I applied online. The process took 5 days. I interviewed at RoosterMoney (London, England) in June 2018
Interview
Straight forward - initial chat, technical test, post-technical test review.
Sounds like an awesome product, and I really liked the guys, but sadly the budget didn't match. They are using a solid tech stack, and building something that is extremely important for children to appreciate the value of money and the importance of good financial wellbeing.