Technical Screen

In-Memory Banking OA, Then a Surprise LLM Classifier Screen

AnthropicSoftware Engineer · Technical Screen · Sep 2025

After mass-applying online, HR reached out really fast — they basically sent the OA in the second week. The OA was pretty simple: design an in-memory banking system, four levels total. There's discussion of this question all over the forum. The first level was designing three functions: add account, pay, and deposit. The logic was simple — just define a dict to track accounts and balances. The se…

Shared by a candidate · reported Sep 2025. Interview formats change; use it as a guide, not a script.