Meta Software Development Engineer interview questions

Recruiter reached out to get updated resume, interview process was relative straight forward: Phone screen, 1 hour coding challenge, then onsite with 3 sessions on various topics within the same day

It was a 30 minute phone interview. First the interviewer asked about your background, experience on the resume. Then he asked you to start the coding exercise on codesignal right away. It was a classic hard level leetcode. problem.