Manage VOIP development team for an App on android / iOS platform.

Leading design and development of cloud based service gateway project - This project originally services as an integration layer of the APIs and evolved into a generic public service gateway.- Designed the large scale service logging solution with Hadoop, Flume- Researched and designed the data storage solution with NoSQL technologies. Hadoop, Cassandra, HBase, MongoDB. - Designed the service proxy, Oauth2 compatible security control - Designed and participated in implementation of developer network that work with API service gateway- Designed and implement the Map/Reduce program for report feature.- Java, SpringMVC/Spring Data, MongoDB, Hadoop, HBase, Map/Reduce, Led the mobile application and mobile website development team- In charge of developing iOS, Android, WP7, and mobile web site for our clients.- Designed and implemented the Restful services for the data repository.- Android, Java, SpringMVC/Spring Data, Jersey, MongoDBLed design and development of Sitemaker management website- Designed the framwork of the website.- In charge of implement, led the development team.- Communicated with our client and did requirement analysis. - Java, SpringMVC/Spring Data, MongoDBLed the Applyful website development team- This project services a tool website for graduates from high school to apply to university. Graduates could gather apply infos to their spaces in Applyful from internet by clicking the [gather button] in bookmarks in web browser(like Pintrest).- Java, Play framework, Morphia, Mongodb, Javascritp, Jquery.

Designed the provided IT solution for a Japanese retail company. Serviced their B2C webiste.