Staff-Level Cryptographer Interview Preparation Guide (FAANG Standards)
Cryptographer
Staff
7 rounds
Updated 11/23/2025
This guide is based on general FAANG interview practices and may not reflect specific company procedures.
FAANG companies conducting Staff-level Cryptographer interviews typically employ a rigorous multi-stage process designed to assess deep domain expertise, cryptographic research capabilities, algorithm design and analysis skills, implementation proficiency, and leadership in advancing cryptographic practices across the organization. The process emphasizes both theoretical mastery and practical problem-solving abilities in modern cryptography, including responses to emerging threats like quantum computing and evolving security standards.
Interview Rounds
1
Recruiter Screening
30 min3 focus topicsbehavioral
2
Technical Phone Screen - Cryptographic Fundamentals and Deep Theory
60 min5 focus topicstechnical
3
Technical Phone Screen - Cryptographic Protocol Analysis and Design
60 min5 focus topicstechnical
4
On-Site Technical Interview - Encryption Algorithm Design and Cryptanalysis
90 min4 focus topicstechnical
5
On-Site Technical Interview - Secure Systems Design and Integration
90 min5 focus topicssystem design
6
On-Site Technical Interview - Cryptographic Research and Strategic Vision
75 min5 focus topicstechnical
7
On-Site Behavioral and Leadership Interview
60 min4 focus topicsbehavioral
Additional Information