• Involved in the development of new features for Yahoo Demand-Side platform(DSP) tool with focus on video ads.• Implemented caching for API services using Redis sentinel setup and extended the same to enforce governance rule for externalization of API layer.• Played a key role in building a new framework and migrating DSP API(RESTful) tech stack from scala to java 8 with a MySql database.• Implemented user data replication algorithms within multiple Yahoo ad serving systems to enable improved targeting scores for ad serving. • Performed bidding component related changes for multiple Ad Exchanges• Developed Lucene indexing based Search API that will be used across the DSP system.• Contributed to spark scripts that would generate data for ad serving optimization• Took complete ownership of building continuous delivery pipeline for DSP API and DB systems• Constantly involve in code review that helps in code quality and learn best practices.

• Defined the scope of requirement and prepared technical design document.• Developed fields, records, pages, components, menus and application engine programs using application designer for implementing the Agreement module in PeopleSoft CRM.• Involved in preparing the Unit Test cases and doing the Unit testing.• Shared knowledge by effective documentation work.

• Performed regression testing for Yahoo APT, an ad management platform• Evaluated new Java based EWS testing framework• Developing new UI automation framework to ensure test script stability• Identify test scenarios and automate scripts for new feature deployments• Participate actively in daily sync ups and weekly sprint planning sessions

• Developed and maintained a Ruby based Commodity Expense Management tool.• Created and deployed Eclipse BIRT (Business Intelligence and Reporting Tool) reports to model and/or predict key expense and profit metrics.