seasoned software architect with a variety of industrial experiences, including accouting software, social network, DNS, search engine, ecommerceSpecialties: 1. Expert knowledge and practical experience on DNS;2. Design large scale Internet service with open source technologies like Java, tomcat, nginx, etc;3. Being proficient with mainstream database including Oracle, Mysql, Postgresql;4. Practical experience with data warehouse, multi-dimension data modeling and data mining;5. Overall understanding of search engine principles and implementation;