Meta Senior Software Engineer (E5) Interview Preparation Guide

Meta's Senior Software Engineer (E5) interview process is a rigorous, multi-stage evaluation designed to assess technical depth, system design expertise, and cultural fit. The process spans 4-8 weeks and includes an initial recruiter screening, a technical phone screen with coding challenges, and a 4-5 round onsite (virtual) loop covering advanced coding problems, system or product architecture design, and behavioral assessment. Each onsite round is 45 minutes with different interviewers from the Meta engineering team.