Convert Website to Responsive for mobile

I am looking for a freelancer to help me convert my website into a responsive one for mobile. This project is for personal use; I need it to optimize for desktop, mobile & laptops and also require support to check that the website works on all types of devices. Therefore, I am looking for a freelancer who can give me all the necessary support to make sure my website looks great and functions seamlessly on mobile devices.

I also need the designer clean up my design