Shopify Store Full Optimization

My Shopify storefront is live, stocked, and branded, yet traffic and conversions are painfully low—there even appears to be a “shadow-ban” throttling visibility. I need the store firing on all cylinders by the end of this week... (Budget: $250 - $750 AUD, Jobs: Conversion Rate Optimization, Keyword Research, Performance Tuning, SEO, Shopify, Shopify Development, Website Accessibility, Website Optimization)