Aug 2010 – Aug 2013 · 3 yrs · Greater Seattle Area

• ● Lead the re-architecture of AWS Billing and Payments Platform. This platform is the fundamental building block used by every AWS Service to facilitate billing and payments of their services.
• ● Designed and developed scalable distributed billing engine that processes ~1B records generating real time customer bills.
• ● Designed and developed backend services that execute ~1M payment transactions and collections workflows every month.
• ● Lead a team of 5 engineers and successfully delivered 5 backend services which operate at 99.99% availability.

Nov 2007 – Jul 2010 · 2 yrs 8 mos

• ● Played lead role in internationalization of CBA and launched CBA in Europe.
• ● Mentored and lead a team of 3 engineers in India to work on building CBA Merchant console.
• ● Involved in requirement gathering and analyzing the product gaps for US and EU.
• ● Designed and implemented a solution for integrating Fulfillment by Amazon (FBA) with CBA, reducing the merchant integration pain points.
• ● Integrated Checkout by Amazon with open source shopping cart vendors like ZenCart and OsCommerce, to facilitate quick merchant on-boarding and market acceptance.
• ● Involved in design and development of different releases of Checkout by Amazon like Callback API, Flexible Ship Options and Payphrase.
• ● Designed and implemented persistence layer for Callback API using hibernate and Oracle.
• ● Implemented Amazon specific automated test framework using XML, Junit and AspectJ to test the end to end checkout experience. This framework provided features like record and replays of the events, periodic test runs and was integrated with the build process for faster defect detection and enable test driven development.

Oct 2006 – Oct 2007 · 1 yr

• ● Developed automated testing framework using Selenium for Selling on Amazon (www.sellercentral.amazon.com). This framework improved the software quality and reduced defect leakage to production by 90%.
• ● Automated generation of weekly operational reports which eliminated ~156hours of manual work per year. These reports are used by business personals to evaluate the overall health of the system and quantify operational excellence of the product.
• ● Automated deployment process of monthly release of Seller Central software and content.

Jun 2005 – Aug 2005 · 2 mos · Austin, Texas Area

• Validated and tested the Starting point -Product Lifecycle Management Business Integration (PLMBI).
• Integrated SAP sandbox and SmarTeam server using PLM Integration server.
• Installed the product on Windows and Linux machines.
• Performed scenario testing.
• Analyzed, designed and developed Intranet portal website for department communication.

Aug 2004 – Oct 2004 · 2 mos

• Analyzed the results for different de-clustering methods.
• Compared the efficiency of different algorithms on different volume of data.
• Reviewed the existing code to improve the performance of the algorithm.

Jan 2004 – Apr 2004 · 3 mos

• Involved in requirement gathering and designing the GUI for the application.
• Designed the database and developed the web forms.
• Designed Test cases and performed Unit Testing, Black box
• Testing, and Load Testing.
• Trained the users to use the website in most efficient manner.