Realistic Photo Editing: Object Addition

I'm looking for a skilled photo editor to enhance an image of one of my items. The task involves adding a product to the photo in a way that looks very realistic.

Ideal Skills:
- Proficient in Adobe Photoshop
- Excellent attention to detail
- Strong understanding of light, shadow, and perspective for realistic photo manipulation
- Previous experience in object addition in product photography

Please provide examples of similar work you have done in the past.