Targeted B2B Lead List Build

I need a detail-oriented specialist who can quickly build a clean, accurate list of B2B prospects for my upcoming outreach campaign. All leads must be freshly sourced—not recycled—from reliable public data, with primary discovery through Hunter.io (my preferred tool)... (Budget: $8 - $15 USD, Jobs: B2B Marketing, Data Entry, Data Management, Data Scraping, Excel, Internet Marketing, Leads)