POS Software Documentation and Video Creation

I'm looking for an experienced technical writer and video creator to develop comprehensive documentation and a tutorial video for our Point of Sale software.

The project includes:
- Creating a detailed user manual
- Developing a help manual for clients, covering:
- Step-by-step usage guide

Ideal skills and experience:
- Technical writing expertise
- Experience in creating instructional videos
- Familiarity with Point of Sale systems is a plus
- Strong attention to detail and clarity in communication

Please provide samples of previous work.