Smarketers.jobs

Currently we use and show only smarketer.jobs URLs and Titles in Google for Jobs Overview. Like here:

There are some competitors of us which offers their customers unique URLs and Titles by using subdomains. Like here:
In this example is JOIN the job ad platform.

Our goal is the following:
Imagine we listings jobs for the customer "AB Testing Company" than it should look like this:

So we need a subdomain for every professional plan and deliver dedicated titles via structured content.

Is this possible and how high will be the effort?