Technical · Difficulty 4/5

Webhooks vs polling design

A PM interview practice question for SENIOR, STAFF, PM-T candidates.

The prompt

Partners want real-time updates on events in your platform. Walk through the trade-offs of webhooks, long-polling, and server-sent events, and pick a design.

Concepts this question tests

How to practice it in PrepOS

PrepOS's adaptive queue surfaces this question when you calibrate to a matching target level and your weakest concepts overlap with what it tests. Open the practice simulator and select the round type to start a rep with this prompt.

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Round: Technical
Target levels: SENIOR, STAFF, PM-T
Source: original · Reviewed by PrepOS seed