Technical lead on Drive Web Preview, a shared component providing document preview for user-provided content in Gmail, Google Drive, and several other Google products.

Designed and validated prototype for distributed data processing architecture for geospatial applications. Worked with GeoTrellis open source community to add features and port functionality from C library to Java.

Designed and implemented tool to make customizable extracts from user-volunteered internet performance data to support interactive web visualization. Used Python, Google BigQuery, PostgreSQL, SQLAlchemy, Flask, D3, Leaflet.

Worked with remote teams and open source communities to implement features and fix bugs in distributed, version-controlled spatial database (GeoGIg) using Java, Guice, GeoTools. Developed REST API for GeoGig using Scala, Akka, Spray in coordination with the client team consuming the API.

Worked with a team to prototype and build a geospatial web portal (GeoNode) integrating GeoServer (Java, Spring, GeoTools) with web frontend (Python, Django) and interactive browser visualization (JavaScript, ExtJS, OpenLayers). Helped to establish open source community process and coordinate with external developers. Supported customizations and provided on-site deployment.

Designed and implemented features and diagnosed and corrected bugs for GeoServer (Java, GeoTools, Spring, Restlet, Wicket.) Worked with open source community to ensure changes met community requirements. Worked with client developers to design REST API.

Graded assignments,Wrote assignments,Held office hours,Gave lectures