Thank you for interest in our product.
We kindly confirm that JobEngine theme works well with SSL.
It does not has any issue that you mentioned above (SSL enabled Google Recaptcha with no random ‘undefined’ or parsing errors during new user registration, sending emails). Please kindly visit our demo site (username/password: admindemo) to get more details about our product before you decide to purchase the theme.
If you have any other questions, we’d be happy to answer them!