Write JIRA automation rule for date changes

Job ID: 35461661

Budget: $30 – $250 AUD

I am looking for someone who can write a JIRA automation rule for changes in amount of time.

We would like a rule that when the due date of an issue changes - then the due date and start date of related issues (in the same Epic), change by the same amount of time as the initial trigger issue.

Screenshot of current rule that isn't working for start dates below.
Related categories: Atlassian Confluence Atlassian Jira