Xin Wei's Email Addresses & Phone Numbers

📖 Summary

7 years progressive experience in software industry. In-depth knowledge of Business Intelligence system. Strong background in full-stack application development. Broad experience in application design and development using J2EE and Agile technologies. Extensive knowledge in back-end platforms. Skilled in mobile application development. Self motivated professional, capable of working independently or as part of a team. Mobile: iOS, Android, Cordova Specialties: language : java, javascript,CSS3, HTML 5, Object-C, C, C++, Perl, Shell, XML,PHP javascript library : sench-touch, extjs, jquery, jquery-touch, prototype, jsunit, Qunit java framework : struts, hibernate,Rhino, junit, log4j, lucene, heritrix deployment platform: websphere, weblogic, jboss, tomcat web service: wsdl, soap, UUDI, REST, Apache Axis technology: AJAX, UML test: JUnit, JSUnit, QUnit, Selenium web browser automation test OS : windows, linux( rhel, fedora, ubuntu, debian, slackware, gentoo,knoppix, freebsd) version control : git, perforce, svn, cvsSenior Software Engineer @ QBO infrastructure team aim for availability, scalability, resilency, and performance of QBO(quickbook online) High avability 1. implement bash script for database dump and clone automation 2. release verfication, peformance monitoring and analysis, 3. integrate hystrix with QBO for resilency Active-active 1. dispatcher services for dynamic routing, load shedding, strengthern scalability tech stack: splunk, new relic, dynatrace, youkit, keynote, hystrix From January 2015 to Present (10 months) mountain viewSenior Software Engineer @ QBO Platform team v3 webservices and nextgen webservices 1. implement linked transction business logic 2. manual update bank transaction rest api 3. performance profile and code instrument for bottneck diagnosis and performance improvement various bug fixing, unit testing tech stack : jax-rs, jersey, rest-easy, jackson, spring boot, spring aop From July 2014 to January 2015 (7 months) montain viewSenior Software Engineer @ QBO Platform team nearline recommenation engine real-time recommendation 1. storm topology design 2. drools rule engine design tech stack: JMS - acitvemq, zookeeper data aggregaton - storm rule engine - drools applicaiton framework: spring core database : redis, mybatis deployement : saltstack elastic search 1. qbo search ui 2. java integration with elastic search, such as manage mappings, manage documents and parse the query string from ui. tech stack : front end - framework- dojo css - compass, sass build - nodejs, grunt dependencies management : bower unit testing : intern backend - restful api, elastic search, jersey, jackson From May 2014 to July 2014 (3 months) mountain viewLead Software Engineer @ Birt iHub Viewer HD . design and implement mobile viewer on iOS and android platform . work on object-c and android SDK to provide native app ui . build communication channel from javscript to device hardware by using Cordova . dedicate to solve different platform issues on mobile devices, especially android fragmentation issue. . dedicate to improve mobile viewer performance by designing cache mechanism and offline viewing mode. . dedicate to improve mobile viewer performance on different browsers by introducing cutting-edge html 5 and css3 features like canvas drawing, multi-touch gesture support, 3d transformation, etc. From September 2012 to April 2014 (1 year 8 months) Senior software engineer @ Birt Mobile HD . design and implement mobile framework and javascript library for the skeleton of Actuate Mobile Viewer . design and implement UI for Actuate Mobile Viewer . dedicate to improve mobile viewer performance on different browsers . product-http://itunes.apple.com/us/app/birt-mobile-hd/id370914749?mt=8 . demo - http://www.birt-exchange.com/be/demos/resources/?articleid=23343 Birt 360 . Implement flash gadget builder, table gadget builder and selector gadget builder. . Integrate Interactive Viewer in dashboard . Refactor extjs library and integrate it to dashboard's UI framework, polish interactive viewer's UI by using new javascript framework. . Design and build gadget's dependencies and subscription,implement cascading interaction between different gadgets. . Implement, debug and maintain JREM - Java Report Engine Manager which works as a proxy between dashboard and open source birt engine. . Implement, debug and maintain viewer module of java server . demo - http://www.birt-exchange.com/be/demos/resources/?articleid=20629 Interactive Viewer for Actuate 10 & 11 • Developed or Enhanced IV function modules like data manipulation, sorting, formatting, aggregation by using Java and Ajax technology. • Involved in development of javascript API for IV, provides interfaces and APIs for users to integrate IV with their web pages, for ex, blogs. • Developed mashup pages for IV for users to do content aggregation • Developed flash charts and flash widgets • Implemented and tuned in UI by DOM scripting, CSS scripting, and AJAX technology • Defined and implemented WSDL for web service, constructed the information objects transferred between java and javscript by SOAP • REST (Representational State Transfer) Web APIs use HTTP alone to interact, with Xml or JSON payloads • Deployed and remote-debugged IV on websphere, Weblogic and Tomcat • Demo - http://www.birt-exchange.com/be/demos/resources/?articleid=20656 From April 2008 to September 2012 (4 years 6 months) Actuatesoftware engineer @ Consultant in Deloitte • Worked on the Requirement Analysis and functional specification, involved in the design documents like Use Case Document, Activity Diagram, Class Diagram and Database model. • UML Modeling by Rational Rose Data Modeler 7.0, design both the façade layer and service layer, define struts, set up object relationship, create new entity bean and operation methods, write SQL queries • Implement all the classes and methods based on the Session façade design pattern, and build the server with curam • Development of the UI Screen by UIM(User Interface Metadata), Using curam to build the client and generate the web page. • Unit testing and System Testing From May 2007 to April 2008 (1 year) Georgia State University From 2005 to 2007 Xin Wei is skilled in: JavaScript, Java, Algorithms, Mobile Applications, HTML5, iOS development, Android Development, HTML 5, HTML + CSS, Mobile Phone Apps, Data Structures, C, HTML, SOAP, jQuery, Tomcat, REST, Web Services, AJAX, Eclipse, Test Automation..., Spring Framework, Spring DI, MyBatis, Compilers, Splunk, Distributed Systems, Dynatrace, Functional Programming