Created various UI components for different web pages using HTML, Javascript, ExtJs.
• Developed web pages using HTML/CSS and JavaScript.
• Designed Front-end using JSP, Servlets, HTML, AJAX, CSS and JavaScript.
• Designed the web user interfaces for all the above use cases using JSP, Struts, HTML5, jQuery, XML and Ajax.
• Created Node.js middleware application server to encapsulate modern JS widget framework and control set.
• Design software applications using HTML5, JavaScript, JQuery, Bootstrap, Angular JS, XML.
• Developed a fully functional prototype application using JavaScript (jQuery and Backbone.js) and Bootstrap, connecting to a REST-ful server on a different domain.
• Worked on DB2 data base for storing and retrieving the application data
• Developed the CRUD API for the POSEngine using Restful Webservices.
• Developed PL/SQL store procedures for data migration and database upgrade from oracle using TOAD.
• Used JDBC to invoke Stored Procedures and database connectivity to ORACLE.
• Worked with NoSQL database MongoDB and worked with it to perform many different operations
• Test the API responses for the WCS changes deployed on continuous basis, validate the GreenBox response data and MongoDB data.
• Implemented Coherence Cache which can be used with Spring Annotations.
• Implemented the validation, error handling, and caching framework with Oracle Coherence cache.
• Creation of REST Web Services for the management of data using Apache CXF
• Developed Web service components using WSDL, SOAP, JAXB, JAX-RPC with java.
• Consumed Web Services using Apache CXF framework for getting remote information
• Extensively used Eclipse as the IDE tool for creating the code.
• Deployed the application under WebSphere application server and involved in resolving deployment issues.
• Design and implementation of web applications in Java and HTML5/Javascript using Eclipse, Swing, GWT, JPA frameworks; and GIT maven source code environments.
• Used Github repository for version control.
• Developed test cases and performed unit test using JUnit Framework.
• Agile and scrum process is used for tracking and developing the application.
• Design and development of components, such as Class, and Sequence diagram in UML
• Developed user interface using JSP, AJAX, JSP Tag libraries to simplify the complexities of the application.
• Extensively worked with Servlets and Struts based multi tier applications in developing J2EE Components.
• Hooked up the JSP plugins with spring bind and JSTL tags in the HTML pages.
• Developed Maven scripts for various tasks to automate the build process and for the deployment of the application in Web Sphere server
• Developed Web Services to communicate to other modules using XML based SOAP and WSDL protocols.
• Developed order receipt report with bar code using lowageiText and jasper report.
• Involved in publishing the web content in the portal site by using the Oracle ECM
• Created the dynamic application prototype and implemented application UI utilizing Google Web Toolkit (GWT).
• Used JIRA and Green Hopper for tracking and assigning issues
• Integrated Jasper Report with Struts web based application.
• Worked on Securing WebSphere Portal with LDAP and DB2, WebSphere with LDAP.
• Worked on designing and creating business rules using IBM ILOG Rules Engine.
• Designed and implemented Rules infrastructure by wrapping up core JRules API.
• Developed a web 2.0 control console using GWT to manage data matching for data staging
• Created SOA software and hardware infrastructure, including Application Servers, Services Bus, Server Domains.
• Developed Message-Driven beans in collaboration with Java Messaging Service (JMS).
• Apache Tomcat Server was used to deploy the application.
• Involving in Building the modules in Linux environment with ant script.
• Built a website using Amazon Web Services(AWS) with PHP, MySQL

Environment: Java. J2EE, Spring, Hibernate, Struts, JSF, DOJO, Node.Js, Angular.Js, Bootstrap, Backbone.Js, SenchaExtjs, Javascript, CSS, Ajax, Html5, DB2, Crud, PL/SQL, JDBC, Apache CXF, Soap, Mongo DB, Coherence, Webservices, Eclipse, Websphere Portal, Git, Github, Junit, Scrum, UML, JSP, JSTL, Servlet, Maven, XML, Itext, Oracle ECM, Google Web Kit (Gwt), Jira, Jasper Report, Ilog, Jrules, Web 2.0, SOA, JMS, Apache Tomcat, Linux, PHP.

Software Developer

Confidential

Responsibilities:

• Participated in API design for several products.
• Architectured & Designed the Restful web services and developed core component layers like xml validation, core service layer, solr search and transformation components.
• Worked with the development team on the UI architecture and design of the prototypes.
• Used EJB, JMS, Java Script in enhancement of the product
• Used JQuery JavaScript libraries for providing richer user interface and facilitates asynchronous request invocations using AJAX.
• Create and maintain Amazon EC2 instance that supports the company’s project management site and Mercurial as version control.
• Build and maintained a Selenium Regression test suite.
• Designed Use Cases using UML and managed the entire functional requirements life cycle using water fall model.
• Designed the UML diagrams based on the OOAD principles
• JSON is used for serializing and deserializing data that is sent to or receive from JSP pages.
• Designed and Developed Servlets and JSP pages for authentication
• Used Ant for developing build scripts and deploying the application
• Built CVS and XML file loaders and splitters for financial data.
• Involved in issue tracking and agile project management using JIRA
• Designed Interactive GUIs using Java Applets and Swing.
• Implemented Cognos SDK code for extracting the report schedules defined by power users.
• Created web services using SOAP for SOA to get data from Mainframes and content manager.
• Generate Cobol procedures to apply business logic to the data.
• Batch program has been written using PL/I procedure
• Configuring and analyzing JCL to execute mainframe batch
• Wrote Java programs, performed builds, monitored DB2 data and ran SQL.
• Responsible for development and support of Service Activation System (SAS) written in JSP, Servlets, Spring, Hibernate and Web Services.
• Developed Java Script and Action Script, VB Script macros for Client Side validations.
• Developed web Application for the online giving application using ASP.Net (C#), HTML

Environment: Java, J2EE, Spring, Ibatis, Struts, JSF, EJB, Jquery, My Sql, Toad, Sql Server, DB2, Apache Axis2, WSDL, Netbeans, Jboss, Clearcase, Mercurial, Selenium, Waterfall Model, UML, JSP, Servlet, ANT, XML, EMC Documentum, JIRA, Swing, Cognos, Ilog, Oracle ADF, Oracle BPM, IBM MQ Series, Apache Tomcat, Linux, Unix, Ruby, Wordpress, Drupal, .Net, C, C++, Mainframe, Cobol, PL/I, JCL, SQL, SAS, VB, ASP.

Software Engineer

Confidential

Responsibilities:

• Designed REST APIs that allow sophisticated, effective and low cost application integration.
• Oversaw feature implementation across several products to ensure alignment with broader architectural and business initiatives.
• Led development of new open PaaS cloud solution from inception to successful release.
• Represented Confidential as a significant contributor to the development of the SPDX standard.
• Building shared vision of architectural initiatives for multiple products.
• SPDX RDF Vocabulary Specification Editor
• Developed / modified the model components to in corporate new business level validations.
• Responsible for the oracle schema design, generating various POJO objects and generating their corresponding Hibernate mappings (.hbm) files.
• Consumed WebServicesfor getting the credit card information from third party application.
• Used Singleton and DAO design pattern.
• Test Driven development is done by maintaining theJunitand FlexUnit test cases throughout the application.
• Log package is used for the debugging.
• Used ClearCase for version control.
• Ensuring adherence to delivery schedules and quality process on projects.

Environment: Java,J2EE,Java, J2EE, Spring, Hibernate, Flex, Action Script, MXML, XML, XSD, Java script, Blaze DS,Cairngorm MVC Framework, IBM RAD,ClearCase, Oracle 10g, Log4j, Weblogic, Sql, DbVisualizer, Webservices, Agile, ClearQuest, Maven, UML (Rational Rose), HTML, CSS and Windows

Software Developer

Confidential

Responsibilities:

• Led service oriented re-architecture effort which resulted in a highly maintainable and scalable system.
• Designed and documented REST/HTTP APIs, including JSON data formats and API versioning strategy.
• Instrumental in implementation and deployment of a multi-tenant software as a service (SaaS).
• Created dashboard to track and manage order fulfillment.
• Created Data model (Schema) of the Database.
• The project was implemented in Websphere Application Server for the development and deployment.
• Created components that have multiple views using States and also usedEffectsand Transitions when a State is entered or exited.
• Participated in regular code reviews and design meetings.

Environment: Java,J2EE,Java,JSP,J2EE,Hibernate,Log4j, Struts, JSON, Apache Axis 2, Spring, WebServices, Adobe flex builder, Flex API, Blaze DS, Flex, MXML, Action script, Tomcat Web Server, Websphere, IBM RAD, ClearCase, JQuery, Agile, VSS, Sql Server, Pl/Sql, TOAD, XML, CruiseControl, Unix, HTML,XSLT and CSS.

Fullstack Developer

Confidential

Responsibilities:

• Designed and implemented web application server.
• Evangelized the use of web services as a way to implement application integrations.
• Developed REST/HTTP APIs for exposing geospatial applications.
• Created the User Interface screens using Spring MVC for logging into the system and performing various operations on network elements.
• The users are classified into various organizations to differentiate the privileges between them in accessing the system.
• Used display tag to render large volumes of data. Bean, HTML and Logic tags are extensively used to avoid java expressions and scriplets in JSP.
• Spring Controllers that are having the business logic to select the EJBs to call.
• Design patterns like Session Façade, Command, Singleton and DAO are implemented in business layer.
• EJBs are created for Backend operations. Hibernate is used for Database persistence.
• JMS is used to send message objects to client queues and topics.
• JUnit test cases are created for unit testing.
• Log4j is used for logging purposes and debug levels are defined for controlling what we log.
• Ant is used for building the application EAR.
• Hibernate annotations are included for Oracle DB.

Environment: Java, JSP, Servlet, Struts, AJAX, JDBC, EJB, XML, XSL, JMS, MQ Series, Oracle, WebLogic, Ant, Axis &JBuilder, Win-XP.