Build a PubSub system(https://github.com/funkygao/gafka)：10B msg/day，1M msg/s，10TB/hBuild a microservice gateway：1.2B requests/dayBuild a data bus system that transports mysql binlog to other targets(https://github.com/funkygao/dbus)Design(ongoing) a distributed customizable state machine sysetmMaintains middleware system: zookeeper、kafka、redis、memcache、haproxy、varnish、storm、tfs, etc.

Tech leader of RoyalStory game: https://apps.facebook.com/playroyalstory/Leading a new large scale real time strategy mobile game technology.Reverse engineering of a lot of games.Design and implement a universal realtime strategy game engine in php from scratch: https://github.com/funkygao/fungameDesign and implement critical infrastructure codebase:* a middleware layer for gaming(rpc engine): https://github.com/funkygao/fae* a pluggable application alarming system: https://github.com/funkygao/dpipe* a large scale cluster based chat and server push system based upon MQTT: https://github.com/funkygao/mhubDevelopment of a IDL/annotation system that helps to decouple frontend and backend engineers: https://github.com/funkygao/automanResolved many technology hard issues: parallel, critical section, distributed lock, concurrent update, atomic, race condition, scheduler, non-stop smooth linear scales, strong consistency, etc

Refactor a big codebase of nearly 1M lines of php codeBuild coding standard, review standard and standard development process for php engineersCreated a MVC framework (https://github.com/funkygao/phpservlet and ActiveRecord framework: https://github.com/funkygao/phparImplement MapReduce in golang to analyze/alarm real time app eventsMany projects in kaixin001.com, including account system, hot reloadable daemon, feed system, etc

Whole tech team management and chief architect.See info at www.dongao.com:* designed the backend entire stack* build an AdsAlliance with PayByCommission model* scales with biz model* designed a bootstrap-like UI framework* tried and adopted many open source softwares* contributor of NSQ

build up a R&D team of 5 members in charge of Internet infrastructure constructiondesign and implemented eLong large scale free email systemcoding of a smart dns system based on bind8

Bug fix, code review, testing and coding for a cluster management system(LSF)