The interview process is standard.
1st round: a standard technical interview.
The final round: three more technical rounds (45 minutes each) with standard DSA. Difficulty is ~LeetCode Hard.
Final Round: Manager Chat with Prospective Teams.
Word Ladder and Sudoku among other Leetcode Hards
The following metrics were computed from 30 interview experiences for the Citadel SWE Intern role in United States.
Citadel's interview process for their SWE Intern roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Citadel's SWE Intern interview process in United States.