Online-class Employment Contract

We are looking for to draft the employee contract for Indian presently residing in Japan, the employee is willing to join in our organization, but due to international flight restrictions, the candidate is willing to do online classes until she physically joins in our school. Regards to this we need an employment contract to hold the candidate after participating in online classes once she returns back to India, she as joins in our organization for that we need a valid employment contract, we request to suggest in this regard.