Hi
I Have done a lot of website as you required. I have expertise in PHP, MYSQL, Java script, jQuery, AWS, Google cloud and Digital Ocean. I well known CMS(Wordpress, Drupal, Magento, etc), MVC(Code Ingnitor, Cake PHP, etc)
I can assure you that your website never will go down at development time.
I have also expertise in web security like SSL, CDN , Fishing attack, SQL injection, migration databases.
I can easily manage Linux server OS like Apache and NGINX.