The CodeSignal online assessment essentially involved 3-4 LeetCode hard questions. It took some practice to get through it, but I would recommend practicing with LeetCode before taking the CodeSignal online assessment.
Leetcode questions of hard difficulty
The following metrics were computed from 2 interview experiences for the Databricks Software Intern role in United States.
Databricks's interview process for their Software Intern roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for Databricks's Software Intern interview process in United States.