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How would you scale rule evaluation?

Last updated: Apr 22, 2026

Quick Overview

Design a scalable expense-policy rule engine for one million rules and thousand-record batches. Covers structured rules, predicate indexes, bitset evaluation, tenant sharding, versioned updates, and observability.

  • easy
  • Rippling
  • System Design
  • Software Engineer

How would you scale rule evaluation?

Company: Rippling

Role: Software Engineer

Category: System Design

Difficulty: easy

Interview Round: Technical Screen

Quick Answer: Design a scalable expense-policy rule engine for one million rules and thousand-record batches. Covers structured rules, predicate indexes, bitset evaluation, tenant sharding, versioned updates, and observability.

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|Home/System Design/Rippling

How would you scale rule evaluation?

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Rippling
Apr 17, 2025, 12:00 AM
easySoftware EngineerTechnical ScreenSystem Design
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