I like to work in a challenging environment and gain experience in working as part of a team to research and develop new software products.

Software Engineer @ From January 2015 to Present (1 year) Software Engineer @ Full Stack: Led projects as key features that impact customer revenues directly Search Volume & Performance Report — Visualized data in line chart and data table with pagination, filtering, searching, search engine selection and date range selection functionalities — Implemented importer script that runs in pre-collect and diff-set modes to extract, transform and load (ETL) crawled search volume data to MySQL table — Developed backend aggregator to aggregate keyword data to group level and calculate false-tolerant weighted average — Worked with PM to polish feature specs and cooperate with QA to deliver the feature on time Web security enhancement — Implemented account IP address range checking that avoids potential unsafe login — Track session status in Redis and force to log-out user when timed-out Back End — Designed the data pipeline of GWT (Google Webmaster Tools) data collection: queuing jobs, crawling, error handling, data re-collection and daily data monitoring — Migrated (altering index & columns) large tables (near 800M rows) via MySQL/Python scripts Front End — Built multiple-column dropdown plugin used everywhere in the platform from scratch — Applied callback and closure for chart reloading when updates data table Integration — Added token authentication mechanism to deny unsafe streaming and downloading — Setup Akamai Universal Streaming HD and integrated it with flash player plugin From June 2013 to November 2014 (1 year 6 months) Software Engineer Intern @ — Introduced Reddit stream to RSS app River and attracted more Redditors to use the app — Applied finding kth largest element algorithm to truncate a large dataset of recently news and fit to in-memory hash set — Used Oauth2.0 to authenticate Reddit users on River From January 2013 to March 2013 (3 months) Shaanxi Key Lab of Satellite and Terrestrial Network Tech. R&D, Xi’an Jiaotong University @ — Knowledge Processing Group — Research Assistant on Local and Global Algorithms for Disambiguation to Wikipedia — Designed and implemented a database and populated it with all the current Wikipedia Entries. — Constructed a set of disambiguation candidates for each mention. — Used re-weighed TFIDF vectors to disambiguate candidates From June 2012 to August 2012 (3 months)

MS, Entertainment Technology @ Carnegie Mellon University From 2011 to 2013 Bachelor's degree, Computer Software Engineering, 3.67 @ Shanxi University From 2007 to 2011