Web Crawler BFS Screen, Twitter Design Onsite, Rejected

This is a small company in SF that does phone-sales tech (cold-calling/telemarketing technology). Phone screen: a BFS problem dressed up as a Web Crawler question. Follow-up: the BFS needs to make API calls — how do you avoid bottlenecks, DDOS attacks, and so on. Onsite: Live debugging: build a full-stack app for a "YouTube Party." This one was kind of fun — the problem is posted publicly on Gite…

Shared by a candidate · reported Feb 2026. Interview formats change; use it as a guide, not a script.