Powermill cnc engraving 4 axis file preparation

I am looking for a skilled freelancer who can help me with the preparation of a Powermill CNC engraving 4 axis file for a highly complex design. The design file format is .OBJ, and the engraving will be done on wood.

Skills and Experience:
- Proficiency in Powermill CNC software
- Expertise in file preparation for 4 axis CNC engraving
- Experience working with highly complex designs
- Knowledge of wood engraving techniques and best practices