Required software development freelancer for Linux Cloud Server job

Develop Debian based self-booting USB stick with pre-installed Cloud Server
Debian Linux distro should have the following criteria:
- minimal footprint (details to be discussed)
- intel AMD64
- installing from bootable USB stick
- automatic partitioning/using full HD (Gparted)
- journaled encripted filesystem (details to be discussed)
- pre-installed Seafile (Secure Cloud Storage) with MySQL Database, running out-of-the-box
- pre-installed firewall (details to be discussed)
- data storage on external encrypted r/w and on external r-only disks (details to be discussed)

Skills & Expertise Required

software development