SoFi logo

SoFi Interview Questions

22questions
HARDSystem Design
AI Prep

Design a Random Number Generation API

Cryptographically Secure Pseudo-Random NumEntropy Sources and Reseeding StrategiesMulti-Tenant Isolation and Side-Channel AtDistributed System Consistency and Idempot+1
OpenFree Preview
HARDSystem Design
AI Prep

Design a Real-Time Suggestions Service

Trie/Prefix Tree & Finite State TransducerDistributed CachingEventual Consistency & Data ReplicationRanking Algorithms & Personalization+1
OpenFree Preview