Nov 2017 – Aug 2019 · 1 yr 9 mos · San Francisco Bay Area

• Targeted advertising: This includes the dashboard which enables the advertisers to specify the targeting configurations and also applying this targeting during Real time bidding
• Model insights: This is a dashboard which provides insights to the advertisers into the machine learning models which drive the scoring of the advertising campaigns during Real time bidding.

Jan 2014 – Oct 2017 · 3 yrs 9 mos · Mountain View

• Worked on building backend big data processing pipelines from scratch, scaling them.
• Worked on e-commerce search. Implemented algorithms in Solr to improve the ranking and relevance of search results.
• Also worked on Merchant controls to provide knobs to merchants to personalize the ranking of search results for search queries
• Worked mostly on Cascading, Hadoop, Play framework, Django framework, Solr, Cassandra.

May 2013 – Dec 2013 · 7 mos · Bangalore

• Built the Subscription management system and spellcheck for erosnow.com from scratch.

Dec 2009 – Apr 2013 · 3 yrs 4 mos · Bangalore

• Implemented various features in Kindle direct publishing https://kdp.amazon.com/ which is a web portal for publishers to upload their books for sale on Amazon.
• Worked on Kindlegen which is used to convert e-books in HTML, EPUB format to Mobi file format which is used in Kindle.
• Worked on the Fraud detection systems in Amazon which do seller side fraud detection which happens during seller registrations. This system does fraud checks for seller, AWS, associate, kdp, advertiser registrations.