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).
- Maintain image quality and detail during the upscaling process.
- Deliver images in a print-ready format.

Ideal Skills:
- Experience with image upscaling tools and techniques.
- Proficiency in handling both photographs and AI-generated images.
- Attention to detail and quality assurance.

Please provide samples of previous work and an estimated timeline.