Social media management for new running brand

I'm looking for a freelancer (not agency) to help me get the social media strategy correct for my start-up brand, initially building up followers and email subscribers for an initial small product launch in the coming months. I have some strong photography, what I believe is a good brand, nice product and a good Shopify website. I am creating video assets as well. But I need to understand the best way to deploy content effectively on Instagram/FB and probably Tiktok for maximum reach. I also wa…