OS Image Creation for SBC

I'm seeking a skilled freelancer to build a customized OS image file for an Orange Pi SBC. This project involves modifying an existing custom source code and making adjustments to the bootloader and splash screen content.

Key Tasks:
- Build a custom OS image for the Orange Pi and our new SBC
- Modify an existing custom source code
- Change the boot logo in the bootloader

Ideal Skills and Experience:
- Expertise in working with Orange Pi SBC
- Proficient in customizing OS image files
- Familiar with modifying bootloaders
- Experience with visual content customization
- Strong understanding of Linux based OS systems