A Content Site Management (CSM) developer designs, develops, and maintains websites using Content Management Systems like WordPress, Drupal, or Joomla. They create and implement templates, extensions, and modules, and integrate them into the CMS. They manage site content, troubleshoot and fix issues, and ensure the website runs smoothly and efficiently. They may also work on improving the website's SEO, enhancing the user interface, and ensuring the website is mobile-friendly. In addition, they may handle security measures, data backup, and website analytics. The CSM developer also coordinates with other team members to improve overall site performance.