One screening call by an outsourced HR rep consisting of standard HR questions, followed by a call (one week later) with the head of EMEA at that time. The second interview focused on my resume, with a focus on what I had learned in my previous jobs and education.

Lengthy process. Final round involved 3 or 4 parts including a test. You have to know Stripe documentation well in order to answer questions. Made it through entire process with good feedback at every step. Had multiple referrals/references from current employees and ultimately got turned down without explanation