The OA screen and first round weren't too bad, but the final round (before team matching) is a lot harder. Questions can be asked about pretty much any topic. I had some on Bit Manipulation, Statistics, and SQL.
Bit Manipulation, Statistics, and SQL
The following metrics were computed from 5 interview experiences for the Citadel SWE Intern role in New York, New York.
Citadel's interview process for their SWE Intern roles in New York, New York is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Citadel's SWE Intern interview process in New York, New York.