rename all keys as per standard JobPosting from schema.org

[sebiboga]

The sitemap.xml doesn't contain the specific properties of an HTML page – it just helps web crawlers locate pages on your website. However, Google does provide specific structured data types that you can include within your HTML to provide more information about on-page content. For a job posting, you would use the JobPosting schema.

This schema allows you to define properties such as:

title: The title of the job.
description: A detailed description of the job.
hiringOrganization: The organization offering the job position.
jobLocation: The location of the job.
baseSalary: The base salary of the job.
datePosted: The date when the job was posted.