I applied through a recruiter. The process took 2 months.
Very quick interview - only one real technical round, one behavioral, and one leadership. No live coding to speak of, although you'll be expected to be very conversant in technical topics (distributed systems primarily).
Typical distributed stuff:
The following metrics were computed from 4 interview experiences for the Poolside Member of Engineering role.
Poolside's interview process for their Member of Engineering roles is very selective, failing most engineers who go through it.
Candidates reported having mixed feelings for Poolside's Member of Engineering interview process.