Hi,
I have read your requirements and clearly understand point for installed new theme. i have good experience in developing and customization of WordPress websites. have experience in working on lot's of free and paid theme like Avada, Divi, X theme, Storefront, Genesis Framework and much more.
I am full time freelancer web developer having 4+ experience in WordPress theme customization & developing and Plugin customization & developing, also have good knowledge of Magento, PHP and Codeigniter. so am pretty confident that i will be develop you site as per milestone.
I can assure you that if you work with me once, you will always work with me for these kind of projects.
Thank you for taking time reviewing the proposal letter.
Regards,
Vishal