The interview process consisted of six interviews, the recruiter, then the hiring manager, then loop (4 interviews). That's a similar pattern as a lot of companies but I'd give Marqeta props for making it more conversational but still with some of the typical questions mixed in to keep it a standardized process.

No surprises, they want you to be prepared and to be successful.

Describe the most interesting thing that you've built lately. (this was an outlier, most questions were very concise, this was more open ended)