I love new technologies and challenges, and have a very fast learning cycle to pick up new stuff in general. I am able to work full stack with more preference on the frontend. My past projects includes web/mobile applications, html5 games, native android games etc. I've used technologies in my past projects including: Frontend: - Building highly reusable components, performance optimization. - Frameworks: Backbone.js, LAZO.js, React.js, Flux - Isomorphic apps - HTML5 apps, Less/Sass Mobile: ReactNative, Apache Cordova Backend: - NodeJs, Ruby on Rails, Grails etc. - REST APIs DB: MySql, MongoDB, CouchBase Deployment: Nginx, Apache and Linux

Senior Software Engineer @WalmartLabs @ next generation workflow tool for large scaled item setup From May 2015 to Present (8 months) San Francisco Bay AreaSoftware Engineer @ Worked on big data driven applications. Demand optimization & search analytics: Big data driven analytic apps using ruby on rails, backbone, html5/Sass, mysql with data coming from hadoop for trending analysis, search relevance analysis etc. Buyer Connect: assortment strategy app that successfully launched in seven global markets. Merchant Center: Workflow & category management tool. Backbone/Nodejs for frontend. and Spring/Cassandra for Backend. From October 2013 to May 2015 (1 year 8 months) San Francisco Bay AreaSoftware Developer, Ecocloud @ Ecocloud is a virtual community for business leaders and facility managers to work with technology innovators, researchers, and government agencies to make enterprises more sustainable and profitable. I'm one of the core developers for the next generation Ecocloud. From May 2012 to September 2013 (1 year 5 months) Graduate Research Assistant in Christopher B. Murray Group @ From 2010 to 2011 (1 year)

Master's, Materials Science and Engineering @ University of Pennsylvania From 2009 to 2011 Bachelor of Science (B.S.) @ Fudan University From 2005 to 2009 Linghua Jin is skilled in: JavaScript, Python, Web Applications, Node.js, Backbone.js, HTML5, Software Engineering, Mobile Applications, Front End Architecture, React, Scalability, Software Architecture, MySQL, MongoDB, jQuery