Finish up a website

We have an almost finished website project where we need a skilled programmer to tweak wordpress plugins and code, especially the programmer need to have an understanding of how to change the taxonomy of wordpress. Substantial modifications have already been made. Description: - Keep number of plugins to a minimum. Hardcode instead - Go through previous programmer's code and clean up useless plugins and code - Make sure everything is responsive and proper design on mobile - Modify front page publishing system and design - Modify backend to show what is needed and in orderly fashion - Implement link preview widget - Modify and implement tag system - Own post type/section/system for parallax scrolling - Curation/aggregation system for posts and link previews - Make ad spaces as needed and integration with our Revive adserver - Fact box in articles and various widgets for most read, youtube etc - Apply translations if needed (We will provide translations, but we need a list to translate with text exposed to readers) - Big social media sharing buttons on top of posts and bottom - Make sure everything is searchable and SEO friendly - Connecting google analytics with the sites when launching and with the new features on google analytics - Compressing pictures automatically when shown to readers - Fix design details - Implement picture series, image gallery, video gallery, post archieve and other subsections and megamenu - Duplicating the website for our 3 other sites in other languages - Managing or creating a system of safe updates of plugins - Install a proper cache - make sure it performs in the 80-90 region on [login to view URL] and [login to view URL] and [login to view URL] - Test security - Help with possible issues before and after launch A more detailed list will be provided when we are negotiating