Fixing Bugs in Ultimate POS

I need a skilled developer to fix bugs in my Ultimate POS system. I am not sure what types of bugs are present, nor where they are located. Therefore, I need someone who is experienced with this software and can troubleshoot effectively.

Ideal Skills and Experience:
- Extensive experience with Ultimate POS
- Strong debugging and troubleshooting skills
- Ability to work independently without constant supervision
- Prior experience with similar projects is a plus