Hello Sir,
I have gone through your requirement and I am sure I can do this. I can fix your 502 error and Optimise your mysql
Relevant Skills and Experience
I am Full Stack Developer with 5 Years of Experience with Wordpress, PHP, Joomla, Open Cart, MySQL, CSS and HTML coding. I have excellent experience in Back-end and Front-end development.
Proposed Milestones
$16 SGD - Mysql
More we can discuss in chat