Technical Screen

Detecting Fraudulent Transactions Within 60 Minutes

BloombergSoftware Engineer · Technical Screen · May 2026

Coding Interview | Fraud Transactions I recently interviewed with a coding problem about fraudulent transactions, so I am recording it here. The problem roughly gave me a transaction list: I had to find the fraudulent transactions under two rules: A single transaction with an amount greater than $2,000 is immediately considered fraudulent. Transactions from the same account within 60 minutes are…

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