Highly skilled Security Engineer with expertise in web application security. Proven track record of detecting multiple security vulnerabilities on a variety of popular websites such as Google, Facebook, Twitter, and Amazon. Recognized by the Japanese government for innovative programming skills and was awarded the prestigious Super Creator certification. Has experience performing security reviews as part of a security team in a top tech company and creating vulnerability scanning tools to detect web application vulnerabilities. "I create security tools to automatically detect security vulnerabilities and attack / fix them." Specialties: Web Application Security & Attacks. Work on security code review, architecture review, security analysis, vulnerability analysis, testing tool development with static analysis and dynamic analysis.

Senior Security Engineer @ • Member of Infrastructure & Data Security Team. • Developed a standalone tool to test SSL compliance for online ads. • Developed a web application to test ads for various compliances. • Improved the xss source code scanner to improve the quality. • Reviewed and fixed many xss flaws. • Worked in Dublin from May to December in 2014 and relocated to Mountain View, CA in January 2015. From May 2014 to Present (1 year 8 months) "'/x=/>

Doctor of Philosophy (Ph.D.) in Eng., Computer Science @ Keio University From 2009 to 2011 Master of Engineering (M.Eng.), Computer Science @ Keio University From 2007 to 2008 Bachelor of Engineering (B.Eng.), Computer Science @ Keio University From 2003 to 2006 Yuji Kosuga is skilled in: Web Application Security, XSS, Programming, Java, Security, JavaScript, MySQL, Network Security, SQL Injection, CSRF, Web Applications, Computer Science, Apache, Ruby, Apache Pig