Estimation
Estimation of tasks are done using planning poker via the online tool https://scrumpoker.online
(see https://www.atlassian.com/blog/platform/a-brief-overview-of-planning-poker for more info on planning poker)Story point model used in planning poker:
1, 2, 3, 5, 8, 13, 20, 40, ?
Story point estimates are noted on each Jira issue (including sub-tasks)