• A complete-stack Engineer, from system architecture, server infrastructure to web frontend and mobile development. • My github: https://github.com/UglyTroLL • Currently working at Pinterest as a software engineer • Graduated from Carnegie Mellon University major in Software Engineering • Founded ‘Dongxuexidu’ (东学西读, http://www.dongxuexidu.com/), which now has 300,000+ register users • Worked at Salesforce.com, Sun Microsystems, Tango.me and Zumper. • Outstanding capability of self-study and fast-learning in academic and technical environments • Good teamwork and communication skills • Rich, practical working experience • Enthusiasm in learning new technologies and solving challenging problems

Software Engineer @ From November 2015 to Present (1 month) San Francisco Bay AreaSenior Software Engineer @ - Work on Tango.me as a senior software engineer, mainly focus on back-end infrastructure stuff, in different teams and tons of different projects. - Build the data pipeline system to receive, parse, process and persist 8 terabytes log data per day. - Hands on building and improving several different large scale distributed service infrastructure to serve and support massive traffic (300M register users) and various features (messaging, video/audio calling, social, gaming, ecommerce). - Big data infrastructure, from the log pipeline to Hadoop. Hive, Kafka, Redshift - Build a real-time big data query system from back-end to frontend. The system can query billions rows of data and return back the result in ~10s with a user friendly user interface. - Build several marketing campaign tools to give marketing team the ability to run marketing campaigns to reach out millions of Tango users everyday. From April 2013 to October 2015 (2 years 7 months) San Francisco Bay AreaFounder @ - As the Founder/Product Designer/Developer/QA/Infrastructure/Customer Service…just to name a few. - 350,000 registered users so far and the number keep increasing every hour. - Various (and highly praised) services implemented for helping/supporting Chinese students who want to get education abroad. - Designed the architecture (3-tiers) of the system. Used Java as main language on implementation. - Perfectly integrated the Renren/Weibo/Douban (the most popular SNSes/Twitter-like platform in China) API. - Producer-Consumer modeled multi-thread Crawler system. - Developed system back-end using iBatis (in persistent layer), HttpClient (in crawler and service system), JavaEE/SE (almost everywhere), Servlet/JSP. - Hands on experience on RESTful Web services design and implementation, also integrated the web service with Memcached and Protobuf. - Designed and developed UI using HTML/Javascript/CSS/Jquery/Bootstrap. - Keep tuning performance to make the whole system (from back-end to front-end) can serve 5,000 visits per day faultless and fast on a cheap server (1G memory, shared CPU/Bandwidth). From March 2010 to August 2015 (5 years 6 months) Software Engineer @ • Currently working at Zumper as a back-end software engineer. • Mainly working on a Listing feed system (Scheduler/Crawler/xml and json parsing..etc.), building several internal tools (status report, admin system…etc.). • API system tweaking, data model/working flow redesigning, and performance improving. • Using Python as the main programming language. From October 2012 to April 2013 (7 months) San Francisco Bay AreaSoftware Engineer @ - Working for Salesforce.com Inc. as a software engineer in Commerce Platform team. - Building a generic cloud commerce platform together with the team. - Mainly using Java and Apex to develop the system. - Focusing on building the middle layer of the platform, developed the provisioning system and usage tracking/entitlement system as software engineer. From September 2011 to October 2012 (1 year 2 months) San Francisco Bay AreaSoftware engineer @ • Implemented the website front layer using HTML, Javascript, GWT, Jquery and JSP/Servlet • Developed the internal search engine and crawler system, improved the systems architecture and improved its efficiency • Developed the system back-end. Used Hibernate in persistent layer, RESTful web service as the middle tier and used Protobuf as the transmission protocol/standard between front layer (JSP/Servlet/GWT) and real data processing. • Designed and implemented in Java a web crawler to obtain information from Internet. • Developed REST Web services integrated with Solr and Lucene. From July 2009 to July 2010 (1 year 1 month) Internship @ • Participated in development of Sun Open Source University Meetup (http://osum.sun.com) using Java (JavaSE/JavaEE), Netbeans, MySQL, JavaFX, OpenSolaris. • Participated in development and maintains for UnixCenter (www.unix-center.net) and Sun Developer Networks in China (http://developers.sun.com.cn/ , have been merged into http://www.oracle.com/technetwork/cn/index.html/ ) • Held tech talks on campus to make Sun’s technologies better known by students. • Got a ‘Sun Microsystems World-wide outstanding internship’ award on April, 2009. From September 2008 to July 2009 (11 months)

Master, Software engineering @ Carnegie Mellon University From 2010 to 2011 BS, Computer Science @ Huazhong University of Science and Technology From 2005 to 2008 BS, Management @ Huazhong University of Science and Technology From 2004 to 2008 Zhibo Wei is skilled in: Java, REST, Python, Hibernate, MySQL, JavaScript, Web Development, CSS, jQuery, Web Services, Django, Performance Tuning, Linux, Spring, J2EE