Quality SEO Backlinks for Ranking

I’m looking for a partner who can build a portfolio of strong, white-hat backlinks that genuinely move the needle in Google. My sole objective is to improve search engine ranking, so every link must add measurable authority rather than just inflate a count... (Budget: $10 - $30 USD, Jobs: Analytics, Content Marketing, Digital Marketing, Internet Marketing, Keyword Research, Link Building, Marketing, SEO)