SEO & Backlink Optimization Boost

My website needs a focused SEO overhaul aimed at boosting organic visits from Google as quickly as possible. The scope spans a full technical audit, on-page refinements (titles, meta descriptions, schema, speed), content tuning, internal linking, and a campaign of quality, white-hat backlinks... (Budget: $250 - $750 USD, Jobs: Analytics, Internet Marketing, Keyword Research, Link Building, Marketing, SEMrush, SEO, Website Optimization)