Twitter Communities* Spearheaded several key admin features for Communities on Twitter - Admin panel interface, invitation system, requests to join.* React / Redux API / persistence stack to fetch data and hydrate components (client-side rendering)* React Testing Library / Storybook to implement stories and integration tests.* GraphQL / Relay - leveraging direct-to-component GraphQL queries to simplify feature development.Home Team* Cross-functional work with upgrading Twitter's timelines and Tweet component to use Relay.* Implementing Brotli-based compression / encoding to improve Twitter bundle delivery speeds (i.e. reduce network load times)

Tech Lead * Oversaw team of engineers in an agency model to allocate engineers per quarter to different Twitter feature teams.Conversation Controls* Adding new functionality to Twitter’s composer - choose who can reply to your TweetsTwitter Subscriptions* Kickstarted basic user claims (subscribed features) implementation in twitter.comBroadcasts on Twitter.com* Bring Live Video features to Twitter’s new Web initiative for mobile devicesVideo UI* Building Post Playback overlays, Media Attribution, video titles + descriptions and adding closed caption support (in-band + out-of-band) to Video on Twitter.Configurable Video Player * Cross-functional effort to identify requirements across video orgs (news camera, live events, video on demand) and build a UI-configurable video stackLive Video (Periscope) * Pushing efforts to bring engagement and live video streaming live to the web.* Building out Periscope's authentication / OAuth system with third party integrations - Google, Facebook, Firebase etc.* Building Periscope's API-based universal single-page application on top of React, Redux and React-router, backed by a NodeJS Express server.

Recently promoted. Currently involved in a revamp of PayPal's Buttons / Button Factory. Heavy use of NodeJS / Javascript in the back end (Kraken) and JavaScript in the front end, using a lot of ReactJS on the front end as well as in isomorphic server/client-side rendering. Very interested in functional programming / reactive programming.Prior experiences with Java help in working with new RESTful APIs implemented in Java.

Transferred from the Singapore office, working on PayPal's core merchant product line. Primarily NodeJS / Kraken / Dust plus whatever front end javascript library works best (Angular / Backbone / VanillaJS?).

Working with XSLT, HTML, Javascript, YUI, jQuery, NodeJS, Dust JS templating, Java/JSP and Spring.

Doing finance report automation, working with Excel, SQL and JSP

Working on MOE TGIS Project

General J2EE projects and OpenCMS