I applied online. The process took 4 weeks. I interviewed at QuestDB (London, England) in Sept 2024
Interview
1 stage: HR
2nd stage: technical interview with two interviewers
3rd stage: speak with CEO
4th stage: they open a slack channel for you, invite you to join them in solving a technical problem
Interview questions [1]
Question 1
They ask you to solve a performance problem in their open-source QuestDB database.
