RejectedOnsite

Passed Two Case Rounds, Lost at the HM Round

AirwallexData Scientist · Senior+ · Onsite · Oct 2025

The whole loop was 5 rounds, and each round felt like beating a boss to level up. Round 1: SQL + case The SQL part was basically very similar to another post I've seen on the forum — there were some variations on the questions, but the topics were the same. After the SQL, there was a case. They gave me a credit card approval rate time series from Jan 2013 to Jan 2015. There was a dip in Feb 2013,…

Shared by a candidate · reported Oct 2025. Interview formats change; use it as a guide, not a script.