1p3a Experience · Jan 2026 · Los Angeles

Design a Billing System for 300M Subscribers

Interview Experience

Design a Billing System for 300M Subscribers This guide explains how to design a billing system for Netflix. The system needs to handle monthly payments for 300 million users. It must charge users o

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About This Question

This is a candidate experience report from a netflix interview for a swe role reported in 2025.

It covers the following topics: Sql, Rate Limiter, Api Design, System Design, Queue, Queue .

Difficulty rating: Easy