* Built an automated anomaly detection system that tracks tens of thousands of data streams in real time and sends alerts to subscribers in case of unexpected behavior.* Assisted in the migration of Facebook's primary monitoring system from mySQL to HBase.* Lead a group of four engineers rebuilding Facebook's primary detection and alerting system from the ground up.* Tech Lead for the Feed Ads Quality team, building ads ranking systems that ensure that ads on Facebook and interesting, relevant and high-quality.* Tech Lead for Search Quality Metrics. I revamped the way Facebook measures the quality of the search experience by designing a user-centric metric based on survey results. * I helped to spin up several user-satisfaction surveys that became a key part of Facebook's Search metrics* Tech lead on the User Measurement team within Integrity Measurements and Insights, where I helped develop metrics used to measure user perceptions of harmful experiences.

Research assistant and full time PhD student

• Created multiple online web games using ASP and SQL Server 2000, responsible for all technical design decisions and technical project oversight.• Designed and built NCAA Bracket Blast, Fantasy NASCAR, and Fantasy PGA Golf for FoxSports.com using C#, Javascript, and PL/SQL• Designed and built an enterprise wide prize fulfillment system using C# and SQL for all cash and merchandise prizes on all games.

• Managed the development of the corporate intranet, StarMedia Central, through its entire life cycle.• Implemented a multilingual document management system that allows administrators to upload content in English, Spanish, and Portuguese and users to browse, search and download files.• Worked with Human Resources to develop a SQL Server database schema to store all organizational, contact, compensation, and benefit information for all StarMedia employees in all global offices.

* Engineered an automated software installation and updating system in Java that allows users to log on once, see which games are uninstalled or out of date, and choose what to download accordingly. The program uses HTTP sockets to download data from the server.* Built a Java animation engine, providing tools to create smooth system-adaptive animations.* Developed Java code to interface with ad servers.* Designed, produced, and programmed multiple Java games* Worked on the development and maintenance of a system of load testing “robots” used to simulate several thousand users simultaneously connected to the Playlink server.

* Designed multiple educational CD-ROM games through their entire lifecycle. * Built both Windows and Mac versions in C++.* Worked closely with artists, designers and UX researchers to understand and implement requirements.