RejectedOnsite

Five Rounds, Rejected After the HM Round

AirwallexStaff Data Scientist · Senior+ · Onsite · Oct 2025

The whole loop was five rounds, and every round felt like leveling up to fight a bigger boss. Round 1: SQL + case The SQL was basically similar to a post I'd seen before — there were some variations in the questions, but the type of question was the same. After the SQL there was a case. The case gives you a credit card approval rate time series from Jan 2013 to Jan 2015. There's a dip in Feb 2013…

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