1p3a Experience · Jan 2026

Design an Ad Event Aggregator

Interview Experience

Design a System to Aggregate Ad Events ### Problem Overview An Ad Event Aggregator gathers a huge amount of ad data. This includes events like impressions, clicks, and app installs. The system adds

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About This Question

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

It covers the following topics: System Design, System Design, Sql .