Template (Epic) Cloner for JIRA Cloud plugin is intended for any projects where recurring issues exist.
The plugin saves teams' precious time by automated issues creation process.
Template (Epic) Cloner for JIRA Cloud let you clone Epic together with any linked issues and sub-tasks.
As a result you are getting new Epic and new linked issues similar to your template.
Look at the picture below - having one template you can easly create necessary tasks in your backlog(s).
Template (Epic) Cloner for JIRA Cloud is available on Atlassian Marketplace under this link.
Installation details you can find here.
Please remember that you can try trial version to check how it works.
If you are planning JIRA migration from Server or Data Center to the Cloud, please read documentation carefully for differences