Technical lead for scalable rule processor: designed & built UI for marketers to select customizable rules, built backend to process rules in AWS EMR. Ingest and filter against millions of records daily, and output result to internal marketers. Sped up system execution by 600%.
Technical lead for project to enable marketers to send daily intelligent, machine-learning driven insights to Amazon advertisers.
Led re-architecture of existing system into a more scalable approach, involving multiple designs and spanning months. Built system capable of ingesting millions of records.
Led initiative to improve operational excellence: enabled full end-to-end testing of internal tool and added a system health check that alarmed engineers when a code deployment would cause failures. Decreased CPU usage of internal service from 90% to 10%.
Participated in monthly, 24/7 one week on-call rotation. Engage with customers to discover and debug issues, and discuss with product managers to add feature requests to roadmap.
Led investigation into major system failures and presented two 6-page reports to leadership. Fixed all bugs documented in report.