Urgent: Vault and CircleCI Expert

Hi, there.
I need a developer who can demonstrate how to setup vault and to use environment variables of it in circleci.
Developers who have previous project with them will be highly recommended.
This task is urgent and I want this to be done within a day.
If you have worked with vault, cirleci before, it will be just an a few hours of work.
I will give you details in the chat.

Thanks.