I am a web developer skilled at building n-tier applications using open-source tools such as PHP, PostgreSQL, and MySQL. My primary focus is on application architecture and development, and I am also skilled at standards-based web design and development, with emphasis on usability, accessibility and maintainability. - Expert knowledge of standards-based web development methodologies, HTTP and associated web technologies - Expert in current Search Engine Optimization techniques and practices - Content Management systems, RSS/ATOM, Feed Aggregation - PHP (versions 3, 4, 5), Object Oriented Design - SQL, PL/SQL, Relational Database administration, design, architecture - HTML, XHTML, CSS 1 & 2, Javascript, ECMAScript, DHTML, DOM - XML and XML derived standards, XSLT