Languages: Ruby on Rails, JAVA, C/C++/C#, JavaScript, CoffeeScript, PowerShell Scripting, Sass Technologies: AWS, S3, Git, Gradle, Puppet, Vagrant, HTML5, XML, XSLT, DHTML, CSS, AJAX, .NET Framework, ASP.NET MVC, Struts, Hibernate, Spring Databases: DynamoDB, Oracle, MySQL, PostgreSQL, MsSQL Operating Systems: Windows, Linux, OS X, Android

Senior Member of Technical Staff @ Work on Photon Controller, a cloud management system built for large scale multi tenant deployment, using xenon ( https://github.com/vmware/xenon ), Dropwizard, Jetty, Zookeeper, Thrift (a lightweight RPC framework), Swagger UI and Guice (a lightweight dependency injection framework for Java) Worked on open sourced cloud platform CloudFoundry ( https://github.com/cloudfoundry ), which shapes the future of Platform as a Service (PAAS) From September 2013 to Present (2 years 4 months) Greater Seattle AreaSoftware Development Engineer II @ Developed Windows Azure Release Management Portal website to automate release pipeline of FI/Build/Deploy and reduce the communication and manual steps in the release pipeline using CoffeeScript, Sass, Unity (a lightweight dependency injection framework) and ASP.NET MVC4 Improved infrastructure of Windows Azure Build System, Build Job Management System "BuildTracker" and Test Services (Code Analysis and Unit Test), and evolved Build System to a Cloud Service From July 2011 to September 2013 (2 years 3 months) Greater Seattle AreaSoftware Development Engineer @ Developed and supported RoR-based Web front end for Customer Return in Amazon fulfillment system, using technologies such as RJS, Treetop (Parsing expression grammars), Prototype and jQuery Maintained and developed C++ based services for back end in Amazon fulfillment system From June 2010 to July 2011 (1 year 2 months) Greater Seattle Area

M.S. @ University of Virginia From 2008 to 2010 B.S. @ Fudan University From 2004 to 2008 Xin Yao is skilled in: Java, XML, C, ASP.NET, MySQL, .NET, Linux, Operating Systems, Spring, AJAX, Ruby on Rails, Hibernate, XSLT, Struts, JDBC