Interview Experiences

Real candidates, real loops: every round, what was asked, and how it ended.

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6 stories

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AirwallexData Scientist
Aug 2026

SQL Metrics and a KYC Conversion Case

I recently interviewed for a Data Scientist role at Airwallex and wanted to contribute my interview experience. Overall, it was SQL plus a case study. The questions themselves were not especially hard, but the pace was fairly fast, and the case placed more weight on product sense and analytical thinking. First part: SQL They gave me three tables, roughly sessions, signup, and merchant. I remember…

Technical Screen0
AirwallexSoftware Engineer
Aug 2026

A Sunday Night System Design Screen Where the Interviewer Just Went Silent

This is an Australian payments company. Their dev team is mainly based in Singapore. When HR reached out, they picked a really late time slot to schedule things. Then for the phone screen, they booked me in for the system design round on Sunday night at 9pm. HR told me they use Whimsical for the whiteboard. But then it turned out the interviewer's team doesn't actually have a fixed whiteboard too…

Technical Screen0
AirwallexSoftware Engineer
Reported Aug 2026

Airwallex Software Engineer Interview Experience: HR discussed a second role before rejecting both

My process with Airwallex was straightforward until the HR call. The HR interviewer asked about my background and said that, based on what I shared, another role might suit the team better. We discussed that opportunity and went back and forth enough that it felt as though things were moving. Then it ended quickly. I received a rejection email saying I was not selected for either role we had disc…

RejectedHR Screen0
AirwallexSoftware Engineer
Reported Aug 2026

Airwallex Software Engineer Interview Experience: CTO rejection after full loop

I completed the full Software Engineer loop, which ended with the CTO. After the recruiter conversation, I had live coding, system design, and behavioral rounds. They were standard and aligned with the role. The CTO round did not feel like a fresh evaluation. He repeated many of the questions that had come up earlier with a senior director in the behavioral discussion. Along with lower-level tech…

RejectedHR Screen0
AirwallexData ScientistSenior+
Oct 2025

Passed Two Case Rounds, Lost at the HM Round

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,…

RejectedOnsite0
AirwallexStaff Data ScientistSenior+
Oct 2025

Five Rounds, Rejected After the HM Round

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…

RejectedOnsite0

What are interview experiences?

An interview experience is a candidate's own account of a hiring loop — not a question bank entry. It tells you the shape of the process: how many rounds there were, what each round actually tested, how long the gaps between them ran, and what the recruiter said at the end. That context is the part a question list cannot give you.

How to read them

Weight recent write-ups more heavily — interview loops change, often within a year. Read several for the same company and role rather than one: a single account tells you what one interviewer asked, while five tell you what the bar is. Note the outcome badge too, since a rejection write-up usually explains the gap far more precisely than an offer one.

Share your own

Every published experience earns 50 XP, and each of the first 3 likes it receives in a day earns you 10 XP more. Likes must come from established accounts; like-for-like swaps and likes from your own second account are not paid. Write it while the details are fresh — the round order, the exact prompts, and how much time you were given are what the next reader needs.

Share your experience to earn XP