Recruiter screens usually hit: time/space complexity of common operations, why O(log n) beats O(n), array vs hash map vs linked list tradeoffs, and Big-O of sorting. Want me to drill you on these?

Phone call with a recruiter discussing SpaceX, its goals, my resume, professional experience, interest in the role, availability to work overtime, and ability to handle additional responsibilities when needed for the position.

Recruiting Call -> Several rounds of technical interview: very fundamental questions that probe your conceptual understanding. Make sure to study / review first principles as it gets theorectical. Quick 30 minute phone calls