At my work we have a couple of different roles that get involved in each ticket, so we created custom fields in Jira to assign those roles. So each ticket gets

At my work we have a couple of different roles that get involved in each ticket, so we created custom fields in Jira to assign those roles. So each ticket gets a Primary Developer, Primary SME, etc, but might get assigned to some one else to do one small bit of work (e.g., it'll get assigned to a different developer for code review, but whoever's listed as the Primary Developer is still responsible for it).