RejectedTechnical Screen

Spreadsheet Coding Round, Rejected for Weak System Design

CitadelSoftware Engineer · Technical Screen · Aug 2026

Sharing my recent first technical round for an experienced-hire role on Treasury Engineering at the Citadel hedge fund. It was in Python and lasted about an hour. For the first 15 minutes or so we talked about my background. They asked whether I prefer research or engineering, what I like most and least about my current job from a technical point of view, and whether I take part in production sup…

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