Work on Google’s buy-side advertising platform DoubleClick Campaign Manager and DoubleClick Bid Manager. Responsible for designing and implementing infrastructure of the buy-side trafficking platform, including backend infrastructure, caching system, API, validation, buy-side business modeling, distributed NoSQL storage solutions. Contribute full stack end to end features with Angular UI and Java backend. Lead a team of four working on distributed caching system.Work on Google’s sell-side advertising platforms in Google Shanghai during 2007-2013. Including DoubleClick Enterprise, DoubleClick for Publisher.

51.com was one of the leading social network startup in China in late 2000’s. It quickly expanded its business into online gaming field. I was one of the founding members of the game department, helped growing the game department from four people to 80+ people, developed and released multiple massive multiplayer online games (social games and MMORPGs) with millions of users.http://game.51.com/

Worked on massive online game platform QQGames with 3+ millions concurrent users. Lead a team of 10+ engineers developing the game client.https://qqgame.qq.com/