Marketing Specialist Needed for Successful US marketing campaign with proven track record

I am looking for a Marketing Specialist with a proven track record in successful US marketing campaigns.

Specific Marketing Channels:
- The focus of this campaign will be on Social Media channels.

Target Demographic:
- Although I have a rough idea, I do not have a specific demographic in mind for this campaign.

Key Performance Indicators (KPIs):
- The main KPI that I want to track for this campaign is an increase in sales.

Ideal Skills and Experience:
- Proven track record in successful US marketing campaigns
- Expertise in utilizing Social Media channels for marketing purposes
- Experience in targeting a wide audience or developing marketing strategies for a rough demographic idea
- Ability to track and analyze sales data to measure campaign success

I have established a Shopify store and populated it with a range of products. I am seeking an individual with a demonstrable track record of effectively devising digital marketing campaigns across diverse platforms. Proficiency in generating sales with a commitment to maintaining a high Return on Advertising Spend (ROAS) is paramount.

My store:
https://nilesupermart.com