Data Science Interview

I came across a company’s interview process. Here’s my experience. They are hiring for Lead Data Scientist. As I asked the process they mentioned have a 5 step process. 1. DSA and Data Science Fundamentals 2. System Design 3. Data Science & LLM Round 4. Managerial Round 5. HR round Why is DSA required for this role? Also what kind of questions you came across? And what is your experience? Note: Don’t ask for Company Name