Ajay Kaarthick Premkumar Email & Phone Number

Chennai Area, India

Chennai Area, India

- Working on providing Graph as a Service- Designed and implemented RESTful APIs and Actors in Scala/Squbs- Working on Address Normalization Service- Successfully forked and migrated the project to eBay adhering to Commerce OS Standards.Technologies Used: Scala, Akka, Squbs, Java, Titan Graph, Cassandra

- Worked on design and implementation of Modria's Multi-Tenant Dispute Resolution Portal in AWS- Designed the questionaire and workflow database models- Wrote Dynamic Questionaire system for Tenants to configure and capture the responses.- Wrote a Groovy script execution container for Tenants to code their own workflows in the system.- Introduced CI best practices - Responsible for setting up cluster and deployment in AWS and Production rollouts.Technologies Used: Spring, Spring JPA, MySql, AWS, Java, Groovy

Login with PayPal (LIPP) enables federated login for PayPal customers using OpenId Connect and SAML technologies.- Built REST and ASF services to give out Auth tokens based on various authentication and authorization parameters.- Built a policy engine to validate and approve Auth level using a set of pre-defined Auth Policies.- Worked with various PayPal teams for integrating their applications with LIPP.- Applauded by Director of User Authentication domain for delivering features on critical time and also Received Spot award.

Chennai

eBay's shipping tool for sellers in APAC region:~ Designed and Implemented a State Engine to calculate shipment states using configurable rules in database. ~ Leading the Performance initiative, achieved the goal of scaling application to 40000 active sellers with response of 5 sec 95% of time. ~ Showed 8X improvement product's overall performance while reducing memory footprint to half.~ Took initiative and Overhauled Label printing technology, with open source replacements, and reduced label size from 4MB to as low as 200KB and generation time from ~1min to 4sec.~ Ensured product quality and scalability, while working under pressure due to stringent Delivery milestones.~ Awarded Meteor Shower by eBay, recognizing my adaptability, quality of work, communication and high engagement levels, and was recognized as a role-model for team-work and commitment.~ Responsible for Production rollouts, enhancement and fixes, during the Pilot Users phase.~ First hand experience working in Agile mode of software development.Technologies used: Web Services, Jasper Reports, MySQL, iText, eBay in-house MVC and DAL frameworks

~ Developed a fully working Proof of Concept BPM portal designed in PegaRulesProcessCommander(PRPC), integrating GWT, Web Services and Jasper Reports.~ Created EJB 3 based WebService for integration with PRPC~ Implemented dynamic web UI in jQuery and custom pagination framework.~ Improved application performance, to avoid time-outs issues in Web Services when retrieving huge volume data from the Web Service.~ Involved in communicating Business and Web requirements to DBA and helped in optimizing Oracle Stored procedures.~ Provided QA and UAT support and successfully delivered the project to production.Technologies used: EJB 2.1, Web Services, JSP, jQuery, Weblogic 9, Web Services, GWT, PEGA Rules Process Commander, Jasper Reports

* Worked for a Healthcare Insurance client in U.S. Successfully delivered more than 5 insurance management applications. * Evaluated new tools/frameworks by creating Proof-of-Concept applications, before introducing them into core web applications.* Developed Use case Specification, Functional Specification along with UML diagrams. * Created SQL queries having complex sorting rules for sorting and listing a huge list of drug information.* Appreciated by client for Technical expertise and providing custom solutions on various issues in the project.Technologies used: Weblogic Portrals, Java, JSP, Struts, Servlets 2.4, EJB 2.1, IBatis, AJAX, jQuery,Oracle, Cygwin, Interwoven TeamSite, Ant, XDoclet, CA Siteminder, Weblogic Application Server, CVS