In the AdTech group, worked in the Measurement & Reporting team, measuring performance of ad-campaigns, Attribution and Lift. Helping to drive up AdRevenue. As a team lead,

• Released apis for Walmart partners, enabling integrations and increasing advertisers reach.

• Found and fixed bottlenecks in database design limitations for time series views. Fixed the underlying design, resulting in 70% smaller index space and monthly cloud cost saving of $8K.

• Implemented ads-attribution data pipelines with Spark, Hive, BigQuery and Scala.

• Recently switched to Search Runtime team, which owns the search-api call that powers both, the product searches on walmart.com as well as browse experience. Handling complex scenarios of E-commerce + store retails with end-2-end latencies of few 100 ms.

Founded by ex-Waterline COO , Promethium delivers self serve BI software, that allows to discover, prep, model, visualize and share insights. It uses federated query engine (Presto) that eliminates the need for data movement (ETL).

• -Architected ‘API-First’ design and Lead Rest API development.

• -True Saas, multi-tenant Elasticsearch deployment with flexibility to respond to tenant needs.

• -Delivered comprehensive Authorization features that combines RBAC + ACL + Delegation + Workflows

• -Integrations like Looker

Building Big Data Catalog for Hadoop and large databases of all kinds and shapes. Self-serving Data portal for everyone in the enterprise. You could be a Data Scientist, Data Steward or a C-Level executive, powered by Hadoop and Solr.

(Cirrosecure) Built a multi-tenant, scalable data security service, (Cloud-Access-Security-Broker) to connect to Data Storage Clouds (like Office365, G-Drive, Slack, etc...) that surfaces risks of the connected-data-shared world, so that you can keep sharing and collaborating....You need a very flexible storage for this, MongoDB?

At Symantec, I got a chance to explore NoSQL and Big Data technologies, while helping to define the v1.0 product for Data Center Security. Also contributed to troubleshoot architecture/design problems in the existing enterprise products.