Affirm·Software Engineer

Affirm Software Engineer interview experience

No offer

Easy

Negative

SpainPosted May 2026 · Candidate report, summarized by Dataford

My interview experience had an HR screening first, then a hiring manager screening.

After that, I went into two technical interviews with staff software engineers. The first one surprised me because I’d been told to prepare for data structures and algorithms, including some more advanced topics—so I spent time reviewing things like TreeMap and LinkedHashMap behaviors and ordering guarantees.

But what I actually got was much simpler: it was basically a HashMap-based task where I had to complete a straightforward method and track down a bug tied to ordering. The second technical interview was even more frustrating, because I’d also been guided to prepare for large-scale ETL,

Create a free Dataford account to unlock the full round-by-round breakdown, the questions asked and the outcome.

Read the full report Read the full report

Preparing for this interview?

Affirm Software Engineer interview guideThe full process, round by round, with the question bank Practice Software Engineer interview questionsReal questions from this role across companies All Affirm interview guidesEvery role we cover at this company