Mid-Level Software Engineer Interview Preparation Guide (FAANG Standards)
This guide is based on general FAANG interview practices and may not reflect specific company procedures.
Mid-level software engineers at FAANG companies typically undergo 5-6 comprehensive interview rounds spanning 4-8 weeks of preparation. The interview process systematically evaluates technical coding proficiency through multiple algorithmic rounds, system design thinking to assess growing architectural awareness, and behavioral assessment to evaluate ownership, collaboration, and leadership potential. Mid-level candidates are expected to demonstrate strong data structures and algorithms fundamentals, the ability to own and deliver projects end-to-end, cross-functional collaboration skills, and initial architectural thinking for scalable systems. Interviewers assess not just what you know, but how you think, communicate, and work with others—indicators of your trajectory toward senior roles.