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Afterpay Software Engineer — what’s left to do.

Set the hours you actually have. Tick off what you've already done. The score tells you where you stand, and the gap line tells you the one thing worth doing next.

Hours until your interviewT-minus 24 hours

2h48h

Readiness0%

Your biggest gap: Design one payments or fraud system end to end

24 hours out

Design one payments or fraud system end to endTake something like "flag suspicious orders in real time" from requirements through data flow to failure modes — this round is where the offer is usually decided.Get fluent with arrays, lists and maps againThe coding screen stays close to everyday data manipulation, so speed on the basics matters far more than exotic algorithms.

12 hours out

Pick one thing you owned end to endThe behavioural round assesses ownership and customer impact — a story where you carried something past the fun part, including the cleanup, is what they're listening for.Understand how buy-now-pay-later actually makes moneyMerchant fees, late fees and the regulatory pressure on both — it shapes every trade-off discussion you'll have in the design round.

4 hours out

Write three questions about the work itselfAsk what breaks most often, or how the team handles a payment incident — it signals you're picturing the job rather than the offer.

The final 2 hours

Clear the logistics off your plateCamera, mic, editor open, water within reach, phone silenced — small things, but discovering them at the start of the call costs you the first five minutes.

Say it out loud, once →

The other items you can finish by reading. This one you can't — 15 minutes. Practising against an interviewer who pushes back takes a free account, which is the next step here.

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