•Added category bidding in campaign management for both search brand amplifier and consolidated ads to allow advertisers to target selective category keywords to dominate a particular category. (Play Framework, Java, Hibernate, Oracle, Cucumber)
•Published category bidding to Kafka and processed bidding messages in Apache Storm in real time and finally created category bidding query in Solr document and MySQL table for ad retrieval. (Kafka, Storm, Scala, Solr, MySQL)
•Modified ad search and ranking system to retrieve the relevant keyword bided or category bided ads without negative keywords, and return the ads with highest rank score when customer visited Walmart online store. (Docker, Jenkins)
•Increased the reach rate from 2% to 20-25% for search brand amplifier by prediction.
