Snapchat System Design Interview Questions
Practice the exact questions companies are asking right now.
Design backend for Uber-like ride-hailing service
Design the backend system for a ride-hailing platform similar to Uber. Focus on: - How ride requests are placed and matched with drivers ("order takin...
Design ride-hailing and price alert systems
During a system design interview, you are asked two related but separate questions: Part 1: Design a ride-hailing service (similar to Uber) Design the...
Design a streaming ads system
System Design: Ad-Insertion Platform for Live and On-Demand Video Context You are designing an end-to-end ad-insertion platform for a consumer video s...
Design product co-occurrence analytics API
Design RESTful APIs for Co‑Purchase Analytics Context You are designing backend APIs to power a "related products" module based on co‑purchase behavio...
Parallelize the lock BFS safely
Parallelizing BFS for the Rotating-Lock Problem Context You are given the classic rotating-lock problem (e.g., a 4-wheel lock from "0000" to a target ...