Experienced and well qualified. Been in the industry from eCommerce public facing applications to intranet based financial and insurance industries. I love to keep current with developments in Java, J2EE and other technologies such as Cloud and Big Data. My primary objective is to build new and better applications, but also have a track record for supporting production systems with improved performance and stability.

Available and willing to contribute to exciting projects @ From February 2015 to Present (11 months) Senior Java/J2EE Developer @ Designed and led a small dedicated team to develop an insurance claim processing system to communicate with PeopleSoft AP, iSeries and other J2EE applications. Maintained the stability, coded, oversaw the live production deployment. From January 2011 to Present (5 years) Senior Java Developer @ Compliance regulations. Coding. Enhancing CIS and Maven build system. From August 2014 to October 2014 (3 months) Snr. J2EE Developer/Architect @ Update J2EE, Oracle ADF and PL/SQL packages to transmit regulatory information across secure and encrypted channels. From July 2013 to October 2013 (4 months) Delivery/Engineering Manager @ Initially Agile developer on rewrite of major eCommerce public facing site. Promoted to lead to ensure constant delivery of quality code and bug-free system. As delivery manager, responsible for personnel issues, and 24x7 uptime. From July 2009 to November 2010 (1 year 5 months) Lead Developer/Architect @ Designed, built and maintained a multi-million/year eCommerce website, www.searspartsdirect.com. Utilizing all open-source platforms, JBoss, MySQL, Spring etc. the site generates tremendous revenue. Implemented SEO best-practices and analytical tracking to improve business. From July 2007 to November 2010 (3 years 5 months) Team Lead Developer/Architect @ Managed the team from QAs to developers. Researched and built new components to enhance the eCommerce site. From 2007 to November 2010 (3 years) Senior Java Developer @ Worked with the team on a public facing portal. From June 2006 to July 2007 (1 year 2 months) CTO @ From 2001 to 2003 (2 years) Technical Development Lead @ From 2001 to 2002 (1 year) Snr. Systems Engineer @ From 1993 to 1999 (6 years) Senior Java Developer @ From 1993 to 1995 (2 years) Software Developer @ From 1987 to 1993 (6 years) Snr. Software Developer @ From 1987 to 1993 (6 years)

Bachelor of Science (B.Sc.), Computer Science & Statistics @ University College Cork From 1984 to 1987 BS Computer Science and Statistics, Computer Science (honors) @ University College Cork From 1984 to 1987 William Patrick O'Sullivan is skilled in: Agile Methodologies, Java, Scrum, Websphere, Java Enterprise Edition, JavaScript, SQL, XML, Web Services, jQuery, SOA, AJAX, Spring, Hibernate, Oracle