InterviewStack.io LogoInterviewStack.io

SDET Interview Preparation Guide - Junior Level (FAANG Standards)

Software Development Engineer in Test (SDET)
Junior
5 rounds
Updated 11/23/2025

This guide is based on general FAANG interview practices and may not reflect specific company procedures.

The SDET interview process for junior-level candidates typically consists of 5 comprehensive rounds designed to evaluate coding fundamentals, test automation expertise, framework design thinking, and cultural alignment. Early rounds focus on coding proficiency and testing fundamentals through phone/video interviews. On-site or virtual loops include multiple technical rounds emphasizing practical automation framework design and a behavioral interview assessing teamwork and growth mindset. The entire process evaluates not just technical execution but also problem-solving approach, communication clarity, and fit with the organization's engineering culture.

Interview Rounds

1

Recruiter Screen

2

Technical Phone Screen

3

On-Site/Virtual Technical Interview - Coding Round

4

On-Site/Virtual Technical Interview - Test Automation and Framework Design

5

Behavioral and Cultural Fit Interview

Additional Information

Want to create your own tailored preparation guide using our deep research?

Get Started for Free
SDET Interview Preparation Guide - Junior Level (FAANG Standards) | InterviewStack.io | InterviewStack.io