It seems they are not actually hiring for this position, but rather building a pool of candidates for "future opportunities", so the process felt somewhat misleading, as they continue to post the job listing again and again. Don't waste your time applying here.
Interview questions [1]
Question 1
What do you know about the company, past experience, etc.
We’re deeply sorry to hear of your negative experience within our recruitment process. Here at Brainrider we do our very best to try and ensure each candidate has a positive experience and is left feeling valued and seen. We are currently navigating a shift to a more proactive recruitment approach and hope this doesn’t affect your future interest in Brainrider opportunities.