Experienced Full Stack Software Engineer - ExtJS, jQuery, HTML5, CSS3 - .Net, Magento, Django - C#, Python, PHP - Oracle, MySQL, SQL Server

Software Engineer @ Design, implement and test network intensive web application in accordance with performance and fault tolerance. Conduct large scale analysis of network traffic. Utilize Client/Server side scripting language, web development framework, SQL, Web Services. XML/JSON, HTML, CSS, and AJAX. From February 2014 to Present (1 year 9 months) Greater New York City AreaSoftware Consultant at OpenCrowd @ Developed various customized UI components for credit risk technology department utilizing EXTjs(gridpanel, treepanel, dataview, and others). Integrated API through Ajax framework(proxy, reader, store) in ExtJS Trained and guided other extjs developers Participated daily stand-up and scrum meeting From August 2013 to January 2014 (6 months) Greater New York City AreaJunior Developer @ Developed the marketing website for the company product, Ideashare, utilizing jQuery, bootstrap and django. Conducted automated unittest against the internal framework, implementing test framework in django. Improved code coverage from below 20% to above 90% From May 2013 to August 2013 (4 months) Greater New York City AreaSoftware Engineering Intern @ Established infrastructure in localization project for an enterprise application, preparing a code base for multi-lingual support. Designed and implementing macros to enhance the productivity. Initiated effective testing strategy integrating various testing tools to verify the changes in a large code base. Developed innovative testing tool to reduce the project cost significantly. From January 2013 to May 2013 (5 months) Greater New York City AreaIntern Backend / Security Developer @ Developed core functionality for e-commerce website, applying MVC architecture and LAMP. Explored various API such as Google Map and CloudSponge. Scheduled and orchestrated the team meeting. From May 2012 to November 2012 (7 months) Greater New York City AreaWeb Developer, Administrative Assistant @ Built payment system integrated with PayPal and SQL server. Managed online class web site (http://online.languagesystems.com). Produced 738 online video contents and managed 2,300 users. From October 2009 to August 2011 (1 year 11 months) Greater Los Angeles AreaInformation Technology Officer, Lieutenant @ Directed technical platoon and performed various challenging tasks in an extremely fast-cycle and strongly fluctuating environment. Supervised telecommunication security. Managed technical department (17 personnel) and telecommunication system. From March 2006 to June 2008 (2 years 4 months) Hwacheon-gun, Gangwon-do, KoreaComputer Lab Manager @ - Managed computers and network devices - Incident response - Provided technical support and routinly updated patch From March 2003 to August 2003 (6 months)

Master of Science, Computer Science, 3.67 @ Polytechnic Institute of New York University From 2011 to 2013 Bachelor of Science, Computer Science, 3.51 @ Andong National University From 2002 to 2006 David Hw is skilled in: Python, Reverse Engineering, SQL, jQuery, C++, PHP, IDS, Wireshark, Penetration Testing, Security, Firewalls, Linux, C, Visual C#, MVC Architecture, Django, Magento, Ext JS, Git, Metasploit, Backtrack, Network Security, Vulnerability Scanning, Nmap, Nessus, Tcpdump, TCPReplay, Iptables, Snort, SSL, Aircrack, Web Security, Web Application..., Fuzzing, Burp Suite, SQL Injection, XSS, CSRF, Application Security, WinDbg, OllyDbg, IDA, Code Auditing, Atlassian JIRA, Paypal Integration, Microsoft SQL Server, Oracle, MySQL