You can implement steps as follows to show packages on the Package Page:

Step 1:  Go to Products> Product categories> create a category, for example, it is Job Package and its slug is packages

Step 2: you will go to Pages> create Packages page> paste this shortcode [noo_job_package_list product_cat=”packages”] into the content of the page

Notice that “packages” in the shortcode above is the slug of job category shown on packages page.

Step 3: go to Products> create a new product> choose a Product category

Step 4: you will go to Jobs> settings> Job packages> choose Packages page and shown package category> save changes