* Strong background in Search Ranking * Strong background in Advertising Serving System * Strong background in distributed system development * Strong background in Linux system development * Good at object oriented design * Bi-lingual in English and Mandarin Specialties: Distributed System, Linux, C/C++/Python

Senior Architect @ Image Search Monetization From August 2014 to Present (1 year 5 months) Senior Software Engineer @ * Ads backend serving * Search Ranking From March 2011 to August 2014 (3 years 6 months) Senior Software Engineer @ From February 2011 to March 2011 (2 months) Senior Software Engineer @ ** Yahoo! / Microsoft Search Alliance ** - Technical Leader for 40+ size engineering team to develop the ad serving layer on top of MSFT API and the CA/US partner migration features. ** Yahoo! Sponsored Search Ad Serving Infrastructure - SSFE ** - Replace Affiliate serving system with a multi-threaded, C++, asio distributed serving system, which results in 30% latency reduction w/ positive RPS gain. Implement the initial prototype version and many modules: data access module, ad matching module, monitor module, access control module, etc. From October 2008 to February 2011 (2 years 5 months) Software Engineer @ ** Yahoo! Sponsored Search Ad Serving Infrastructure - Affiliate ** - Adapt Affiliate system to Panama new data model and new system requirements. Implement mechanism to support both Oracle(old) and Elcaro(new) to make Panama migration easier. Implement many Panama features, like GeoTargetting, new Dedupe algorithm, new advance match algorithms, etc. Affiliate is a 14 yr. old legacy serving system and it is a large scale high revenue distributed serving system. Globally serving total of tens of thousands QPS within 150ms avg latency during peak under 99.97% SLA for Y! Own and Operated properties and external Affiliate publisher network. From November 2005 to September 2008 (2 years 11 months) Programmer/Analyst II @ * Performance tuning of Nalanda iVia Focused Crawler(http://ivia.ucr.edu/projects/Nalanda/) : Originally it takes about one week to crawl www.ucr.edu(It contains ~100,000 pages). After my improvement, it can be done in about 20 minutes. From June 2005 to November 2005 (6 months) Software Engineer @ ** RTNPTL/IA32/XScale/ARM Development (http://developer.osdl.org/dev/robustmutexes/) is implemented for Robust mutexes, Priority Protection, Priority Inheritance, Mutexes/condvar priority-order waking up. ** Native POSIX Thread Library (NPTL) for XScale/ARM Development (http://xcgl-port.sourceforge.net/nptl.html) is implemented in XScale/ARM platform. Two Linux kernel patch were accepted: * [PATCH] Futex lock division (http://lkml.org/lkml/2003/9/24/133). It is merged into Linux-2.6.0-test6. * [PATCH] Bugfix for CLOCK_REALTIME absolute timer (http://readlist.com/lists/vger.kernel.org/linux-kernel/4/23946.html). It is merged into Linux-2.6.8 From July 2002 to September 2004 (2 years 3 months) Intern @ ** A test engineer for TIMNA 3D project(Visual C++) ** ** Port a comprehensive Simulator IDE(Visual C++) porting to Linux with QT ** From November 1999 to June 2002 (2 years 8 months)

Master, Computer Science @ Fudan University From 1999 to 2002 Bachelor, Computer Science @ Xidian University From 1995 to 1999 Jiangtao Hu is skilled in: Linux, Distributed Systems, C++, Object Oriented Design, Multithreading, Perl, Python, Algorithms, Software Engineering