Ads Delivery, Ranking, Supply

Our org works on ML, algorithms and infrastructure to decide which ads to show (ranking), when and how often they are shown (supply, auction) and how and where to show them (format, delivery, new surface monetization) across Instagram.

Jul 2018 - Aug 2019: social graph ranking for messaging (stories, active now, sharing, search)

Aug 2019 - present: ads delivery, ranking, supply and vertical optimization for Instagram

Messenger Ranking (recommendation systems + ML infra for social graph ranking)

Core Infrastructure

Built and shipped the first version of a distributed key value store based on RocksDB which now serves over 4PB and 100M QPS with low latency for Ads, Homefeed, Related Pins and other use cases:

https://medium.com/@Pinterest_Engineering/3-innovations-while-unifying-pinterests-key-value-storage-8cdcdf8cf6aa

Caching, memory allocation, load balancing and price feeds for high frequency trading

Summer 2015, Summer 2016 (full-time); Fall 2015, Spring 2016, Spring 2017 (part-time)