Graphic Designer / 4 Mobile Screen Mockups (tight deadline)

I need a graphic designer with immediate availability to create 4 professional mobile mockups for a Shopify store campaign. (messy mockups attached). This needs to be completed within the next 2 days. Mockups needed: Social post / Onsite tab + slider / In-cart prompt / Post-purchase thank-you, All brands, fonts, colors, images, and content will be provided. The job is to take the existing direction and make the visuals look polished, high-resolution, and presentation-ready. The focus is on: Strong visual design, Clean mobile layout, Better color use, Proper font sizing, Clear content hierarchy, Professional high-res mobile screenshots, UX-optimized campaign visuals. Please only apply if you can start immediately and deliver within 48 hours. Include examples of mobile mockups, ecommerce visuals, campaign graphics, or social posts you’ve designed.