Service Web Services

Vasanth Dharmaraj

Architect with ** years of software design and development experience

Key Accomplishments

●Integrated Akamai NetStorage and Akamai Edge Network services with Enterprise Offers Platform.

Saved $1.5 million in setup and annual costs compared to in-house Adobe AEM based system.

●Provided solutions to Mastercard’s Enterprise Offers Platform’s portal and Web Services API’s performance.

Increased offer author’s productivity. Reduced costs by negating the need for additional servers to support new external customers.

●Completely redesigned the westernunion.com from scratch with a modern, scalable and maintainable architecture .

Decreased the transaction completion time by 50% resulting in higher conversion rate thus increasing revenue. Reduced revenue loss by 20% due to fraudulent transactions by implementing a KYC (Know Your Customer) system.

●Helped architect the eGlobe framework, a framework for rapid portal development for Johnson and Johnson, Belgium.

The marketing team needed research portals on new drugs in a week's notice to be competitive in market. The eGlobe framework enabled rapid creation of portals. This coupled with Central Business News application led to very quick population of data in these portals.

●Envisioned and developed many internal tools to aid development, testing and software monitoring.

Developed various small tools to help developers and testers save time. Document management system for Akamai NetStorage. Test clients to perform regression tests on services. Database monitoring and alert tools. Quick edit tools for ACORD XML documents.

Key Skills:

Primary Skills

SOA, Web Services, Spring

Language

Java, Groovy

Application Servers

JBoss, Websphere, Weblogic, Fiorano ESB

Technology

Spring, Web Services, JEE, Hibernate/JPA

Tools

Memcached, Redis, Lucene, Spring MVC, Wicket, Spring WebFlow, Maven/ANT, JUnit, JMockit, ELK - Elasticsearch, Logstash, Kibana, Adobe CQ5, Guidewire ClaimCenter

Database

Redis, PostgreSQL, MS SQL Server 2005, H2, Oracle, Sybase

Integrations

Iovation, TeaLeaf, Akamai NetStorage, Guidewire ClaimCenter, Thunderhead, Documentum

Experience

Solution Architect at Mastercard, San Carlos CA (October 2014 – Till Date)

Technology: Redis, Lucene, Memcached, Web Services, Java, Spring MVC, Hibernate, JBoss, PostgreSQL

Project: Enterprise Offers Platform (Powering https://www.priceless.com/)

Description: The Enterprise Offers Platform (EOP) is offers management system powering Mastercard’s Priceless Cities loyalty program. EOP also provides the platform to Mastercard’s other external and internal partners. The platform provides a modern portal for creating, managing and targeting offers and a highly performant geo-based API to provide the offers in realtime to consumers.

Highlights

●Saved $1.5 million in setup and annual costs by integrating Akamai NetStorage and Akamai Edge Network services with the platform for serving media assets when compared to in-house Adobe AEM based system.

●Reduced portal page load times by 90% by designing and implementing effective caching strategy and optimized web services calls.

●Enabled real time offer change propagation using Redis’ Pub-Sub technology.

●Increased offer authors productivity and reduced translation costs by working with Priceless Cities team to streamline offer creation and simplify offer sharing.

●Provided a time saving solution of offer authors to drill down on hundreds of offers to find the right offer using faceted search with Lucene.

●Setup the following to increase developer productivity and increased code quality.

Automated testing environment on Internal Cloud using Jenkins, Selenium and TestNG.

Continuous delivery of application into QA environment.

ELK Stack (Elasticsearch, Logstash & Kibana) for performance monitoring, log analysis and alerting.

Technical Responsibilities

●Evaluating new tools and technologies that can improve the application in cost, performance, scalability, maintainability and marketability.

●Work with partners to understand their changing requirements and propose how the platform can be better leveraged.

●Work on identifying performance bottlenecks, finding solutions and implementing them.

Senior Architect at Western Union, San Francisco CA (November 2011 – October 2014)

Technology: WebShere 8.0, JEE 3, Wicket, Spring WebFlow, HTML5, JQuery

Project: WU Digital Web App (http://www.westernunion.com and https://m.westernunion.com)

Description: Build from the scratch the new westernunion.com based on a flexible architecture to enable rapid iterations and revisions to the site. The new architecture allows the HTMLs designed by the product design team to be seamlessly integrated with the web application with minimal to none developer assistance. The HTMLs are consumed as is by the wicket based presentation framework and the flow of the pages are controlled by the Spring WebFlow based framework. The architecture is flexible to accommodate multiple country and language sites as well as mobile sites served from the same application. Currently the US westernunion.com and mobile m.westernunion.com are released.

Highlights

●Decreased the transaction completion time by 50% resulting in higher conversion rate thus increasing revenue.

●Seemlessly integratred westernunion.com using secure single sign on with Western Union Business Services’ Online FX system to handle high principle transactions.

●Reduced revenue loss by 20% due to fraudulent transactions by implementing a KYC (Know Your Customer) system.

●Integrated with TeaLeaf to track customer behaviour and troubleshoot customer issues.

●Integrated with Iovation to collect device data to prevent fraud.

●Secured application against CSRF using OWASP’s CSRF Guard.

●Integrated with Adobe SiteCatalyst to capture site analytics.

Technical Responsibilities

●Primary architect to design the complete web application architecture

●Developed presentation, flow and backend integration framework for the web application.

Technical Leader at Kemper DIrect, Jacksonville FL (July 2009 – November 2011)

Technology: RAD 7.5, WebShere 7.0, JEE 3, OpenJPA, XML Beans, JMS, H2, JMockit

Project: Message Sequencer

Description: The Event Routing System used in Kemper makes it is possible that messages will be retrieved off of a given recipient's queue in an order that is different from the order in which the events were generated by the producing system. A number of recipients need to be able to ensure that they consume messages in the same order that those messages were generated. The Message Sequencer Service is developed to support any situation where messages may need to be consumed in the same order in which they are produced.

Technical Responsibilities

●Part of the team that designed the solution.

●Completely developed the solution.

Technology: RAD 7.5, WebShere 7.0, JEE 3, OpenJPA, XML Beans, JMS, H2, JMockit

Project: Forms Service

Description: The forms service is a ESB service which generates Policy, Claim and Billing document to be printed by an external print vendor. The service consists of the following components: Thomas Rules Engine, Thunderhead Document Producer, Post Processor, Print Bundler and Content Management System.

Technical Responsibilities

●Designed the Forms Tracking and Print Bundling Services

●Performed the vendor assessment of different PDF to Tiff and MS documents to PDF converters

●Created a test framework to test database interactions via an in-memory database solution

●Developed a Master Build Script to simplify build file creation for new J2EE applications.

●Developed an audit application to track the flow of documents through the system: Thomas Rules Engine, Thunderhead Document Producer, Post Processor, Print Bundler and Content Management System.

●Created a Web Service to retrieve documents from Content Management System in PDF format. The service converts other formats in to PDF on the fly.

●Designed and Developed the print logic in the forms service

●Performed a vendor assessment for Java based reporting framework, selected Jasper Reports

●Created developer guides for using Jasper Reports and iReport.

Architect at Wyeth Research, Princeton, NJ (June 2008 - July 2009)

Technology: Weblogic, Pipeline Pilot, J2EE, Web Services, Ant, Eclipse, JBuilder

Project: Compound Registration and Sample Submission (CRSS)

Description: The CRSS application is developed to help research chemist register the newly discovered compounds into the corporate database. The software also assists in submitting the samples of the compound to the compound dispensary.

Technical Responsibilities

●Produced the High Level Design of CRSS

●Developed the Low Level Design and Work Packages for development team offshore

●Produced the Data Flow Diagram and proposed RD Files as DTO

●Analyzed the legacy applications to reverse engineer the business rules

●Defined the Vendor Assessment Criteria for Compound Registration Systems.

●Performed Vendor Identification and short listing for Compound Registration Systems.

●Did a feasibility study on in-house integration of Cambridge Soft E-Notebook and CRSS using the provided SDK

●Developed Pipeline Pilot Protocol, created framework to access these protocols from Java

●Performed a vendor assessment for Java based reporting framework, selected Eclipse BIRT

●Designed the integration framework of BIRT with existing applications

●Created BIRT walkthrough documents for development team to reduce the learning curve

●Created a migration plan to migrate the development environment from JBuilder to Eclipse IDE

Consultant at New Jersey Manufacturers Insurance Company, NJ (Jan 2007 – June 2008)

Technology: Guidewire ClaimCenter, Web Services, J2EE, GScript, WebLogic, JUnit, Ant, Eclipse

Project: ClaimCenter General Claims

Description: The project involves customizing and integrating the Guidewire ClaimCenter application into New Jersey Manufacturers Insurance Company’s existing underwriting and claim systems. The work consists of designing and developing integration points using web services, creating plugins for adding custom functionality, workflow management and customizing the user interface.

Technical Responsibilities

●Involved in JAD (Joint Application Development) with the business team, business analysts, developers and testers to collect requirements.

●Produced design documents for web services integration points for Guidewire ClaimCenter implementation

●Identified and documented the non functional requirements

●Performance tuning of web services.

●Optimization of Claim Center API calls.

●Produced a design for a security framework for web services and internal tools using JAAS.

●Evaluated various XML compare tools.

●Designed an Eclipse XML Compare plugin for Guidewire User XML.

●Designed and developed GScript rules for automatic claim assignment based on region, role and load of the Adjuster.

●Designed and developed an adapter to integrate a claim entry system used by an external vendor using web services and ESB.

●Developed a policy adapter web service to integrate ClaimCenter’s integration point with legacy underwriting system.

●Developed a plugin for address validation using external web service.

Architect at Misys Risk Management Systems, Bangalore (Jan 2005 – Oct 2006)

Technology: SOA, Fiorano ESB, Core Java, JUnit, Ant, Eclipse, UML

Project: Risk Vision

Description: Risk Vision is a suite of integrated risk management applications, which provide comprehensive support for enterprise-wide credit, market and liquidity risk management, as well as global limits management. The four separate applications comprising Risk Vision are RV Data, RV Analytics, RV Carma, RV Capital Calculator (Basel II Solution) and RV Limits.

The product is being re-architected using Service Oriented Architecture (SOA) to seamlessly integrate all applications of the suite. The tools used to enable SOA are Enterprise Service Bus (ESB), JIBX (tools for XML serialization and deserialization of Java POJO) and Java Data Objects (JDO).

Technical Responsibilities

●Involved in the Brainstorming for envisioning the Design and Architecture of Risk Vision Release 6.0

●Designed and developed the Middle Tier Framework for Risk Vision. The purpose of the framework is to facilitate business work flow, provide a web services gateway for the WinForms based Dot Net front end and integrate the C++ based engines.

●Identified and documented performance requirements, load balancing strategy and performance testing plan.

●Designed and developed the Business Object Repository for use across services.

●Involved in designing the Security Framework for the system. The framework used Kerberos for authentication, LDAP for storing authorization data and WS Security for communication between the Java middle tier and Dot Net front end.

●Designed and developed the Batch Processing Service. The batch service used chain of responsibility to tie together various business operations like security, validation, persistence and processing.

●Designed and developed the 4 Eyes (dual authorization) Caching Service. The service stored the transactions that needed dual authorization in an ‘in memory’ database (Hypersonic DB) till it is authorized. The service also provided notification and query facility.

Consultant at Johnson & Johnson, Belgium (Feb 2002 – Nov 2004)

Accomplishments:

●Helped architect eGlobe, a framework for rapid portal development.

●Designed and developed an XML caching framework. The database is used by multiple applications and is heavily loaded. The caching framework stores the data locally in XML and invalidates them based on time or change in data. The concept was designed as a result of performance analysis of the system.

●Developed a tool to monitor the caching performance of the system. This tool is a Java SWT desktop application which shows the size, number of hits on the above caching framework. Cache can also be invalidated using this tool.

●Developed a code generator for developing skeleton gears (portlets). This code generator generates the required Java classes, JSPs, CSS and configuration files. This reduces the lead time in developing a portlet.

●Developed the Data Access Layer using ATG Repository. The ATG Repository is an Object Relational Mapping tool. The DAL is used to provide a uniform interface to the repository and provided a utility to convert the repository objects into business objects.

●Developed Custom Tag Library for rapid development of gears (portlets). The custom tags provide standard forms for search, display results and provide navigational features.

●Designed and developed a REST (REpresentational State Transfer) based web service to distribute business news across the organization.

Projects:

eGlobe Framework and Portals (March 2003 – Nov 2004) - J2EE, JUnit, Ant, ATG Dynamo, ATG Portal Server, Convera, Documentum, Eclipse, UML

CBN – Central Business News (Sep 2002 - Feb 2003) - J2EE, REST (REpresentational State Transfer) web services, ATG Dynamo, Convera, UML

ENP (Jul 2002 - Aug 2002) - J2EE, UML, Weblogic, Ant

CHAINS (Feb 2002 - Jun 2002) - J2EE, Weblogic, JUnit, Ant, Barracuda, XDoclet

Programmer Analyst at Cognizant Technology Solutions, India (Aug 1999 – Jan 2002)

Accomplishments:

●Helped develop a custom swing component framework. The framework builds on the swing framework to enhance the user experience. The framework provides additional components like date picker, multi-select fields, masked text fields and advanced tables widgets. The framework also provides data binding to components.

●Helped conceptualize, design and develop a portal for the media vertical. The portal is used to train and certify associates in Media Business. It is also used as a knowledge repository.

Projects:

Call analysis and tracking (Nov 2001 - Jan 2002) - C++, UNIX, Sybase, Nmake

Gemini (Aug 2000 – Oct 2001) - EJB, Swing, Applets, UML, JUnit, Ant, Weblogic

MediaZone – Portal (May 2000 - Jul 2000) - ASP, MS SQL 7.0, IIS 4.0

Quasar (Apr 2000) - Visual Basic, ActiveX

Laser Downstream Testing Tool (Aug 1999 to Mar 2000) - REXX, M204, MVS

Education

Bachelor's degree in Mechanical Engineering (1995-1999)

Regional College of Engineering, Tiruchirappalli, India. (Now called National Institute of Technology)

Personal Projects

Android Applications

Droid Save and Droid Save IP: Tools to save links to Read It Later or Instapaper services for later reading.

Eclipse Plugins

SolarEclipse: Contributed to a CSS editor to the open source project.

Turnhout: Eclipse addon to search Google from within any editor.

Dot Net Applications

Twink: Twink is an Ink enabled Twitter client. The software uses Tablet PC SDK for Ink Analsys and WPF and XAML for presentation.

Comparator: Comparator is a tool to display any web page using both Internet Explorer’s and Mozilla’s rendering engine. This is very useful for web developers targeting both the browsers. Supports advanced features like synchronized scrolling.

Chrome Extensions

Google Reader Notifier: Google Chrome Extension to show unread count in Google Reader.

PageRank: Google Chrome Extension to show the Google PageRank of the current site.

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