Photo Enhancement Specialist Needed

I need help adding a person and a vehicle to some photos. The edits must look authentic with no noticeable points of alteration.

Requirements:
- Seamless integration of subjects into city or urban scenes.
- High attention to detail for realism.
- Experience with photo editing software is essential.
- Ability to meet tight deadlines is crucial as I need this done ASAP.

Ideal skills and experience:
- Proficiency in Photoshop or similar tools.
- Previous experience in photo manipulation.
- Strong portfolio showcasing similar work.

Please provide samples of your previous work.