Experience engineering executive to lead Development, QA and Operations groups Data Driven applications for large scale consumer facing web sites Cloud Computing Expert in Agile and Waterfall methodologies with extensive project management experience Managing & Building small to large teams depending upon company setup Domain Expertise: E-commerce, Search, Product Catalog, Semantic Web, Product based Ads Utilize Big Data (Hadoop & Cassandra) & Machine Learning algorithms to structure the large amount of data to build data driven applications like search, facets, personalization, trends computing Quality and Metrics driven development approach

Senior Director of Engineering @ Leading engineering team to build Product Catalog, Product Search and Personalization. Our mission is to provide an accurate, compelling catalog with millions of products covering our thousands of merchant partners – and build highly relevant product search search and recommendations engine to take our e-commerce offering to the next level. This platform is using Big Data infrastructure, open source scalable search platform and cutting edge machine learning/statistical modeling. From April 2015 to Present (7 months) San Mateo, CAEngineering @ Led engineering teams for Paypal Digital Wallet to build many consumer facing features. Managed 15-20 engineers in USA/India and technology Stack was Java, JSP, JS, AJAX, HTML, REST APIs, Mysql, C++ From October 2011 to Present (4 years 1 month) San Jose, CADirector of Engineering @ Led engineering teams for Data Cloud Business Unit of Salesforce(Data.com) including consumer facing web site, backend and business intelligence teams. Managed 15-20 engineers in USA/India and technology Stack was Java, JSP, Mysql, Javascript, AJAX, SOLR, Linux, Apache, Tomcat From October 2009 to October 2011 (2 years 1 month) San Mateo, CAVP of Engineering @ I was heading engineering team including QA and Tech Ops for Chegg which is #1 textbook rental company. Primary responsibility was to evolve and maintain chegg’s e-commerce site and back-end systems (data, payment, partner integration, fulfillment/warehouse, etc), deliver multiple concurrent projects in rapid application development environment, improve scalability, availability and reliability of systems to meet business growth, hire and coach engineers, work with other business departments to meet their needs and 24x7 operation of Chegg’s e-commerce site. Technology stack is LAMP (PHP, Linux, Apache, Mysql), Javascript, Java, AJAX. Key accomplishment includes: • Redesign many systems to scale the system 5x in 7 months • Transformed team into fast paced concurrent development team working 15-20 engineering and operations projects (small or large) in parallel at any point in time using agile as well as in waterfall model. Delivered over 100 projects which include product features, redesign of site and capabilities for marketing, finance, customer service and fulfillment. • Grew team to 20+ from 11 in 8 months • Adopted best engineering practices and processes while growing team to make sure about quality and productivity From January 2009 to September 2009 (9 months) Santa Clara, CAVP of Engineering @ As a head of engineering lead Engineering and Operations team for Zimbio while reporting to CEO. Zimbio is online content/magazine site covering wide range of categories with focus on pop culture categories like entertainment, current events, style and sports. Zimbio is a top 100 web sites in USA (per Quantcast) with 19M unique visitors and 100M pageviews per month. Technology stack: Python, Django, Linux, Mysql, Javascript, AJAX. From April 2008 to January 2009 (10 months) Senior Engineering Manager @ Audience Product Platform Group: Worked to build various platforms from scratch to support various content management capabilities for Yahoo Audience properties (Shopping, Travel, Autis, Real Estate, Local etc). This includes Catalog management Systems for all known entities in US (products, autos, houses, businesses etc), classification platform (using machine learning and non-machine learning techniques), Attribute extraction platform and Document matching platform(to match objects). Build team to 9 engineers from scratch including 2 managers. Technology stack: Java, Oracle, Mysql, From April 2007 to March 2008 (1 year) Senior Engineering Manager @ Yahoo Shopping: Sr. Engineering Manager - 2005 to 2007 Engineering Manager - Mar 2003 to 2005 Design, development & operations of Shopping Backend applications which includes listings processing & enrichment/mining (like classification, attribute extraction & relationship discovery), Content Management System for product catalog and other content like reviews, data distribution to Shopping, Tech, Search Submit, Display Ad Platform, Shortcuts, YSM. Had a team of 12 engineers including 2 managers to manage many complex applications including 5TB Oracle DB to support various functionality. Technology stack: Perl, Oracle, PL/SQL, C++, PHP From March 2003 to April 2007 (4 years 2 months) Engineering Manager @ From 2000 to 2002 (2 years) Director of Engineering @ From 1999 to 2000 (1 year) Software Engineer, Tech Lead @ From 1993 to 1998 (5 years)

MS, Computer Science @ University of Southern California From 1992 to 1993 BS, Computer Engineering @ Gujarat University From 1987 to 1991 Chirag Patel is skilled in: Scalability, Distributed Systems, Agile Methodologies, Cloud Computing, SaaS, Java, Enterprise Software, Mobile Applications, Web Applications, Data Mining, Databases, Project Management, Start-up Environment, E-commerce, Vertical Search, Comparison Shopping..., Web Content Management, MySQL, AJAX, Strategy, Perl, PHP, Integration