Hello, how are you?
I have read your project description and think that my skills will help you to complete this project successfully.
There is no automatic responsive images.
We need to implement it via code.
Your website is joomla website.
I have rich experience in Joomla website building and theme & module customization, AJAX, html5/css3, Less/sass/scss, bootstrap, jquery/javascript, MySQL, php & software architecture.
And therefore very interesting to your project.
Quick Turnaround, Browser & Device Compatible and Responsive Design, Responsive Skill, Robust and Tiny Code are my strong points.
It would be happy for me having a chance to work with.
I am ready to start work right now.
Looking forward to hearing from you.