Job: Need help to make the last details in a survival server fallout/metro style

We dont have a date so we can take our time

The budget is negotiable plus also the posibility to get paid by % of donations

I need a Helix coder who can:

1. Speak english or Spanish
2. Know how to use sistem ARC9 (How to put attachments and types of ammo)
3. Know how to make armor that can resis certain type of damage
4. Know how to make stock items for their use in craft
5. A entity which when use gives you a certain items

Among other things