Frontend Engineering: Backbone, Chaplin, Angular, jQuery, underscore, Bootstrap, npm, API consumption, REST API design using RAML, OAuth, service-oriented architecture, OAuth, packaging using composer & npm, Git Backend Engineering: PHP, Node, Python, Zend, Symfony, Slim, Silex, Express, Socket.js Product Engineering: Business model to code analysis, Architecting for scalability, Usage tracking analytics reporting to inform product iteration (Google Analytics, Segment, Piwik, Fullstory) API Integrations: Instagram, Twitter, Facebook, Flickr, Google+, LinkedIn, Bandsintown, Dropbox, Youtube, Vimeo, Soundcloud