Albert Johnson Email & Phone Number

Seattle, Wa, Us

Seattle, Wa, Us

* Team worked on various multi-item constraint projects and created all purchase orders for Amazon’s worldwide retail business. * Led capacity management projects, which ensured items arriving at warehouses did not exceed warehouse receipt capacity.* Optimized the constraint optimization system, allowing execution of over 1 million complex constraints per second per thread, and improved memory usage, allowing requests twice as large to be processed.* Created an auditing framework for the constraint optimizer, allowing the team to debug its behavior.* Created a capacity management simulation system to support prototypes and test new ideas.* Led operational excellence projects. Created OE process to track and resolve technical issues resulting in over 50% reduction of OE tickets. Led project to reduce delays in creating purchase orders, resulting in over 99% decrease in the number of delayed purchase orders.

Seattle, Wa, Us

* Served as the team’s technical lead from 2014 onward.* Collaborated on the design, build, launch, and operation of Amazon’s Display Ads targeting platform. * Scaled up real-time targeting lookup service to handle tens of billions of requests per day and over one million requests per second.* Led operational excellence improvement projects. Created an OE process to track and resolve technical issues, which resulted in the team regularly clearing all OE tickets.* Led development on a user-matching platform, allowing Amazon to ingest third-party data and combine it with existing audience data. Clients regularly said match rates were the highest they had ever seen.* Led development of audience management system.* Designed a platform for executing segment creation workflows. Still in use as of 2022 Created permission management service for all of display advertising. Still in use as of 2022. Created a tool to estimate the size of audience segments in real-time. Helped create an audience analytics pipeline. Created domain specific language for defining audience segments. Still in use as of 2022.

Denver, Co, Us

summer jobskiped summer of 2007 for summer college cource