1. Technical round: Merge Intervals https://leetcode.com/problems/merge-intervals/

Virtual Onsite:
Round 1: https://leetcode.com/problems/word-ladder-ii/
Round 2: Design distributed online phone dictionary. Medium String/HashSet question.
Round 3: Encoding based question. Given array of string, find cipher matches.
e.g. tail -> lost are cipher matches.
t <-> l
a <-> o
i <-> s
t <-> l
Round 4: Standard Behavioral round with manager
Round 5: Bartender round with Senior TPM. Questions about REST API constraints, cookies, caching.

Overall good experience. I didn't get an offer, but was learning experience.