High-Res Image Upscaling for Print

I need an expert to upscale both digital photographs and medium-resolution AI-curated images for large prints on Chromalux. Requirements: - Upscale images to high resolution suitable for large prints (above 24x36 inches)... (Budget: £20 - £250 GBP, Jobs: AI Image Generation, Graphic Design, Illustration, Illustrator, Image Processing, Image Upscaling, Photo Editing, Photoshop)