Technical Screen

A Two-Part CSV Transaction Fee Coding Problem

StripeData Engineer · Technical Screen · Feb 2026

The screening interview started with the interviewer giving a very brief self-introduction, and then we went straight into the coding section. Part 1 was: given a CSV string of transactions, parse out each person's fee. Questions I asked the interviewer: What are the specific fee calculation rules for different transaction types and payment providers? For example, do payment transactions with car…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.