I applied online.
Two words: very just. It wasn't too demanding, although there were about four to five rounds, inclusive of a code review and take-home assignment. Personally, the take-home assignment was preferred over those LeetCode or HackerRank style assessments because the latter can feel very narrow and pointless, whereas for the take-home assignment, you're given a week to complete it along with more realistic requirements.
Some topics asked about were the Spark Dataset API, functional programming, and SQL operations.
The following metrics were computed from 19 interview experiences for the Quantexa Data Engineer role.
Quantexa's interview process for their Data Engineer roles is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Quantexa's Data Engineer interview process.