Can we create bar code of job requisition and place in campaign?

Summary

is it possible to create bar code for job requisition and place in campaign or campaign can create bar code automatically for listed job requisition filter or queried requisition before sending mail to candidate's mail box or posting on linked in or indeed?

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):