Senior Fullstack Developer Interview Preparation Guide - FAANG Standards
Full-Stack Developer
Senior
8 rounds
Updated 11/23/2025
This guide is based on general FAANG interview practices and may not reflect specific company procedures.
Senior Fullstack Developer positions at FAANG companies typically involve 7-8 rounds spanning 4-6 weeks. The process assesses technical depth across frontend and backend systems, system design and architectural thinking, full-stack problem-solving, leadership capabilities, and cultural fit. Senior candidates are evaluated on their ability to own large features end-to-end, mentor junior engineers, drive architectural decisions, and communicate complex technical concepts clearly.
Interview Rounds
1
Recruiter Screening Call
30 min4 focus topicsbehavioral
2
Technical Phone Screen - Full-Stack Coding
60 min4 focus topicstechnical
3
System Design Round 1 - Core Architecture
60 min6 focus topicssystem design
4
Backend and API Design Interview
60 min6 focus topicstechnical
5
Frontend and Full-Stack Integration Interview
60 min6 focus topicstechnical
6
System Design Round 2 - Advanced Architecture
60 min5 focus topicssystem design
7
Behavioral and Leadership Interview
60 min6 focus topicsbehavioral
8
Hiring Manager Round - Role and Team Fit
60 min4 focus topicsbehavioral
Additional Information