Hey, im Abdullah and i am a web developer with over 3 years of experience, i understand what you are looking for, and i can do it, i am fluent in PHP, Javascript, html and CSS. It is also worth pointing out that i know core PHP and have worked on advanced projects such as social media apps,
I can create you a new, modern design and fully mobile compatible website, I am a really experienced frontend developer (as you can see from my portfolio), I can't help you with SEO that much but i can help you go on the right path, i will use wordpress on your site and wordpress has a lot of nice plugins for SEO..
Please message me so we can discuss further, price is negotiable.