It took nearly 50 minutes for the first round. I was interviewed by someone who didn't actually work on the team I was interviewing for; he mentioned he was helping because the primary interviewer was busy. I presented my experience and projects from the past 10 years, but the interviewer seemed uninterested and moved to the coding test in a hurry.

I completed the interview with a coding test on my own IDE and shared my screen with the interviewer to discuss it. The problem was perhaps LeetCode medium level. I didn't initially find the best approach but started with a brute-force method. Then, I discussed it with the interviewer and arrived at the solution.

Describe the basis of React Native.

What is the structure of a Mach-O file for iOS? How can you reduce an app's size in this aspect?