You first have to get through their HackerRank questions. I would recommend practicing these on HackerRank first to get a good feel for the questions.
I was recommended to use Java because the company uses Java. However, I would recommend that if you know Python, go with that. It simply causes fewer syntax issues and will give you those extra few minutes to work on the problems.
You need to get 2 out of 5 questions correct. Unfortunately, I got 1.5 and ran out of time to click submit on my third question, so don't do that!
Converting input numbers to Roman numerals.
An algebraic question that required knowing how to read from STDIN and output to STDOUT.
The following metrics were computed from 1 interview experience for the Atlassian Software Developer role in New Zealand.
Atlassian's interview process for their Software Developer roles in New Zealand is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Atlassian's Software Developer interview process in New Zealand.