I was initially sent a rejection email about 2 weeks after applying and then a link to an online test 2 days after the rejection email. The test contained a mix of technical and behavioral questions. Six weeks after the test I got an email for the first Skype interview with the Head of Development, a very pleasant guy. The interview lasted 57 mins and I enjoyed talking with him. Three days after the first Skype interview I was invited for a second interview with two people (a Senior Software Engineer and an Engineering Manager) which initially wasn't very smooth because of connectivity issues. Six days after the second interview I was invited to a third Skype call by the Head of Development to discuss my salary expectations and to answer any question I may have and I received an offer two days after. The interviews were more like brainstorming sessions than actual interviews, the interviewers were really friendly and were always giving hints and tips and we had a lot of laughs. They all did ask an awful lot of database-related questions though.