Designed and implemented a multi-channel bulk SMS sending system which can submit SMS to specified SMG with SGIP protocol, archived automatic bulk SMS sending with adaptive flow control.Developed the microblog and searching module of an SNS called wolianxi.com, and some marketing web project.Developed iPhone mail client automatic configuration module for wo mail, the ChinaUnicom's 3G email brand.

A small company closely focus on newest web technology such as web 2.0, microblog, etc.. We launched our microblog system leihou.com in June 2009. Developed the backend of the microblog website using a java web framework (play framework), IM bots (MSN, QQ, XMPP) and SMS daemon using a GSM modem.

Rewrote SINA VIP webmail with PHP for new architecture, make FreeBSD ports and packages for deployment.Redesigned and implemented the mail decoder of SINA freemail, archived the memory usage of decoding email at a constant level. The compatibility of the decoder was also improved.Maintained an in-house branch of FreeBSD and gave technical support. Designed and implemented an automated installer of FreeBSD for batch install.Maintained a liveCD of FreeBSD for field engineers, cvsup and postsnap mirror for colleagues.Maintained several FreeBSD ports from 2007 to 2009. (databases/rrdtool, audio/py-musepack, mail/phpmailer, mail/pear-Mail_mimeDecode, www/phpbb3, www/moinmoin, etc..)