Worked with SEO group of user growth team, responsible for the design and implementation of network products and tasks.● Developed a relative links building system that automatically generates internal links between hundreds of millions of site pages by their similarity to improve the user browsing experience.● Built a large-scale distributed spider which can crawl billions of internal site search results’ contents (Java, XPath, HDFS).● Implemented a pipeline which initializes basic tables, calculates relative scores and generates relational links (ForkJoinPool, HDFS, HIVE, TF-IDF, Inverted Index).● Implemented features such as task cancelation and heartbeat mechanism to improve the user experience and parallelized the whole system to improve the speed of calculation (CompletableFuture, MyBatis, Distributed Lock).● Designed an experiment to test the effectiveness of links building system, the result shows it improved the site’s unique view (UV) of 5%.

Worked in key account team, responsible for the development and maintenance of client’s websites.● Contributed to the web design of products and pricing pages of Microsoft Azure (China) (HTML, CSS, Markdown, JavaScript).● Wrote a scheduled web crawler to regularly collect information from the site pages (Beautiful Soup, Excel VBA, Python).

Worked in a team of three, lead the team to design and develop the “My Space” student forum.● Designed and built relational databases, generated entities (MySQL, Hibernate).● Developed MVC (Model-View-Controller) architectural pattern backend for the student forum web application using the SSH framework (Struts2, Spring, Hibernate).● Developed AJAX-based frontend with Bootstrap to enable dynamic adjusting-to-screen resolution (AJAX, Bootstrap).● Implemented features such as role-based authentication, e-mail certification, and password encryption to improve the user security (Java, JSP, Servlet, MD5).● Performed unit tests using the JUnit testing framework.