● Worked as a key member of multiple Big Data project initiatives including eXtreme, ELT, Push Down Query Optimizer/Generator and AutoSync Data Loader from concept to launch.

● Augmented core Snaplogic platform components and developed new connectors (snaps) to support above initiatives, using AWS EMR, Azure Databricks, GCP and Spark framework

● Led and delivered Enhanced Account Encryption (EAE) feature, vastly increasing customer’s trust

and safety about their data. Led the entire project involving several teams (Platform Engg, Frontend,

QA, Docs) by working closely with Product Management.

● Trained Customer Support/Success teams as EAE requires customer specific AWS KMS

setup/config. Also provided tools to automate migration of existing accounts to EAE, and to perform

periodic KMS Key Rotation. This feature helped sales to win new logos significantly.

● Led the cluster/platform services group responsible for several critical components like Aster

distributed file system, compression module, config/deploy services etc. for Aster analytics platform

● Worked on key initiatives to migrate Aster platform onto Hadoop, Docker and Cloud (AWS and Azure)

● Worked on Slingshot, a FCGI application fronted by Apache, which routes all site requests (Web and API) to internal PayPal front-end applications. Worked on Routing Engine and Rule Engine

components of the framework.

● Provided optimized data pipeline for collecting and aggregating cookie data for analytics purposes

● Worked on Search/Cache Infrastructure serving millions of product catalog search queries for 30M unique visitors monthly

● Implemented automated Spider Management System to detect and block unfriendly bots and

crawlers at router and application level

● Provided optimized systems for collecting and aggregating click-streaming data for merchant billing

● Worked on Online Ad data processing pipeline application to process 15+ Billion events/day to track user’s interaction with various types of online ads served on Yahoo ad network. It is used to process data worth $2B+ annually in ad revenue for Yahoo.

● Developed common Execution Framework (yXF), which is used as the underlying platform by all

Yahoo Ad System’s data processing pipeline applications. Worked on Daemon framework, Queue

manager, and Map/Reduce computations components of the framework.

● Delivered impression/click metrics data feeds for advertisers billing, inventory forecasting, campaign planning, and pricing/yield optimization purposes on Yahoo Ad Systems