Describe a real-world machine learning problem you solved, including how you approached data preprocessing, model training, and how you integrated domain knowledge into your solution. There are lots of coummunication going on and demonstrate what will the process of solving the problem

Had a phone screen with a recruiter first, who was very friendly and helpful. She gave me a brief overview of the company, as well as the interview process. After that, I had a 1hr technical interview with a senior ML engineer, asking some LeetCode medium-hard questions. I didn't do well there and got a rejection letter a few days later.