• Built Chinese version of Robinhood website

• Built signup flow for referral program

• Added logging infrastructure and ran several successful A/B experiments using it

• Added infrastructure for Webpack and React.js

• Skills: HTML5, CSS3, JavaScript, Django, Webpack, React.js

• Built the redesign of Twitter search UI

• Built component for showing user recommendations in the home timeline

• Built component for showing related tweets on permalink pages

• Built custom search experience for NFL Superbowl

• Skills: Scala, HTML5, CSS3, JavaScript, Flight.js, mustache

• Analyzed video memory allocations in Windows to enhance performance

• Built new tools to visualize video memory usage from both application/OS-centric perspectives

• Skills: C, C++, C#

• Worked in Mozilla Labs team on PDF.js, PDF viewer in Firefox written in JavaScript

• Proposed and implemented performance enhancements, improving loading time by an order of magnitude

• Added support for PDF annotations

• Skills: HTML, CSS, JavaScript