Boost DA & Build Backlinks

My SaaS site is brand-new and sitting at a Domain Authority of just 2. I need a specialist who can explain, plan, and execute a strategy centred on link building and guest posting to push that number upward in a sustainable way... (Budget: ₹600 - ₹1500 INR, Jobs: Content Marketing, Digital Marketing, Internet Marketing, Link Building, Search Engine Marketing, SEO, SEO Auditing, SEO Writing)