Applied through their website, first stage was a one way interview where you recorded yourself answering various questions. Then it was a technical challenge to build a "round-up" feature using their public API. After that it was a technical interview with two software engineers, talking about the challenge and then some more general technical questions. Not too much on previous experience, more of a focus on technical knowledge from university etc.

An initial screening one way video interview. Then a take home test, Then a technical interview, then a final interview. Technical interview consists of reviewing take home test and talking through it, and then answering system design and database questions.