* Implemented software-side changes required for sharding a large SQL database* Helped introduce the use of web services, making it easier to scale and distribute systems and improving the transparency of database technology* Designed and built tools to improve systems monitoring and alerting, allowing flexible, reliable actions to be taken based on user-defined conditions.* Worked on the implementation of a system for replicating database changes across multiple database technologies on many servers in near-real time, dramatically decreasing the coupling required for replication* Introduced measurements using StatsD and Graphite to improve insights into performance issues, allowing us to quickly identify and resolve hotspots. Improved general page load times and reduced spiking across one application by up to 50% as well as having the insight to track and avoid future regressions.

* Built and improved several REST APIs in Java, for both internal and external use. Wrote documentation for the external endpoints. Developed a python client to gather data from the API, and surfaced it in a Django webapp.* Helped implement a real-time, scalable, message bus-based application to reliably synchronize data across different parts of the product using Thrift messages.* Contributed to a system for processing analytics data using Apache’s HBase system.* Wrote a number of automated functionality tests using the Selenium framework.

* Implemented algorithms in C++ for geometrically analyzing real life objects using a tool that measures the coordinates of surfaces in 3D* Wrote adapters to allow easy use of the libraries in MATLAB, Mathematica, and Maple* Documented the procedure as a patent application draft