Re-ordering how fields are displayed in your base is as simple as moving field column from within your Airtable view itself. To change the position of Salary field in the basefront view shown below to be before the Location field, we can simply switch the position in Airtable itself:

Before the the switch the Salary field comes after the Location field. Let's switch the position in Airtable itself and the new order will show instantly in your Basefront view:

After you have re-ordered things in Airtable the change is then displayed at Basefront: