We have experience with HTML, CSS, responsive web design, Bootstrap, JavaScript, jQuery, PHP, MySQL. Also, we have done projects in Wordpress, eCommerce platforms (Wordpress WooCommerce, Opencart, Prestashop), MVC frameworks (Laravel, Zend Framework). For details, please see our portfolio and/or contact us to discuss.
I can send you some theme examples if you want, but first I need to talk to you to understand your needs.