Monthly High-Authority Off-Page SEO -- 2

I am looking for an experienced off-page SEO specialist for an ongoing monthly engagement to help improve our organic search rankings through high-quality, white-hat link building. Scope of Work 50 Keywords with 50 Targeted URLs... (Budget: $250 - $750 USD, Jobs: Content Writing, Digital Marketing, Internet Marketing, Keyword Research, Link Building, Marketing, SEO, White Hat SEO)