When you're using your own Google Analytics account for tracking traffic on the career site you will automatically get events tracked to your account when a candidate applies for a job and when a candidate connect with your company. 

The events will end up in your Google Analytics Account with a category, action and label described below.
​
​Category: Teamtailor.

When the candidate applies
Action: Apply For Job
​Label: JobId

When the candidate opens a job application form
Action: Application form seen
​Label: JobId

When the candidate connect
Action: Connected
​Label: YourUniqueId

Edit your Google Analytics account at Settings -> Google. 

For tracking events with Google Tag Manager take a look at the our article about Conversion tracking with Google Tag Manager